21 files changed, 4766 insertions, 0 deletions
diff --git a/testsuite/sanei/Makefile.am b/testsuite/sanei/Makefile.am
new file mode 100644
index 0000000..74cde52
--- /dev/null
+++ b/testsuite/sanei/Makefile.am
@@ -0,0 +1,43 @@
+##  Makefile.am -- an automake template for Makefile.in file
+##  Copyright (C) 2013 Stéphane Voltz and Sane Developers.
+##
+##  This file is part of the "Sane" build infra-structure.  See
+##  included LICENSE file for license information.
+
+EXTRA_DIST = data/boolean.conf data/empty.conf data/fixed.conf data/int.conf \
+	     data/snapscan.conf data/string.conf data/string-list.conf \
+	     data/umax_pp.conf data/word-array.conf data/wrong-boolean.conf \
+	     data/wrong-fixed.conf data/wrong-range.conf \
+	     data/wrong-string-list.conf
+
+MATH_LIB = @MATH_LIB@
+USB_LIBS = @USB_LIBS@
+PTHREAD_LIBS = @PTHREAD_LIBS@
+TEST_LDADD = ../../sanei/libsanei.la ../../lib/liblib.la ../../lib/libfelib.la $(MATH_LIB) $(USB_LIBS) $(PTHREAD_LIBS)
+
+check_PROGRAMS = sanei_usb_test test_wire sanei_check_test sanei_config_test sanei_constrain_test
+TESTS = $(check_PROGRAMS)
+
+AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_builddir)/include -I$(top_srcdir)/include
+
+sanei_constrain_test_SOURCES = sanei_constrain_test.c
+sanei_constrain_test_LDADD = $(TEST_LDADD)
+
+sanei_config_test_SOURCES = sanei_config_test.c
+sanei_config_test_CPPFLAGS = $(AM_CPPFLAGS) -DTESTSUITE_SANEI_SRCDIR=$(srcdir)
+sanei_config_test_LDADD = $(TEST_LDADD)
+
+sanei_check_test_SOURCES = sanei_check_test.c
+sanei_check_test_LDADD = $(TEST_LDADD)
+
+sanei_usb_test_SOURCES = sanei_usb_test.c
+sanei_usb_test_LDADD = $(TEST_LDADD)
+
+test_wire_SOURCES = test_wire.c
+test_wire_LDADD = $(TEST_LDADD)
+
+clean-local:
+	rm -f test_wire.out
+
+all:
+	@echo "run 'make check' to run tests"
diff --git a/testsuite/sanei/Makefile.in b/testsuite/sanei/Makefile.in
new file mode 100644
index 0000000..af6761f
--- /dev/null
+++ b/testsuite/sanei/Makefile.in
@@ -0,0 +1,1108 @@
+# Makefile.in generated by automake 1.13.4 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
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+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
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+  if $(am__is_gnu_make); then \
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+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
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+	sanei_check_test$(EXEEXT) sanei_config_test$(EXEEXT) \
+	sanei_constrain_test$(EXEEXT)
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+INCLUDES = @INCLUDES@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_LOCKPATH = @INSTALL_LOCKPATH@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+JPEG_LIBS = @JPEG_LIBS@
+LATEX = @LATEX@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBUSB_1_0_CFLAGS = @LIBUSB_1_0_CFLAGS@
+LIBUSB_1_0_LIBS = @LIBUSB_1_0_LIBS@
+LIBV4L_CFLAGS = @LIBV4L_CFLAGS@
+LIBV4L_LIBS = @LIBV4L_LIBS@
+LINKER_RPATH = @LINKER_RPATH@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LOCKPATH_GROUP = @LOCKPATH_GROUP@
+LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
+MAKEINDEX = @MAKEINDEX@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MATH_LIB = @MATH_LIB@
+MKDIR_P = @MKDIR_P@
+MSGFMT = @MSGFMT@
+MSGMERGE = @MSGMERGE@
+NM = @NM@
+NMEDIT = @NMEDIT@
+NUMBER_VERSION = @NUMBER_VERSION@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PRELOADABLE_BACKENDS = @PRELOADABLE_BACKENDS@
+PRELOADABLE_BACKENDS_ENABLED = @PRELOADABLE_BACKENDS_ENABLED@
+PTHREAD_LIBS = @PTHREAD_LIBS@
+RANLIB = @RANLIB@
+RESMGR_LIBS = @RESMGR_LIBS@
+SANEI_SANEI_JPEG_LO = @SANEI_SANEI_JPEG_LO@
+SANE_CONFIG_PATH = @SANE_CONFIG_PATH@
+SCSI_LIBS = @SCSI_LIBS@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SNMP_CONFIG_PATH = @SNMP_CONFIG_PATH@
+SOCKET_LIBS = @SOCKET_LIBS@
+STRICT_LDFLAGS = @STRICT_LDFLAGS@
+STRIP = @STRIP@
+SYSLOG_LIBS = @SYSLOG_LIBS@
+SYSTEMD_LIBS = @SYSTEMD_LIBS@
+TIFF_LIBS = @TIFF_LIBS@
+USB_LIBS = @USB_LIBS@
+VERSION = @VERSION@
+V_MAJOR = @V_MAJOR@
+V_MINOR = @V_MINOR@
+V_REV = @V_REV@
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+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
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+build_vendor = @build_vendor@
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+configdir = @configdir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+effective_target = @effective_target@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
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+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+EXTRA_DIST = data/boolean.conf data/empty.conf data/fixed.conf data/int.conf \
+	     data/snapscan.conf data/string.conf data/string-list.conf \
+	     data/umax_pp.conf data/word-array.conf data/wrong-boolean.conf \
+	     data/wrong-fixed.conf data/wrong-range.conf \
+	     data/wrong-string-list.conf
+
+TEST_LDADD = ../../sanei/libsanei.la ../../lib/liblib.la ../../lib/libfelib.la $(MATH_LIB) $(USB_LIBS) $(PTHREAD_LIBS)
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+test_wire_LDADD = $(TEST_LDADD)
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+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
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+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu testsuite/sanei/Makefile
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+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
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+	@rm -f sanei_check_test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sanei_check_test_OBJECTS) $(sanei_check_test_LDADD) $(LIBS)
+
+sanei_config_test$(EXEEXT): $(sanei_config_test_OBJECTS) $(sanei_config_test_DEPENDENCIES) $(EXTRA_sanei_config_test_DEPENDENCIES) 
+	@rm -f sanei_config_test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sanei_config_test_OBJECTS) $(sanei_config_test_LDADD) $(LIBS)
+
+sanei_constrain_test$(EXEEXT): $(sanei_constrain_test_OBJECTS) $(sanei_constrain_test_DEPENDENCIES) $(EXTRA_sanei_constrain_test_DEPENDENCIES) 
+	@rm -f sanei_constrain_test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sanei_constrain_test_OBJECTS) $(sanei_constrain_test_LDADD) $(LIBS)
+
+sanei_usb_test$(EXEEXT): $(sanei_usb_test_OBJECTS) $(sanei_usb_test_DEPENDENCIES) $(EXTRA_sanei_usb_test_DEPENDENCIES) 
+	@rm -f sanei_usb_test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sanei_usb_test_OBJECTS) $(sanei_usb_test_LDADD) $(LIBS)
+
+test_wire$(EXEEXT): $(test_wire_OBJECTS) $(test_wire_DEPENDENCIES) $(EXTRA_test_wire_DEPENDENCIES) 
+	@rm -f test_wire$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_wire_OBJECTS) $(test_wire_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
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+distclean-compile:
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
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+	$(am__define_uniq_tagged_files); \
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+	  if test $$# -gt 0; then \
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+	$(am__define_uniq_tagged_files); \
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+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+# Recover from deleted '.trs' file; this should ensure that
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+# both 'foo.log' and 'foo.trs'.  Break the recipe in two subshells
+# to avoid problems with "make -n".
+.log.trs:
+	rm -f $< $@
+	$(MAKE) $(AM_MAKEFLAGS) $<
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+	            done`; \
+	if test -n "$$redo_bases"; then \
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+	  if $(am__make_dryrun); then :; else \
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+	if $(am__make_dryrun); then :; else \
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+	    test -f $$i.log && test -r $$i.log \
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+	    echo "$${color_start}# $$desc $$count$${color_end}"; \
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+	create_testsuite_report () \
+	{ \
+	  result_count $$1 "TOTAL:" $$all   "$$brg"; \
+	  result_count $$1 "PASS: " $$pass  "$$grn"; \
+	  result_count $$1 "SKIP: " $$skip  "$$blu"; \
+	  result_count $$1 "XFAIL:" $$xfail "$$lgn"; \
+	  result_count $$1 "FAIL: " $$fail  "$$red"; \
+	  result_count $$1 "XPASS:" $$xpass "$$red"; \
+	  result_count $$1 "ERROR:" $$error "$$mgn"; \
+	}; \
+	{								\
+	  echo "$(PACKAGE_STRING): $(subdir)/$(TEST_SUITE_LOG)" |	\
+	    $(am__rst_title);						\
+	  create_testsuite_report --no-color;				\
+	  echo;								\
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+	  for b in $$bases; do echo $$b; done				\
+	    | $(am__create_global_log);					\
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+	mv $(TEST_SUITE_LOG).tmp $(TEST_SUITE_LOG);			\
+	if $$success; then						\
+	  col="$$grn";							\
+	 else								\
+	  col="$$red";							\
+	  test x"$$VERBOSE" = x || cat $(TEST_SUITE_LOG);		\
+	fi;								\
+	echo "$${col}$$br$${std}"; 					\
+	echo "$${col}Testsuite summary for $(PACKAGE_STRING)$${std}";	\
+	echo "$${col}$$br$${std}"; 					\
+	create_testsuite_report --maybe-color;				\
+	echo "$$col$$br$$std";						\
+	if $$success; then :; else					\
+	  echo "$${col}See $(subdir)/$(TEST_SUITE_LOG)$${std}";		\
+	  if test -n "$(PACKAGE_BUGREPORT)"; then			\
+	    echo "$${col}Please report to $(PACKAGE_BUGREPORT)$${std}";	\
+	  fi;								\
+	  echo "$$col$$br$$std";					\
+	fi;								\
+	$$success || exit 1
+
+check-TESTS:
+	@list='$(RECHECK_LOGS)';           test -z "$$list" || rm -f $$list
+	@list='$(RECHECK_LOGS:.log=.trs)'; test -z "$$list" || rm -f $$list
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	trs_list=`for i in $$bases; do echo $$i.trs; done`; \
+	log_list=`echo $$log_list`; trs_list=`echo $$trs_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) TEST_LOGS="$$log_list"; \
+	exit $$?;
+recheck: all $(check_PROGRAMS)
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	bases=`for i in $$bases; do echo $$i; done \
+	         | $(am__list_recheck_tests)` || exit 1; \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	log_list=`echo $$log_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) \
+	        am__force_recheck=am--force-recheck \
+	        TEST_LOGS="$$log_list"; \
+	exit $$?
+sanei_usb_test.log: sanei_usb_test$(EXEEXT)
+	@p='sanei_usb_test$(EXEEXT)'; \
+	b='sanei_usb_test'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_wire.log: test_wire$(EXEEXT)
+	@p='test_wire$(EXEEXT)'; \
+	b='test_wire'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+sanei_check_test.log: sanei_check_test$(EXEEXT)
+	@p='sanei_check_test$(EXEEXT)'; \
+	b='sanei_check_test'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+sanei_config_test.log: sanei_config_test$(EXEEXT)
+	@p='sanei_config_test$(EXEEXT)'; \
+	b='sanei_config_test'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+sanei_constrain_test.log: sanei_constrain_test$(EXEEXT)
+	@p='sanei_constrain_test$(EXEEXT)'; \
+	b='sanei_constrain_test'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+.test.log:
+	@p='$<'; \
+	$(am__set_b); \
+	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+@am__EXEEXT_TRUE@.test$(EXEEXT).log:
+@am__EXEEXT_TRUE@	@p='$<'; \
+@am__EXEEXT_TRUE@	$(am__set_b); \
+@am__EXEEXT_TRUE@	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+@am__EXEEXT_TRUE@	--log-file $$b.log --trs-file $$b.trs \
+@am__EXEEXT_TRUE@	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+@am__EXEEXT_TRUE@	"$$tst" $(AM_TESTS_FD_REDIRECT)
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool clean-local \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libtool clean-local \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	recheck tags tags-am uninstall uninstall-am
+
+
+clean-local:
+	rm -f test_wire.out
+
+all:
+	@echo "run 'make check' to run tests"
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/testsuite/sanei/README b/testsuite/sanei/README
new file mode 100644
index 0000000..247d191
--- /dev/null
+++ b/testsuite/sanei/README
@@ -0,0 +1,40 @@
+SANEI test suite
+================
+
+This directory contains test programs for sanei functions. They are compiled
+and run by 'make check'.
+
+sanei_usb_test
+---------------
+	 Tests sanei_usb_* functions. No USB scanner needs to be plugged,
+but in this case less code is covered (open/close and claim/release 
+of real devices).
+Function currently tested are:
+	- sanei_usb_init()
+	- sanei_usb_open(): valid, invalid devname, already opened
+	- sanei_usb_get_vendor_product_byname(): valid and invalid devname
+	- sanei_usb_get_vendor_product(): valid and invalid devname
+	- sanei_usb_close()
+	- sanei_usb_exit()
+	- store_device()
+
+
+sanei_constrain_test
+--------------------
+	Tests for sanei_constrain_* functions
+Function currently tested are:
+	- sanei_constrain_value()
+
+
+sanei_check_test
+----------------
+	Tests for sanei_check_* functions
+Function currently tested are:
+	- sanei_check_value()
+
+
+sanei_config_test
+-----------------
+	Tests for sanei_configure_* functions
+Function currently tested are:
+	- sanei_configure_attach()
diff --git a/testsuite/sanei/data/boolean.conf b/testsuite/sanei/data/boolean.conf
new file mode 100644
index 0000000..f71c0be
--- /dev/null
+++ b/testsuite/sanei/data/boolean.conf
@@ -0,0 +1,6 @@
+# true boolean value
+option booltrue true
+# false boolean value
+boolfalse false
+# boolean array
+option boolarray false true false
diff --git a/testsuite/sanei/data/empty.conf b/testsuite/sanei/data/empty.conf
new file mode 100644
index 0000000..f26ad08
--- /dev/null
+++ b/testsuite/sanei/data/empty.conf
@@ -0,0 +1 @@
+attach devname
diff --git a/testsuite/sanei/data/fixed.conf b/testsuite/sanei/data/fixed.conf
new file mode 100644
index 0000000..db8dc01
--- /dev/null
+++ b/testsuite/sanei/data/fixed.conf
@@ -0,0 +1,6 @@
+# FIXED type options
+option height 29.7
+some device
+option array-of-fixed 2.0 2.1 2.2 2.3 2.4 2.5 2.6
+another device
+option width 21.0
diff --git a/testsuite/sanei/data/int.conf b/testsuite/sanei/data/int.conf
new file mode 100644
index 0000000..da6738c
--- /dev/null
+++ b/testsuite/sanei/data/int.conf
@@ -0,0 +1,2 @@
+option modelnumber 1234
+attach devname
diff --git a/testsuite/sanei/data/snapscan.conf b/testsuite/sanei/data/snapscan.conf
new file mode 100644
index 0000000..b244e3a
--- /dev/null
+++ b/testsuite/sanei/data/snapscan.conf
@@ -0,0 +1,115 @@
+#------------------------------ General -----------------------------------
+
+# Change to the fully qualified filename of your firmware file, if
+# firmware upload is needed by the scanner
+firmware /usr/share/sane/snapscan/your-firmwarefile.bin
+
+# If not automatically found you may manually specify a device name.
+
+# For USB scanners also specify bus=usb, e.g.
+# /dev/usb/scanner0 bus=usb
+
+# For SCSI scanners specify the generic device, e.g. /dev/sg0 on Linux.
+# /dev/sg0
+
+#---------------------------------------------------------------------------
+# No changes should be necessary below this line
+#---------------------------------------------------------------------------
+
+#-------------------------- SCSI scanners ----------------------------------
+# These SCSI devices will be probed automatically
+scsi AGFA * Scanner
+scsi COLOR * Scanner
+scsi Color * Scanner
+scsi ACERPERI * Scanner
+
+#--------------------------- USB scanners -----------------------------------
+# These USB devices will be probed automatically
+# (This will currently work only on Linux)
+
+# Benq/Acer/Vuego 310U
+usb 0x04a5 0x1a20
+usb 0x04a5 0x1a26
+
+# Benq/Acer/Vuego 320U
+usb 0x04a5 0x2022
+
+# Benq/Acer/Vuego 620U / 620UT
+usb 0x04a5 0x1a2a
+usb 0x04a5 0x2040
+
+# Benq/Acer/Vuego 640U
+usb 0x04a5 0x2060
+
+# Benq/Acer/Vuego 640BU
+usb 0x04a5 0x207e
+
+# Benq/Acer/Vuego 640BT
+usb 0x04a5 0x20be
+
+# Benq/Acer/Vuego 1240U
+usb 0x04a5 0x20c0
+
+# Benq/Acer/Vuego 3300 / 4300
+usb 0x04a5 0x20b0
+
+# Benq/Acer/Vuego 4300
+usb 0x04a5 0x20de
+
+# Benq 5000E / 5000U
+usb 0x04a5 0x20f8
+
+# Benq 5000
+usb 0x04a5 0x20fc
+
+# Benq/Acer 5300
+usb 0x04a5 0x20fe
+
+# Benq 5250C
+usb 0x04a5 0x2137
+
+# Agfa 1236U
+usb 0x06bd 0x0002
+
+# Agfa 1212U
+usb 0x06bd 0x0001
+usb 0x06bd 0x2061
+
+# Agfa Snapscan e10
+usb 0x06bd 0x2093
+
+# Agfa Snapscan e20
+usb 0x06bd 0x2091
+
+# Agfa Snapscan e25
+usb 0x06bd 0x2095
+
+# Agfa Snapscan e26
+usb 0x06bd 0x2097
+
+# Agfa Snapscan e40
+usb 0x06bd 0x208d
+
+# Agfa Snapscan e42
+usb 0x06bd 0x20ff
+
+# Agfa Snapscan e50
+usb 0x06bd 0x208f
+
+# Agfa Snapscan e52
+usb 0x06bd 0x20fd
+
+# Epson Perfection 660
+usb 0x04b8 0x0114
+
+# Epson Perfection 1670
+usb 0x04b8 0x011f
+
+# Epson Perfection 2480
+usb 0x04b8 0x0121
+
+# Epson Perfection 3490
+usb 0x04b8 0x0122
+
+# Epson Stylus CX-1500
+usb 0x04b8 0x080c
diff --git a/testsuite/sanei/data/string-list.conf b/testsuite/sanei/data/string-list.conf
new file mode 100644
index 0000000..ffd9b57
--- /dev/null
+++ b/testsuite/sanei/data/string-list.conf
@@ -0,0 +1,3 @@
+# one choice from string1, string2, string3 and string4
+option string-choice "string3"
+attach devname
diff --git a/testsuite/sanei/data/string.conf b/testsuite/sanei/data/string.conf
new file mode 100644
index 0000000..eb3a1cb
--- /dev/null
+++ b/testsuite/sanei/data/string.conf
@@ -0,0 +1,3 @@
+option modelname "my model"
+vendor "my vendor"
+attach devname
diff --git a/testsuite/sanei/data/umax_pp.conf b/testsuite/sanei/data/umax_pp.conf
new file mode 100644
index 0000000..69cc47d
--- /dev/null
+++ b/testsuite/sanei/data/umax_pp.conf
@@ -0,0 +1,64 @@
+# For documentation see sane-umax_pp(5)
+
+# GLOBAL #
+
+# size (in bytes) of scan buffer (default: 2 megabyte)
+option buffer 1048576
+
+
+# DEVICES #
+
+# specify the port your scanner is connected to. 
+#
+# the value 'auto' will make the backend find the correct value
+# by itself, it will scan  ppdev, ppi device, then hardware address
+# 'safe-auto' will do the same but won't do direct hardware access
+# on linux systems, you may provide the device name of the ppdev character 
+# device : /dev/parport0, /dev/parport1, ......
+#
+# on *BSD, you may provide the device name of the ppi device: /dev/ppi0,
+# /dev/ppi1, ...
+#
+# Possible hardware addresses are 0x378 (lp0)
+# 0x278 (lp2) and 0x3c8 (lp1)
+#
+
+port safe-auto
+
+# the following options are local to this scanner
+# gain for red channel, if not given, will be automatically computed
+# must be between 0 and 15
+option red-gain 1
+
+# gain for green channel, if not given, will be automatically computed
+# must be between 0 and 15
+option green-gain 2
+
+# gain for blue channel, if not given, will be automatically computed
+# must be between 0 and 15
+option blue-gain 3
+
+# offset for red channel, if not given, will default to 0
+# must be between 0 and 15
+option red-offset 4
+
+# offset for green channel, if not given, will default to 0
+# must be between 0 and 15
+option green-offset 5
+
+# offset for blue channel, if not given, will default to 0
+# must be between 0 and 15
+option blue-offset 6
+
+
+#
+#
+# model number
+#
+# valid values are 610, 1220, 1600 and 2000
+#
+# by default, no model, we rely on autodetection
+# in case you have black or 'inverted' scans, 
+# you may override detection by providing the
+# model number
+option astra 1600
diff --git a/testsuite/sanei/data/word-array.conf b/testsuite/sanei/data/word-array.conf
new file mode 100644
index 0000000..4a8a58a
--- /dev/null
+++ b/testsuite/sanei/data/word-array.conf
@@ -0,0 +1,2 @@
+option numbers 1000 1100 1200 1300 1400 1500 1600
+attach devname
diff --git a/testsuite/sanei/data/wrong-boolean.conf b/testsuite/sanei/data/wrong-boolean.conf
new file mode 100644
index 0000000..c8b64fe
--- /dev/null
+++ b/testsuite/sanei/data/wrong-boolean.conf
@@ -0,0 +1,4 @@
+# true boolean value
+option booltrue true
+# false boolean value
+boolfalse buggy
diff --git a/testsuite/sanei/data/wrong-fixed.conf b/testsuite/sanei/data/wrong-fixed.conf
new file mode 100644
index 0000000..846c91c
--- /dev/null
+++ b/testsuite/sanei/data/wrong-fixed.conf
@@ -0,0 +1,2 @@
+# value out of range
+option height 59.7
diff --git a/testsuite/sanei/data/wrong-range.conf b/testsuite/sanei/data/wrong-range.conf
new file mode 100644
index 0000000..00d005c
--- /dev/null
+++ b/testsuite/sanei/data/wrong-range.conf
@@ -0,0 +1,2 @@
+option modelnumber 234
+attach devname
diff --git a/testsuite/sanei/data/wrong-string-list.conf b/testsuite/sanei/data/wrong-string-list.conf
new file mode 100644
index 0000000..7d8c82e
--- /dev/null
+++ b/testsuite/sanei/data/wrong-string-list.conf
@@ -0,0 +1,3 @@
+# one choice from string1, string2, string3 and string4
+option string-choice "wrong"
+attach devname
diff --git a/testsuite/sanei/sanei_check_test.c b/testsuite/sanei/sanei_check_test.c
new file mode 100644
index 0000000..a149b7e
--- /dev/null
+++ b/testsuite/sanei/sanei_check_test.c
@@ -0,0 +1,478 @@
+#include "../../include/sane/config.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+
+/* sane includes for the sanei functions called */
+#include "../../include/sane/sane.h"
+#include "../../include/sane/saneopts.h"
+#include "../../include/sane/sanei.h"
+
+/* range for constraint */
+static const SANE_Range int_range = {
+  3,				/* minimum */
+  18,				/* maximum */
+  3				/* quantization */
+};
+
+static SANE_Option_Descriptor int_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_FIXED,
+  SANE_UNIT_MM,
+  sizeof (SANE_Word),
+  0,
+  SANE_CONSTRAINT_RANGE,
+  {NULL}
+};
+
+#define ARRAY_SIZE 7
+
+static SANE_Option_Descriptor array_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_FIXED,
+  SANE_UNIT_MM,
+  sizeof (SANE_Word) * ARRAY_SIZE,
+  0,
+  SANE_CONSTRAINT_RANGE,
+  {NULL}
+};
+
+static SANE_Option_Descriptor bool_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_BOOL,
+  SANE_UNIT_MM,
+  sizeof (SANE_Bool),
+  0,
+  SANE_CONSTRAINT_NONE,
+  {NULL}
+};
+
+static SANE_Option_Descriptor bool_array_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_BOOL,
+  SANE_UNIT_MM,
+  sizeof (SANE_Bool) * ARRAY_SIZE,
+  0,
+  SANE_CONSTRAINT_NONE,
+  {NULL}
+};
+
+
+#define WORD_SIZE 9
+static const SANE_Int dpi_list[] =
+  { WORD_SIZE - 1, 100, 200, 300, 400, 500, 600, 700, 800 };
+
+static SANE_Option_Descriptor word_array_opt = {
+  SANE_NAME_SCAN_RESOLUTION,
+  SANE_TITLE_SCAN_RESOLUTION,
+  SANE_DESC_SCAN_RESOLUTION,
+  SANE_TYPE_INT,
+  SANE_UNIT_DPI,
+  sizeof (SANE_Word) * WORD_SIZE,
+  100,
+  SANE_CONSTRAINT_WORD_LIST,
+  {NULL}
+};
+
+/******************************/
+/* start of tests definitions */
+/******************************/
+
+/*
+ * constrained int
+ */
+static void
+min_int_value (void)
+{
+  SANE_Int value = int_range.min;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (value == int_range.min);
+}
+
+
+static void
+max_int_value (void)
+{
+  SANE_Int value = int_range.max;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (value == int_range.max);
+}
+
+
+static void
+below_min_int_value (void)
+{
+  SANE_Int value = int_range.min - 1;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+/* rounded to lower value */
+static void
+quant1_int_value (void)
+{
+  SANE_Int value = int_range.min + 1;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+/* close to higher value */
+static void
+quant2_int_value (void)
+{
+  SANE_Int value = int_range.min + int_range.quant - 1;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+static void
+in_range_int_value (void)
+{
+  SANE_Int value = int_range.min + int_range.quant;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (value == int_range.min + int_range.quant);
+}
+
+
+static void
+above_max_int_value (void)
+{
+  SANE_Int value = int_range.max + 1;
+  SANE_Status status;
+
+  status = sanei_check_value (&int_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+/*
+ * constrained int array
+ */
+static void
+min_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min;
+    }
+  status = sanei_check_value (&array_opt, value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min);
+    }
+}
+
+
+static void
+max_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.max;
+    }
+
+  status = sanei_check_value (&array_opt, value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.max);
+    }
+}
+
+
+static void
+below_min_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min - 1;
+    }
+
+  status = sanei_check_value (&array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+/* rounded to lower value */
+static void
+quant1_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min + 1;
+    }
+  status = sanei_check_value (&array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+/* rounded to higher value */
+static void
+quant2_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min + int_range.quant - 1;
+    }
+  status = sanei_check_value (&array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+static void
+in_range_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min + int_range.quant;
+    }
+
+  status = sanei_check_value (&array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min + int_range.quant);
+    }
+}
+
+
+static void
+above_max_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.max + 1;
+    }
+  status = sanei_check_value (&array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+static void
+bool_true (void)
+{
+  SANE_Bool value = SANE_TRUE;
+  SANE_Status status;
+  status = sanei_check_value (&bool_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+static void
+bool_false (void)
+{
+  SANE_Bool value = SANE_FALSE;
+  SANE_Status status;
+  status = sanei_check_value (&bool_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+static void
+wrong_bool (void)
+{
+  SANE_Bool value = 2;
+  SANE_Status status;
+  status = sanei_check_value (&bool_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+static void
+bool_array (void)
+{
+  SANE_Bool value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+  for (i = 0; i < ARRAY_SIZE; i++)
+    value[i] = i % 2;
+  status = sanei_check_value (&bool_array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+static void
+word_array_ok (void)
+{
+  SANE_Word value = 400;
+  SANE_Status status;
+  status = sanei_check_value (&word_array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+static void
+word_array_nok (void)
+{
+  SANE_Word value = 444;
+  SANE_Status status;
+  status = sanei_check_value (&word_array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+static void
+wrong_bool_array (void)
+{
+  SANE_Bool value[ARRAY_SIZE];
+  SANE_Status status;
+  int i;
+  for (i = 0; i < ARRAY_SIZE; i++)
+    value[i] = i % 2;
+  value[3] = 4;
+  status = sanei_check_value (&bool_array_opt, &value);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+/**
+ * run the test suite for sanei_check_value related tests 
+ */
+static void
+sanei_check_suite (void)
+{
+  /* to be compatible with pre-C99 compilers */
+  int_opt.constraint.range = &int_range;
+  array_opt.constraint.range = &int_range;
+  word_array_opt.constraint.word_list = dpi_list;
+
+  /* tests for constrained int value */
+  min_int_value ();
+  max_int_value ();
+  below_min_int_value ();
+  above_max_int_value ();
+  quant1_int_value ();
+  quant2_int_value ();
+  in_range_int_value ();
+
+  /* tests for constrained int array */
+  min_int_array ();
+  max_int_array ();
+  below_min_int_array ();
+  above_max_int_array ();
+  quant1_int_array ();
+  quant2_int_array ();
+  in_range_int_array ();
+
+  /* tests for boolean value */
+  bool_true ();
+  bool_false ();
+  wrong_bool ();
+  bool_array ();
+  wrong_bool_array ();
+
+  /* word array test */
+  word_array_ok ();
+  word_array_nok ();
+}
+
+
+int
+main (void)
+{
+  sanei_check_suite ();
+  return 0;
+}
+
+/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
diff --git a/testsuite/sanei/sanei_config_test.c b/testsuite/sanei/sanei_config_test.c
new file mode 100644
index 0000000..9a07f2b
--- /dev/null
+++ b/testsuite/sanei/sanei_config_test.c
@@ -0,0 +1,904 @@
+#include "../../include/sane/config.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+
+/* sane includes for the sanei functions called */
+#include "../include/sane/sane.h"
+#include "../include/sane/saneopts.h"
+#include "../include/sane/sanei.h"
+#include "../include/sane/sanei_config.h"
+
+#define XSTR(s) STR(s)
+#define STR(s) #s
+#define CONFIG_PATH XSTR(TESTSUITE_SANEI_SRCDIR)
+
+/*
+ * variables and functions used by the tests below
+ */
+
+
+/* range for constraint */
+static const SANE_Range model_range = {
+  1000,				/* minimum */
+  2000,				/* maximum */
+  2				/* quantization */
+};
+
+/* range for memory buffer size constraint */
+static const SANE_Range buffer_range = {
+  1024,				/* minimum bytes */
+  2048 * 1024,			/* maximum bytes */
+  1024				/* quantization */
+};
+
+/* range for int value in [0-15] */
+static const SANE_Range value16_range = {
+  0,				/* minimum */
+  15,				/* maximum */
+  1				/* quantization */
+};
+
+/* range for fixed height value */
+static const SANE_Range height_range = {
+  SANE_FIX (0),			/* minimum */
+  SANE_FIX (29.7),		/* maximum */
+  0				/* no quantization : hard to do for float values ... */
+};
+
+/* list of astra models */
+static const SANE_String_Const astra_models[] =
+  { "610", "1220", "1600", "2000", NULL };
+
+/* string list */
+static const SANE_String_Const string_list[] =
+  { "string1", "string2", "string3", "string4", NULL };
+
+/* last device name used for attach callback */
+static char *lastdevname = NULL;
+
+static SANE_Status
+check_config_attach (SANEI_Config * config, const char *devname)
+{
+  /* silence compiler warning for now */
+  if (config == NULL)
+    {
+      return SANE_STATUS_INVAL;
+    }
+
+  fprintf (stdout, "attaching with devname '%s'\n", devname);
+  if (lastdevname != NULL)
+    {
+      free (lastdevname);
+    }
+  lastdevname = strdup (devname);
+  return SANE_STATUS_GOOD;
+}
+
+/******************************/
+/* start of tests definitions */
+/******************************/
+
+/*
+ * non-existent config file
+ */
+static void
+inexistent_config (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+
+  config.count = 0;
+  config.descriptors = NULL;
+  config.values = NULL;
+  status = sanei_configure_attach (CONFIG_PATH
+                                   "/data/inexistent.conf", &config, NULL);
+
+  /* check results */
+  assert (status != SANE_STATUS_GOOD);
+}
+
+
+/*
+ * no config struct
+ */
+static void
+null_config (void)
+{
+  SANE_Status status;
+
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/umax_pp.conf", NULL,
+                            check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+/*
+ * no attach function
+ */
+static void
+null_attach (void)
+{
+  SANE_Status status;
+
+  status = sanei_configure_attach (CONFIG_PATH
+                                   "/data/umax_pp.conf", NULL, NULL);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+/*
+ * empty config : backend has no configuration option
+ */
+static void
+empty_config (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+
+  config.count = 0;
+  config.descriptors = NULL;
+  config.values = NULL;
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/empty.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+}
+
+
+/*
+ * string option
+ */
+static void
+string_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Char modelname[128];
+  SANE_Char vendor[128];
+  SANE_Option_Descriptor *options[2];
+  void *values[2];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "modelname";
+  options[i]->title = "model name";
+  options[i]->desc = "user provided scanner's model name";
+  options[i]->type = SANE_TYPE_STRING;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = 128;
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = modelname;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "vendor";
+  options[i]->title = "vendor name";
+  options[i]->desc = "user provided scanner's vendor name";
+  options[i]->type = SANE_TYPE_STRING;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = 128;
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = vendor;
+  i++;
+
+  config.count = i;
+  config.descriptors = options;
+  config.values = values;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/string.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (strcmp (modelname, "my model") == 0);
+  assert (strcmp (vendor, "my vendor") == 0);
+}
+
+
+/*
+ * int option
+ */
+static void
+int_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Word modelnumber;
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "modelnumber";
+  options[i]->title = "model number";
+  options[i]->desc = "user provided scanner's model number";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &model_range;
+  values[i] = &modelnumber;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/int.conf", &config,
+                            check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (modelnumber == 1234);
+}
+
+
+/*
+ * int option out of range
+ */
+static void
+wrong_range_int_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Word modelnumber = -1;
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "modelnumber";
+  options[i]->title = "model number";
+  options[i]->desc = "user provided scanner's model number";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &model_range;
+  values[i] = &modelnumber;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/wrong-range.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+  assert (modelnumber == -1);
+}
+
+
+/*
+ * word array
+ */
+static void
+word_array_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Word numbers[7];
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "numbers";
+  options[i]->title = "some numbers";
+  options[i]->desc = "an array of numbers";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word) * 7;
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &model_range;
+  values[i] = numbers;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/word-array.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  for (i = 0; i < 7; i++)
+    {
+      assert (numbers[i] == 1000 + 100 * i);
+    }
+}
+
+
+/*
+ * string option with string list constraint
+ */
+static void
+string_list_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Char choice[128];
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "string-choice";
+  options[i]->title = "string choice";
+  options[i]->desc = "one string among a fixed list";
+  options[i]->type = SANE_TYPE_STRING;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = 128;
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_STRING_LIST;
+  options[i]->constraint.string_list = string_list;
+  values[i] = choice;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/string-list.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (strcmp (choice, "string3") == 0);
+}
+
+
+/*
+ * string option with string list constraint
+ */
+static void
+wrong_string_list_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Char choice[128];
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "string-choice";
+  options[i]->title = "string choice";
+  options[i]->desc = "one string among a fixed list";
+  options[i]->type = SANE_TYPE_STRING;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = 128;
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_STRING_LIST;
+  options[i]->constraint.string_list = string_list;
+  values[i] = choice;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  choice[0] = 0;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH
+                            "/data/wrong-string-list.conf", &config,
+			    check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+  assert (strcmp (choice, "") == 0);
+}
+
+
+/*
+ * real umax_pp confiugration file parsing
+ */
+static void
+umax_pp (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Option_Descriptor *options[9];
+  void *values[9];
+  int i = 0;
+  /* placeholders for options */
+  SANE_Word buffersize = -1;
+  SANE_Word redgain = -1;
+  SANE_Word greengain = -1;
+  SANE_Word bluegain = -1;
+  SANE_Word redoffset = -1;
+  SANE_Word greenoffset = -1;
+  SANE_Word blueoffset = -1;
+  SANE_Char model[128];
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "buffer";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &buffer_range;
+  values[i] = &buffersize;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "red-gain";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &value16_range;
+  values[i] = &redgain;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "green-gain";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &value16_range;
+  values[i] = &greengain;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "blue-gain";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &value16_range;
+  values[i] = &bluegain;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "red-offset";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &value16_range;
+  values[i] = &redoffset;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "green-offset";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &value16_range;
+  values[i] = &greenoffset;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "blue-offset";
+  options[i]->type = SANE_TYPE_INT;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &value16_range;
+  values[i] = &blueoffset;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "astra";
+  options[i]->type = SANE_TYPE_STRING;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = 128;
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_STRING_LIST;
+  options[i]->constraint.string_list = astra_models;
+  values[i] = &model;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  model[0] = 0;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/umax_pp.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (buffersize == 1048576);
+  assert (redgain == 1);
+  assert (greengain == 2);
+  assert (bluegain == 3);
+  assert (redoffset == 4);
+  assert (greenoffset == 5);
+  assert (blueoffset == 6);
+  assert (strcmp (model, "1600") == 0);
+  assert (strcmp (lastdevname, "port safe-auto") == 0);
+
+  /* free memory */
+  while (i > 0)
+    {
+      i--;
+      free (options[i]);
+    }
+}
+
+
+/*
+ * boolean option
+ */
+static void
+wrong_bool_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Option_Descriptor *options[2];
+  void *values[2];
+  SANE_Bool booltrue, boolfalse;
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "booltrue";
+  options[i]->title = "boolean true";
+  options[i]->type = SANE_TYPE_BOOL;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Bool);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = &booltrue;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "boolfalse";
+  options[i]->title = "boolean false";
+  options[i]->type = SANE_TYPE_BOOL;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Bool);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = &boolfalse;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/wrong-boolean.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+  assert (booltrue == SANE_TRUE);
+}
+
+
+/*
+ * boolean option
+ */
+static void
+bool_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Option_Descriptor *options[3];
+  void *values[3];
+  SANE_Bool booltrue, boolfalse, boolarray[3];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "booltrue";
+  options[i]->title = "boolean true";
+  options[i]->type = SANE_TYPE_BOOL;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Bool);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = &booltrue;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "boolfalse";
+  options[i]->title = "boolean false";
+  options[i]->type = SANE_TYPE_BOOL;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Bool);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = &boolfalse;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "boolarray";
+  options[i]->title = "boolean array";
+  options[i]->type = SANE_TYPE_BOOL;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (boolarray);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = boolarray;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/boolean.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (booltrue == SANE_TRUE);
+  assert (boolfalse == SANE_FALSE);
+  for (i = 0; i < 3; i++)
+    {
+      assert (boolarray[i] == (SANE_Bool) i % 2);
+    }
+}
+
+
+/*
+ * fixed option
+ */
+static void
+fixed_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Word width, height, fixedarray[7];
+  SANE_Option_Descriptor *options[3];
+  void *values[3];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "width";
+  options[i]->title = "width";
+  options[i]->type = SANE_TYPE_FIXED;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = &width;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "height";
+  options[i]->title = "height";
+  options[i]->type = SANE_TYPE_FIXED;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = &height;
+  i++;
+
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "array-of-fixed";
+  options[i]->title = "array of fixed";
+  options[i]->type = SANE_TYPE_FIXED;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (fixedarray);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &height_range;
+  values[i] = fixedarray;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/fixed.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (width == SANE_FIX (21.0));
+  assert (height == SANE_FIX (29.7));
+  for (i = 0; i < 7; i++)
+    {
+      assert (fixedarray[i] == SANE_FIX (2.0 + 0.1 * ((float) i)));
+    }
+}
+
+
+/*
+ * fixed option with value out of range
+ */
+static void
+wrong_fixed_option (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Word height;
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "height";
+  options[i]->title = "height";
+  options[i]->type = SANE_TYPE_FIXED;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (SANE_Word);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_RANGE;
+  options[i]->constraint.range = &height_range;
+  values[i] = &height;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/wrong-fixed.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+}
+
+
+static void
+snapscan (void)
+{
+  SANE_Status status;
+  SANEI_Config config;
+  SANE_Char firmware[128];
+  SANE_Option_Descriptor *options[1];
+  void *values[1];
+  int i;
+
+  i = 0;
+  options[i] =
+    (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+  options[i]->name = "firmware";
+  options[i]->title = "scanner's firmware path";
+  options[i]->desc = "user provided scanner's full path";
+  options[i]->type = SANE_TYPE_STRING;
+  options[i]->unit = SANE_UNIT_NONE;
+  options[i]->size = sizeof (firmware);
+  options[i]->cap = SANE_CAP_SOFT_SELECT;
+  options[i]->constraint_type = SANE_CONSTRAINT_NONE;
+  values[i] = firmware;
+  i++;
+
+  config.descriptors = options;
+  config.values = values;
+  config.count = i;
+
+  /* configure and attach */
+  status =
+    sanei_configure_attach (CONFIG_PATH "/data/snapscan.conf",
+                            &config, check_config_attach);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (strcmp (firmware, "/usr/share/sane/snapscan/your-firmwarefile.bin")
+	  == 0);
+  /* TODO must test attach() done */
+}
+
+
+/**
+ * create the test suite for sanei config related tests 
+ */
+static void
+sanei_config_suite (void)
+{
+  /* tests */
+  inexistent_config ();
+  empty_config ();
+  null_config ();
+  null_attach ();
+  string_option ();
+  int_option ();
+  string_list_option ();
+  word_array_option ();
+  bool_option ();
+  fixed_option ();
+  wrong_range_int_option ();
+  wrong_string_list_option ();
+  wrong_bool_option ();
+  wrong_fixed_option ();
+
+  /* backend real conf inspired cases */
+  umax_pp ();
+  snapscan ();
+}
+
+/**
+ * main function to run the test suites 
+ */
+int
+main (void)
+{
+  /* run suites */
+  sanei_config_suite ();
+
+  return 0;
+}
+
+/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
diff --git a/testsuite/sanei/sanei_constrain_test.c b/testsuite/sanei/sanei_constrain_test.c
new file mode 100644
index 0000000..0f66bbb
--- /dev/null
+++ b/testsuite/sanei/sanei_constrain_test.c
@@ -0,0 +1,795 @@
+#include "../../include/sane/config.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+
+/* sane includes for the sanei functions called */
+#include "../include/sane/sane.h"
+#include "../include/sane/saneopts.h"
+#include "../include/sane/sanei.h"
+
+static SANE_Option_Descriptor none_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_INT,
+  SANE_UNIT_NONE,
+  sizeof (SANE_Word),
+  0,
+  SANE_CONSTRAINT_NONE,
+  {NULL}
+};
+
+
+static SANE_Option_Descriptor none_bool_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_BOOL,
+  SANE_UNIT_NONE,
+  sizeof (SANE_Word),
+  0,
+  SANE_CONSTRAINT_NONE,
+  {NULL}
+};
+
+/* range for int constraint */
+static const SANE_Range int_range = {
+  3,				/* minimum */
+  18,				/* maximum */
+  3				/* quantization */
+};
+
+/* range for sane fixed constraint */
+static const SANE_Range fixed_range = {
+  SANE_FIX(1.0),		/* minimum */
+  SANE_FIX(431.8),		/* maximum */
+  SANE_FIX(0.01)				/* quantization */
+};
+
+static SANE_Option_Descriptor int_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_FIXED,
+  SANE_UNIT_MM,
+  sizeof (SANE_Word),
+  0,
+  SANE_CONSTRAINT_RANGE,
+  {NULL}
+};
+
+static SANE_Option_Descriptor fixed_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_FIXED,
+  SANE_UNIT_MM,
+  sizeof (SANE_Word),
+  0,
+  SANE_CONSTRAINT_RANGE,
+  {NULL}
+};
+
+#define ARRAY_SIZE 7
+
+static SANE_Option_Descriptor array_opt = {
+  SANE_NAME_SCAN_TL_X,
+  SANE_TITLE_SCAN_TL_X,
+  SANE_DESC_SCAN_TL_X,
+  SANE_TYPE_FIXED,
+  SANE_UNIT_MM,
+  sizeof (SANE_Word) * ARRAY_SIZE,
+  0,
+  SANE_CONSTRAINT_RANGE,
+  {NULL}
+};
+
+#define WORD_SIZE 9
+static const SANE_Int dpi_list[] =
+  { WORD_SIZE - 1, 100, 200, 300, 400, 500, 600, 700, 800 };
+
+static SANE_Option_Descriptor word_array_opt = {
+  SANE_NAME_SCAN_RESOLUTION,
+  SANE_TITLE_SCAN_RESOLUTION,
+  SANE_DESC_SCAN_RESOLUTION,
+  SANE_TYPE_INT,
+  SANE_UNIT_DPI,
+  sizeof (SANE_Word) * WORD_SIZE,
+  100,
+  SANE_CONSTRAINT_WORD_LIST,
+  {NULL}
+};
+
+static const SANE_String_Const string_list[] = {
+  SANE_VALUE_SCAN_MODE_LINEART,
+  SANE_VALUE_SCAN_MODE_HALFTONE,
+  SANE_VALUE_SCAN_MODE_GRAY,
+  "linelength",
+  0
+};
+
+static SANE_Option_Descriptor string_array_opt = {
+  SANE_NAME_SCAN_MODE,
+  SANE_TITLE_SCAN_MODE,
+  SANE_DESC_SCAN_MODE,
+  SANE_TYPE_STRING,
+  SANE_UNIT_NONE,
+  8,
+  0,
+  SANE_CONSTRAINT_STRING_LIST,
+  {NULL}
+};
+
+
+/******************************/
+/* start of tests definitions */
+/******************************/
+
+/*
+ * constrained int
+ */
+static void
+min_int_value (void)
+{
+  SANE_Int value = int_range.min;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == int_range.min);
+}
+
+static void
+max_int_value (void)
+{
+  SANE_Int value = int_range.max;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == int_range.max);
+}
+
+static void
+below_min_int_value (void)
+{
+  SANE_Int value = int_range.min - 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == int_range.min);
+}
+
+/* rounded to lower value */
+static void
+quant1_int_value (void)
+{
+  SANE_Int value = int_range.min + 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == int_range.min);
+}
+
+/* rounded to higher value */
+static void
+quant2_int_value (void)
+{
+  SANE_Int value = int_range.min + int_range.quant - 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == int_range.min + int_range.quant);
+}
+
+static void
+in_range_int_value (void)
+{
+  SANE_Int value = int_range.min + int_range.quant;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == int_range.min + int_range.quant);
+}
+
+static void
+above_max_int_value (void)
+{
+  SANE_Int value = int_range.max + 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&int_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == int_range.max);
+}
+
+/*
+ * constrained fixed value
+ */
+static void
+min_fixed_value (void)
+{
+  SANE_Int value = fixed_range.min;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == fixed_range.min);
+}
+
+static void
+max_fixed_value (void)
+{
+  SANE_Int value = fixed_range.max;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == fixed_range.max); 
+}
+
+static void
+below_min_fixed_value (void)
+{
+  SANE_Int value = fixed_range.min - 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == fixed_range.min);
+}
+
+/* rounded to lower value */
+static void
+quant1_fixed_value (void)
+{
+  SANE_Int value = fixed_range.min + fixed_range.quant/3;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == fixed_range.min);
+}
+
+/* rounded to higher value */
+static void
+quant2_fixed_value (void)
+{
+  SANE_Int value = fixed_range.min + fixed_range.quant - fixed_range.quant/3;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == fixed_range.min + fixed_range.quant);
+}
+
+static void
+in_range_fixed_value (void)
+{
+  SANE_Int value = fixed_range.min + fixed_range.quant;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == fixed_range.min + fixed_range.quant);
+}
+
+static void
+above_max_fixed_value (void)
+{
+  SANE_Int value = fixed_range.max + 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&fixed_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == fixed_range.max);
+}
+
+
+static void
+above_max_word (void)
+{
+  SANE_Word value = 25000;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&word_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == 800);
+}
+
+
+static void
+below_max_word (void)
+{
+  SANE_Word value = 1;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&word_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == 100);
+}
+
+static void
+closest_200_word (void)
+{
+  SANE_Word value = 249;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&word_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == 200);
+}
+
+
+static void
+closest_300_word (void)
+{
+  SANE_Word value = 251;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&word_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  assert (value == 300);
+}
+
+
+static void
+exact_400_word (void)
+{
+  SANE_Word value = 400;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&word_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  assert (value == 400);
+}
+
+/*
+ * constrained int array
+ */
+static void
+min_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min;
+    }
+  status = sanei_constrain_value (&array_opt, value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min);
+    }
+}
+
+static void
+max_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.max;
+    }
+
+  status = sanei_constrain_value (&array_opt, value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.max);
+    }
+}
+
+static void
+below_min_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min - 1;
+    }
+
+  status = sanei_constrain_value (&array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min);
+    }
+}
+
+/* rounded to lower value */
+static void
+quant1_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min + 1;
+    }
+  status = sanei_constrain_value (&array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min);
+    }
+}
+
+/* rounded to higher value */
+static void
+quant2_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min + int_range.quant - 1;
+    }
+  status = sanei_constrain_value (&array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min + int_range.quant);
+    }
+}
+
+static void
+in_range_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.min + int_range.quant;
+    }
+
+  status = sanei_constrain_value (&array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.min + int_range.quant);
+    }
+}
+
+static void
+above_max_int_array (void)
+{
+  SANE_Int value[ARRAY_SIZE];
+  SANE_Word info = 0;
+  SANE_Status status;
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      value[i] = int_range.max + 1;
+    }
+  status = sanei_constrain_value (&array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == SANE_INFO_INEXACT);
+  for (i = 0; i < ARRAY_SIZE; i++)
+    {
+      assert (value[i] == int_range.max);
+    }
+}
+
+static void
+wrong_string_array (void)
+{
+  SANE_Char value[9] = "wrong";
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&string_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+  assert (info == 0);
+}
+
+
+static void
+none_int (void)
+{
+  SANE_Int value = 555;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&none_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+}
+
+
+static void
+none_bool_nok (void)
+{
+  SANE_Bool value = 555;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&none_bool_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+  assert (info == 0);
+}
+
+
+static void
+none_bool_ok (void)
+{
+  SANE_Bool value = SANE_FALSE;
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&none_bool_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+}
+
+/**
+ * several partial match
+ */
+static void
+string_array_several (void)
+{
+  SANE_Char value[9] = "Line";
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&string_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_INVAL);
+  assert (info == 0);
+}
+
+/**
+ * unique partial match
+ */
+static void
+partial_string_array (void)
+{
+  SANE_Char value[9] = "Linea";
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&string_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+}
+
+static void
+string_array_ignorecase (void)
+{
+  SANE_Char value[9] = "lineart";
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&string_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+}
+
+static void
+string_array_ok (void)
+{
+  SANE_Char value[9] = "Lineart";
+  SANE_Word info = 0;
+  SANE_Status status;
+
+  status = sanei_constrain_value (&string_array_opt, &value, &info);
+
+  /* check results */
+  assert (status == SANE_STATUS_GOOD);
+  assert (info == 0);
+}
+
+/**
+ * run the test suite for sanei constrain related tests 
+ */
+static void
+sanei_constrain_suite (void)
+{
+  /* to be compatible with pre-C99 compilers */
+  int_opt.constraint.range = &int_range;
+  fixed_opt.constraint.range = &fixed_range;
+  array_opt.constraint.range = &int_range;
+  word_array_opt.constraint.word_list = dpi_list;
+  string_array_opt.constraint.string_list = string_list;
+
+  /* tests for constrained int value */
+  min_int_value ();
+  max_int_value ();
+  below_min_int_value ();
+  above_max_int_value ();
+  quant1_int_value ();
+  quant2_int_value ();
+  in_range_int_value ();
+
+  /* tests for sane fixed constrained value */
+  min_fixed_value ();
+  max_fixed_value ();
+  below_min_fixed_value ();
+  above_max_fixed_value ();
+  quant1_fixed_value ();
+  quant2_fixed_value ();
+  in_range_fixed_value ();
+
+  /* tests for constrained int array */
+  min_int_array ();
+  max_int_array ();
+  below_min_int_array ();
+  above_max_int_array ();
+  quant1_int_array ();
+  quant2_int_array ();
+  in_range_int_array ();
+
+  /* tests for word lists */
+  above_max_word ();
+  below_max_word ();
+  closest_200_word ();
+  closest_300_word ();
+  exact_400_word ();
+
+  /* tests for string lists */
+  wrong_string_array ();
+  partial_string_array ();
+  string_array_ok ();
+  string_array_ignorecase ();
+  string_array_several ();
+
+  /* constraint none tests  */
+  none_int ();
+  none_bool_nok ();
+  none_bool_ok ();
+}
+
+/**
+ * main function to run the test suites 
+ */
+int
+main (void)
+{
+  /* run suites */
+  sanei_constrain_suite ();
+
+  return 0;
+}
+
+/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
diff --git a/testsuite/sanei/sanei_usb_test.c b/testsuite/sanei/sanei_usb_test.c
new file mode 100644
index 0000000..4c5240e
--- /dev/null
+++ b/testsuite/sanei/sanei_usb_test.c
@@ -0,0 +1,949 @@
+#include "../../include/sane/config.h"
+
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <math.h>
+#include <stddef.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_MKDIR
+#include <sys/stat.h>
+#include <sys/types.h>
+#endif
+
+#include <assert.h>
+
+#define BACKEND_NAME	sanei_usb
+
+#include "../../include/sane/sane.h"
+#include "../../include/sane/sanei.h"
+#include "../../include/sane/saneopts.h"
+
+#include "../../include/sane/sanei_backend.h"
+#include "../../include/sane/sanei_usb.h"
+
+#include "../../include/_stdint.h"
+
+/*
+ * In order to avoid modifying sanei_usb.c to allow for unit tests
+ * we include it so we can use its private variables and structures
+ * and still test the code.
+ */
+#include "../../sanei/sanei_usb.c"
+
+
+/** test sanei_usb_init()
+ * calls sanei_usb_init
+ * @param expected expected use count
+ * @return 1 on success, else 0
+ */
+static int
+test_init (int expected)
+{
+  /* initialize USB */
+  printf ("%s starting ...\n", __FUNCTION__);
+  sanei_usb_init ();
+  if (initialized == 0)
+    {
+      printf ("ERROR: sanei_usb not initialized!\n");
+      return 0;
+    }
+  if (initialized != expected)
+    {
+      printf ("ERROR: incorrect use count, expected %d, got %d!\n", expected,
+	      initialized);
+      return 0;
+    }
+
+  printf ("sanei_usb initialized, use count is %d ...\n", initialized);
+  printf ("%s success\n\n", __FUNCTION__);
+  return 1;
+}
+
+/** test sanei_usb_exit()
+ * calls sanei_usb_exit
+ * @param expected use count after exit call
+ * @return 1 on success, else 0
+ */
+static int
+test_exit (int expected)
+{
+  printf ("%s starting ...\n", __FUNCTION__);
+
+  /* end of USB use test */
+  sanei_usb_exit ();
+  if (initialized != expected)
+    {
+      printf ("ERROR: incorrect use count, expected %d, got %d!\n", expected,
+	      initialized);
+      return 0;
+    }
+
+  printf ("%s success\n\n", __FUNCTION__);
+  return 1;
+}
+
+
+/** count detected devices
+ * count all detected devices and check it against expected value
+ * @param expected detected count
+ * @return 1 on success, else 0
+ */
+static int
+count_detected (int expected)
+{
+  int num = 0;
+  int i;
+
+  for (i = 0; i < device_number; i++)
+    {
+      if (devices[i].missing == 0 && devices[i].devname != NULL)
+	{
+	  num++;
+	}
+    }
+  if (num != expected)
+    {
+      printf ("ERROR: %d detected devices, expected %d!\n", num, expected);
+      return 0;
+    }
+  printf ("%d devices still detected.\n", num);
+  return 1;
+}
+
+/** create mock device
+ * create a mock device entry
+ * @param device device pointer to fill with mock data
+ * @return nothing
+ */
+static void
+create_mock_device (char *devname, device_list_type * device)
+{
+  memset (device, 0, sizeof (device_list_type));
+  device->devname = strdup (devname);
+  device->vendor = 0xdead;
+  device->product = 0xbeef;
+#if defined(HAVE_LIBUSB) || defined(HAVE_LIBUSB_1_0)
+  device->method = sanei_usb_method_libusb;
+#endif
+#ifdef HAVE_USBCALLS
+  device->method = sanei_usb_method_usbcalls;
+#endif
+#if !defined(HAVE_LIBUSB) && !defined(HAVE_LIBUSB_1_0) && !defined(HAVE_USBCALLS)
+  device->method == sanei_usb_method_scanner_driver;
+#endif
+}
+
+/** test store_device
+ * test store_device for corner cases not covered by the
+ * other regular use by sanei_usb_scan_devices
+ * the startiing situation is that the mock device has never
+ * put into device list.
+ * @return 1 on success, else 0
+ */
+static int
+test_store_device (void)
+{
+  int current_number;
+  int expected;
+  int i;
+  int found;
+  device_list_type mock;
+
+  create_mock_device ("mock", &mock);
+
+  /* first test store when there is no more room
+   * to store device */
+  current_number = device_number;
+  device_number = MAX_DEVICES;
+  /* give unused devices a name so strcmp() won't crash. */
+  for (i = current_number; i < MAX_DEVICES; i++)
+    devices[i].devname = "";
+
+  store_device (mock);
+  /* there should be no more devices */
+  if (device_number > MAX_DEVICES)
+    {
+      printf ("ERROR: store past end of device list!\n");
+      return 0;
+    }
+  /* walk device list to be sure mock device hasn't been stored */
+  for (i = 0; i < MAX_DEVICES; i++)
+    {
+      if (devices[i].devname && !strcmp (devices[i].devname, mock.devname))
+	{
+	  printf
+	    ("ERROR: device stored although there were no place for it!\n");
+	  return 0;
+	}
+    }
+
+  /* restore device_number */
+  device_number = current_number;
+  /* reset unused devnames to NULL */
+  for (i = current_number; i < MAX_DEVICES; i++)
+    devices[i].devname = NULL;
+  expected = device_number + 1;
+
+  /* store mock device */
+  store_device (mock);
+  found = 0;
+  for (i = 0; i < MAX_DEVICES && !found; i++)
+    {
+      if (devices[i].devname && !strcmp (devices[i].devname, mock.devname))
+	{
+	  found = 1;
+	}
+    }
+  if (device_number != expected || !found)
+    {
+      printf ("ERROR: mock device not stored !\n");
+      return 0;
+    }
+
+  /* scan devices should mark it as missing, and device_number should decrease */
+  sanei_usb_scan_devices ();
+  found = 0;
+  for (i = 0; i < MAX_DEVICES && !found; i++)
+    {
+      if (devices[i].devname
+	  && devices[i].missing == 1
+	  && !strcmp (devices[i].devname, mock.devname))
+	{
+	  found = 1;
+	}
+    }
+  if (device_number != expected || !found)
+    {
+      printf ("ERROR: mock device still present !\n");
+      return 0;
+    }
+
+  /* second scan devices should mark missing to 2 */
+  sanei_usb_scan_devices ();
+  found = 0;
+  for (i = 0; i < MAX_DEVICES && !found; i++)
+    {
+      if (devices[i].devname
+	  && devices[i].missing == 2
+	  && !strcmp (devices[i].devname, mock.devname))
+	{
+	  found = 1;
+	}
+    }
+  if (device_number != expected || !found)
+    {
+      printf ("ERROR: mock device slot not reusable !\n");
+      return 0;
+    }
+
+  /* store mock device again, slot in devices should be reused
+   * and device_number shouldn't change */
+  create_mock_device ("mock2", &mock);
+  store_device (mock);
+  found = 0;
+  for (i = 0; i < MAX_DEVICES && !found; i++)
+    {
+      if (devices[i].devname && !strcmp (devices[i].devname, mock.devname))
+	{
+	  found = 1;
+	}
+    }
+  if (device_number != expected || !found)
+    {
+      printf ("ERROR: mock device not stored !\n");
+      return 0;
+    }
+
+  /* last rescan to wipe mock device out */
+  sanei_usb_scan_devices ();
+
+  return 1;
+}
+
+/** return count of opened devices
+ * @return count of opened devices
+ */
+static int
+get_opened (void)
+{
+  int num = 0;
+  int i;
+
+  for (i = 0; i < device_number; i++)
+    {
+      if (devices[i].missing == 0 && devices[i].devname != NULL
+	  && devices[i].open == SANE_TRUE)
+	{
+	  num++;
+	}
+    }
+  return num;
+}
+
+/** count opened devices
+ * count all opended devices and check it against expected value
+ * @param expected use opened count
+ * @return 1 on success, else 0
+ */
+static int
+count_opened (int expected)
+{
+  int num = get_opened();
+
+  if (num != expected)
+    {
+      printf ("ERROR: %d opened devices, expected %d!\n", num, expected);
+      return 0;
+    }
+  printf ("%d devices still opened.\n", num);
+  return 1;
+}
+
+/** open all devices
+ * loop on all existing devices and open them
+ * @param dn array to store opened device number
+ * @param expected number of devices to be opened
+ * @return 1 on success, else 0
+ */
+static int
+test_open_all (SANE_Int * dn, int expected)
+{
+  int opened = 0;
+  int i;
+  int last;
+  SANE_Status status;
+
+  /* loop on detected devices and open them */
+  last = -1;
+  for (i = 0; i < device_number; i++)
+    {
+      if (devices[i].missing == 0 && devices[i].devname != NULL)
+	{
+	  /* open device */
+	  status = sanei_usb_open (devices[i].devname, dn + opened);
+	  if (status == SANE_STATUS_GOOD)
+	    {
+	      opened++;
+	      last = i;
+	    }
+	  else
+	    {
+              if (status == SANE_STATUS_ACCESS_DENIED ||
+                  status == SANE_STATUS_DEVICE_BUSY)
+                {
+                  expected--;
+                }
+              else
+                {
+	          printf ("ERROR: couldn't open device %s!\n",
+                          devices[i].devname);
+	          return 0;
+                }
+	    }
+	}
+    }
+  printf ("opened %d devices\n", opened);
+
+  /* try to reopen an opened device when there is one */
+  if (last >= 0)
+    {
+      status = sanei_usb_open (devices[last].devname, dn + opened);
+      if (status == SANE_STATUS_GOOD)
+	{
+	  printf ("ERROR: unexpected success when opening %s twice!\n",
+		  devices[last].devname);
+	  return 0;
+	}
+    }
+
+  /* there should be as many opened devices than detected devices */
+  return count_opened (expected);
+}
+
+/** test opening invalid device
+ * try to open an non existing device
+ * @return 1 on success, else 0
+ */
+static int
+test_open_invalid (void)
+{
+  SANE_Status status;
+  SANE_Int dn;
+
+  status = sanei_usb_open ("invalid device", &dn);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: unexpected success opening invalid device!\n");
+      return 0;
+    }
+  return 1;
+}
+
+/** close all devices
+ * loop on all opened devices and close them
+ * @param dn array of opened device number
+ * @param expected number of devices to be closed
+ * @return 1 on success, else 0
+ */
+static int
+test_close_all (SANE_Int * dn, int expected)
+{
+  int closed = 0;
+  int i;
+
+  /* loop on detected devices and open them */
+  for (i = 0; i < expected; i++)
+    {
+      /* close device */
+      sanei_usb_close (dn[i]);
+      closed++;
+    }
+  printf ("closed %d devices\n", closed);
+
+  /* there should be any more opened devices */
+  return count_opened (0);
+}
+
+
+/** claim all open devices
+ * loop on all opened devices and claim interface 0
+ * @param dn array of opened device number
+ * @param expected number of devices to be claimed
+ * @return 1 on success, else 0
+ */
+static int
+test_claim_all (SANE_Int * dn, int expected)
+{
+  int claimed = 0;
+  int i;
+  SANE_Status status;
+  device_list_type mock;
+
+  claimed = 0;
+  for (i = 0; i < expected; i++)
+    {
+      status = sanei_usb_claim_interface (dn[i], devices[dn[i]].interface_nr);
+      if (status != SANE_STATUS_GOOD)
+	{
+	  printf ("ERROR: couldn't claim interface 0 on device %d!\n", dn[i]);
+	}
+      else
+	{
+	  claimed++;
+	}
+    }
+  if (claimed != expected)
+    {
+      printf ("ERROR: expected %d claimed interfaces, got %d!\n", expected,
+	      claimed);
+      return 0;
+    }
+  printf ("%d devices claimed...\n\n", claimed);
+
+  /* try to claim invalid device entry */
+  status = sanei_usb_claim_interface (device_number, 0);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: could claim interface 0 on invalid device!\n");
+      return 0;
+    }
+
+  /* create a mock device and make it missing by rescanning */
+  create_mock_device ("mock", &mock);
+  store_device (mock);
+  sanei_usb_scan_devices ();
+
+  /* try to claim interface on missing device */
+  status = sanei_usb_claim_interface (device_number - 1, 0);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: could claim interface 0 on invalid device!\n");
+      return 0;
+    }
+
+  /* remove mock device */
+  device_number--;
+  free (devices[device_number].devname);
+  devices[device_number].devname = NULL;
+
+  return 1;
+}
+
+
+/** release all claimed devices
+ * loop on all opened devices and claim interface 0
+ * @param dn array of opened device number
+ * @param expected number of devices to be claimed
+ * @return 1 on success, else 0
+ */
+static int
+test_release_all (SANE_Int * dn, int expected)
+{
+  int released = 0;
+  int i;
+  SANE_Status status;
+  device_list_type mock;
+
+  released = 0;
+  for (i = 0; i < expected; i++)
+    {
+      status =
+	sanei_usb_release_interface (dn[i], devices[dn[i]].interface_nr);
+      if (status != SANE_STATUS_GOOD)
+	{
+	  printf ("ERROR: couldn't release interface 0 on device %d!\n",
+		  dn[i]);
+	}
+      else
+	{
+	  released++;
+	}
+    }
+  if (released != expected)
+    {
+      printf ("ERROR: expected %d released interfaces, got %d!\n", expected,
+	      released);
+      return 0;
+    }
+  printf ("%d devices released...\n\n", released);
+
+  /* try to release invalid device entry */
+  status = sanei_usb_release_interface (device_number, 0);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: could release interface 0 on invalid device!\n");
+      return 0;
+    }
+
+  /* create a mock device and make it missing by rescanning */
+  create_mock_device ("mock", &mock);
+  store_device (mock);
+  sanei_usb_scan_devices ();
+
+  /* try to claim interface on missing device */
+  status = sanei_usb_release_interface (device_number - 1, 0);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: could release interface 0 on invalid device!\n");
+      return 0;
+    }
+
+  /* remove mock device */
+  device_number--;
+  free (devices[device_number].devname);
+  devices[device_number].devname = NULL;
+
+  return 1;
+}
+
+/** get id for all devices names
+ * loop on all existing devices and get vendor
+ * and product id by name.
+ * @param expected count
+ * @return 1 on success, else 0
+ */
+static int
+test_vendor_by_devname (void)
+{
+  int i;
+  SANE_Status status;
+  SANE_Word vendor, product;
+  device_list_type mock;
+
+  /* loop on detected devices and open them */
+  for (i = 0; i < device_number; i++)
+    {
+      if (devices[i].missing == 0 && devices[i].devname != NULL)
+	{
+	  /* get device id */
+	  status = sanei_usb_get_vendor_product_byname (devices[i].devname,
+							&vendor, &product);
+	  if (status != SANE_STATUS_GOOD)
+	    {
+	      printf ("ERROR: couldn't query device %s!\n",
+		      devices[i].devname);
+	      return 0;
+	    }
+	  if (vendor == 0 || product == 0)
+	    {
+	      printf ("ERROR: incomplete device id for %s!\n",
+		      devices[i].devname);
+	      return 0;
+	    }
+	  printf ("%s is %04x:%04x\n", devices[i].devname, vendor, product);
+	}
+    }
+
+  /* add mock device */
+  create_mock_device ("mock", &mock);
+  store_device (mock);
+  status = sanei_usb_get_vendor_product_byname ("mock", &vendor, &product);
+  if (status != SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: getting vendor for mock devname!\n");
+      return 0;
+    }
+  if (vendor != mock.vendor || product != mock.product)
+    {
+      printf ("ERROR: wrong vendor/product for mock devname!\n");
+      return 0;
+    }
+  /* remove mock device */
+  device_number--;
+  free (devices[device_number].devname);
+  devices[device_number].devname = NULL;
+
+  /* try go get id for an invalid devname */
+  status = sanei_usb_get_vendor_product_byname ("invalid devname",
+						&vendor, &product);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: unexpected success getting id for invalid devname!\n");
+      return 0;
+    }
+
+  printf ("\n");
+  return 1;
+}
+
+/** get vendor for all devices id
+ * loop on all existing devices and get vendor
+ * and product id.
+ * @param expected count
+ * @return 1 on success, else 0
+ */
+static int
+test_vendor_by_id (void)
+{
+  int i;
+  SANE_Status status;
+  SANE_Word vendor, product;
+  device_list_type mock;
+
+  /* loop on detected devices and open them */
+  for (i = 0; i < device_number; i++)
+    {
+      if (devices[i].missing == 0 && devices[i].devname != NULL)
+	{
+	  /* get device id */
+	  status = sanei_usb_get_vendor_product (i, &vendor, &product);
+	  if (status != SANE_STATUS_GOOD)
+	    {
+	      printf ("ERROR: couldn't query device %d!\n", i);
+	      return 0;
+	    }
+	  if (vendor == 0 || product == 0)
+	    {
+	      printf ("ERROR: incomplete device id for %d!\n", i);
+	      return 0;
+	    }
+	  printf ("%d is %04x:%04x\n", i, vendor, product);
+	}
+    }
+
+  /* add mock device */
+  create_mock_device ("mock", &mock);
+  store_device (mock);
+  status =
+    sanei_usb_get_vendor_product (device_number - 1, &vendor, &product);
+  if (status != SANE_STATUS_GOOD)
+    {
+      printf ("ERROR: getting vendor for mock devname!\n");
+      return 0;
+    }
+  if (vendor != mock.vendor || product != mock.product)
+    {
+      printf ("ERROR: wrong vendor/product for mock devname!\n");
+      return 0;
+    }
+  /* remove mock device */
+  device_number--;
+  free (devices[device_number].devname);
+  devices[device_number].devname = NULL;
+
+  /* try go get id for an invalid id */
+  status =
+    sanei_usb_get_vendor_product (device_number + 1, &vendor, &product);
+  if (status == SANE_STATUS_GOOD)
+    {
+      printf
+	("ERROR: unexpected success getting vendor for invalid devname!\n");
+      return 0;
+    }
+
+  printf ("\n");
+  return 1;
+}
+
+/** test timeout functions : libusb only
+ * @return 1 on success, else 0
+ */
+static int
+test_timeout (void)
+{
+#if defined(HAVE_LIBUSB) || defined(HAVE_LIBUSB_1_0)
+  int timeout = libusb_timeout;
+
+  sanei_usb_set_timeout (5000);
+  if (libusb_timeout != 5000)
+    {
+      printf ("ERROR: failed to set timeout\n");
+      return 1;
+    }
+  sanei_usb_set_timeout (timeout);
+#endif
+  return 1;
+}
+
+/** test device scanning
+ * call sanei_usb_scan_devices, since it has no return code, no real
+ * assert can be done, but at least we can test it doesn't break
+ * other functions or don't leak memory
+ * @return always 1
+ */
+static int
+test_scan_devices (int detected, int opened)
+{
+  int rc;
+
+  printf ("rescanning for devices ...\n");
+  sanei_usb_scan_devices ();
+  rc = count_detected (detected);
+  if (!rc)
+    {
+      printf ("ERROR: scanning devices change detected count!\n");
+      return 0;
+    }
+  rc = count_opened (opened);
+  if (!rc)
+    {
+      printf ("ERROR: scanning devices change opened count!\n");
+      return 0;
+    }
+  printf ("\n");
+  return 1;
+}
+
+
+/**
+ * flag for dummy attach
+ */
+static int dummy_flag;
+
+/**
+ * expected device name during attach
+ */
+static char *expected_device;
+
+/** dummy attach function
+ * dummy attach function
+ * @return resturn SANE_STATUS_GOOD
+ */
+static SANE_Status
+dummy_attach (const char *dev)
+{
+  dummy_flag = (strcmp (expected_device, dev) == 0);
+  if (dummy_flag)
+    {
+      printf ("success attaching to %s...\n", dev);
+    }
+  else
+    {
+      printf ("failed attaching to %s...\n", dev);
+    }
+  return SANE_STATUS_GOOD;
+}
+
+/** test attaching usb device
+ * create a mock device and attach to it, checking
+ * if it is ok
+ * @return 1 on success, else 0
+ */
+static int
+test_attach (void)
+{
+  device_list_type mock;
+
+  /* add mock device and try ot attach to it */
+  dummy_flag = 0;
+  create_mock_device ("mock", &mock);
+  expected_device = mock.devname;
+  store_device (mock);
+  sanei_usb_attach_matching_devices ("usb 0xdead 0xbeef", dummy_attach);
+
+  /* flag must be set */
+  if (dummy_flag != 1)
+    {
+      printf ("ERROR: couldn't attach to 'usb xdead 0xbeef' device!\n");
+      return 0;
+    }
+
+  /* attach by devname */
+  dummy_flag = 0;
+  sanei_usb_attach_matching_devices (mock.devname, dummy_attach);
+  /* flag must be set */
+  if (dummy_flag != 1)
+    {
+      printf ("ERROR: couldn't attach to 'mock' device!\n");
+      return 0;
+    }
+
+  /* attach to bogus device */
+  dummy_flag = 0;
+  sanei_usb_attach_matching_devices ("usb 0x0001 0x0001", dummy_attach);
+
+  /* flag must not be set */
+  if (dummy_flag != 0)
+    {
+      printf ("ERROR: shouldn't be attached to bogus device!\n");
+      return 0;
+    }
+
+  /* attach by bogus devname */
+  sanei_usb_attach_matching_devices ("bogus", dummy_attach);
+
+  /* flag must not be set */
+  if (dummy_flag != 0)
+    {
+      printf ("ERROR: shouldn't be attached to bogus device!\n");
+      return 0;
+    }
+
+  /* remove mock device */
+  device_number--;
+  free (devices[device_number].devname);
+  devices[device_number].devname = NULL;
+  dummy_flag = 0;
+
+  return 1;
+}
+
+int
+main (int argc, char **argv)
+{
+  int detected, opened, i;
+  SANE_Int dn[MAX_DEVICES];
+
+#ifdef HAVE_LIBUSB
+  printf ("\n%s built with old libusb\n\n", argv[0]);
+#endif
+#ifdef HAVE_LIBUSB_1_0
+  printf ("\n%s built with libusb-1.0\n\n", argv[0]);
+#endif
+#ifdef HAVE_USBCALLS
+  printf ("\n%s built with usbcalls\n\n", argv[0]);
+#endif
+#if !defined(HAVE_LIBUSB) && !defined(HAVE_LIBUSB_1_0) && !defined(HAVE_USBCALLS)
+  printf ("\n%s relying on deprecated scanner kernel module\n", argv[0]);
+#endif
+
+  /* start sanei_usb */
+  assert (test_init (1));
+
+  /* test timeout function */
+  assert (test_timeout ());
+
+  /* count available devices */
+  detected = 0;
+  for (i = 0; i < device_number; i++)
+    {
+      if (devices[i].missing == 0 && devices[i].devname != NULL)
+	{
+	  detected++;
+	}
+    }
+  printf ("%d devices found.\n", detected);
+
+  /* rescan devices : detected count shouldn't change */
+  assert (test_scan_devices (detected, 0));
+
+  /* test corner cases with mock device */
+  assert (test_store_device ());
+
+  /* get vendor/product id for all available devices devname */
+  assert (test_vendor_by_devname ());
+
+  /* get vendor/product id for all available devices id */
+  assert (test_vendor_by_id ());
+
+  /* open all available devices */
+  assert (test_open_all (dn, detected));
+
+  opened = get_opened();
+
+  /* rescan devices : detected and opened count shouldn't change */
+  assert (test_scan_devices (detected, opened));
+
+  /* try to open an inexisting device */
+  assert (test_open_invalid ());
+
+  /* increase sanei _sub use count */
+  assert (test_init (2));
+
+  /* there should be still as many detected devices */
+  assert (count_detected (detected));
+
+  /* there should be still as many opened devices */
+  assert (count_opened (opened));
+
+  assert (test_exit (1));
+
+  /* there should be still as many opened devices */
+  assert (count_opened (opened));
+
+  /* count devices again , sanei_usb_exit() shouldn't have
+   * change the count */
+  assert (count_detected (detected));
+
+  /* claim all available devices */
+  assert (test_claim_all (dn, opened));
+
+  /* then release them all */
+  assert (test_release_all (dn, opened));
+
+  /* close all opened devices */
+  assert (test_close_all (dn, opened));
+
+  /* check there is no opened device */
+  assert (count_opened (0));
+
+  /* finally free resources */
+  assert (test_exit (0));
+
+  /* check there is no more devices */
+  assert (count_detected (0));
+
+  /* test attach matching device with a mock */
+  assert (test_attach ());
+
+  /* try to call sanei_usb_exit() when it not initialized */
+  assert (test_exit (0));
+
+  /* scan devices when sanei usb is not initialized */
+  assert (test_scan_devices (0, 0));
+
+  /* we re start use of sanei usb so we check we have left it
+   * it he correct state after "closing" it. */
+  printf ("\n============================================================\n");
+  printf ("restart use of sanei usb after having freed all resources...\n\n");
+  assert (test_init (1));
+
+  /* we should have the same initial count of detected devices */
+  assert (count_detected (detected));
+
+  /* finally free resources */
+  assert (test_exit (0));
+
+  /* all the tests are OK ! */
+  return 0;
+}
+
+/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
diff --git a/testsuite/sanei/test_wire.c b/testsuite/sanei/test_wire.c
new file mode 100644
index 0000000..e8388c4
--- /dev/null
+++ b/testsuite/sanei/test_wire.c
@@ -0,0 +1,236 @@
+#include "../include/sane/config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/fcntl.h>
+
+#include "../include/sane/sane.h"
+#include "../include/sane/sanei.h"
+#include "../include/sane/sanei_wire.h"
+#include "../include/sane/sanei_codec_ascii.h"
+#include "../include/sane/sanei_codec_bin.h"
+
+static Wire w;
+
+static SANE_Word dpi_word_list[] = {
+  4,				/* # of elements */
+  3, 30, 300, -600
+};
+
+static SANE_String_Const mode_list[] = {
+  "Lineart", "Grayscale", "Color", 0
+};
+
+static char *program_name;
+static char *default_codec = "bin";
+static char *default_outfile = "test_wire.out";
+
+static int
+usage (int code)
+{
+  if (code == 0)
+    {
+      printf ("Usage: %s [OPTION]...\n\
+\n\
+Test the SANE wire manipulation library.\n\
+\n\
+    --codec=CODEC        set the codec [default=%s]\n\
+    --help               display this message and exit\n\
+-o, --output=FILE        set the output file [default=%s]\n\
+    --readonly           do not create FILE, just read it\n\
+    --version            print version information\n\
+\n\
+Valid CODECs are: `ascii' `bin'\n", program_name, default_codec, default_outfile);
+    }
+  else
+    {
+      fprintf (stderr, "Type ``%s --help'' for more information.\n",
+	       program_name);
+    }
+  exit (code);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  SANE_Option_Descriptor desc[2], *desc_ptr;
+  SANE_Word len;
+  char *codec = default_codec;
+  char *outfile = default_outfile;
+  int readonly = 0;
+
+  program_name = argv[0];
+  argv++;
+  while (*argv != 0)
+    {
+      if (!strcmp (*argv, "--codec"))
+	{
+	  if (argv[1] == 0)
+	    {
+	      fprintf (stderr, "%s: option `%s' requires an argument\n",
+		       program_name, *argv);
+	      usage (1);
+	    }
+
+	  argv++;
+	  codec = *argv;
+	}
+      else if (!strncmp (*argv, "--codec=", 8))
+	{
+	  codec = *argv + 8;
+	}
+      else if (!strcmp (*argv, "--help"))
+	{
+	  usage (0);
+	}
+      else if (!strcmp (*argv, "-o") || !strcmp (*argv, "--output"))
+	{
+	  if (argv[1] == 0)
+	    {
+	      fprintf (stderr, "%s: option `%s' requires an argument\n",
+		       program_name, *argv);
+	      usage (1);
+	    }
+
+	  argv++;
+	  outfile = *argv;
+	}
+      else if (!strncmp (*argv, "--output=", 9))
+	{
+	  outfile = *argv + 9;
+	}
+      else if (!strcmp (*argv, "--readonly"))
+	{
+	  readonly = 1;
+	}
+      else if (!strcmp (*argv, "--version"))
+	{
+	  printf ("test_wire (%s) %s\n", PACKAGE, VERSION);
+	  exit (0);
+	}
+      else if (**argv == '-')
+	{
+	  fprintf (stderr, "%s: unrecognized option `%s'\n",
+		   program_name, *argv);
+	  usage (1);
+	}
+      else
+	{
+	  fprintf (stderr, "%s: too many arguments\n", program_name);
+	}
+
+      argv++;
+    }
+
+
+  if (!strcmp (codec, "bin"))
+    sanei_w_init (&w, sanei_codec_bin_init);
+  else if (!strcmp (codec, "ascii"))
+    sanei_w_init (&w, sanei_codec_ascii_init);
+  else
+    {
+      fprintf (stderr, "%s: unknown codec type `%s'\n", program_name, codec);
+      usage (1);
+    }
+
+  desc[0].name = "resolution";
+  desc[0].title = 0;
+  desc[0].desc = "Determines scan resolution in dots/inch (\"DPI\").";
+  desc[0].type = SANE_TYPE_FIXED;
+  desc[0].unit = SANE_UNIT_DPI;
+  desc[0].size = sizeof (SANE_Word);
+  desc[0].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
+  desc[0].constraint_type = SANE_CONSTRAINT_WORD_LIST;
+  desc[0].constraint.word_list = dpi_word_list;
+
+  desc[1].name = "mode";
+  desc[1].title = "Scan Mode";
+  desc[1].desc = "Determines scan mode.";
+  desc[1].type = SANE_TYPE_STRING;
+  desc[1].unit = SANE_UNIT_NONE;
+  desc[1].size = 10;
+  desc[1].cap = (SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT
+		 | SANE_CAP_AUTOMATIC);
+  desc[1].constraint_type = SANE_CONSTRAINT_STRING_LIST;
+  desc[1].constraint.string_list = mode_list;
+
+  {
+    int flags;
+    if (readonly)
+      {
+	printf ("reading %s output from %s\n", codec, outfile);
+	flags = O_RDONLY;
+      }
+    else
+      {
+	printf ("creating %s\n", outfile);
+	flags = O_RDWR | O_CREAT | O_TRUNC;
+      }
+
+    w.io.fd = open (outfile, flags, 0666);
+
+    if (w.io.fd < 0)
+      {
+	perror (outfile);
+	return -1;
+      }
+  }
+  w.io.read = read;
+  w.io.write = readonly ? 0 : write;
+
+  if (!readonly)
+    {
+      sanei_w_set_dir (&w, WIRE_ENCODE);
+      w.status = 0;
+
+      len = NELEMS (desc);
+      desc_ptr = desc;
+      sanei_w_array (&w, &len, (void **) &desc_ptr,
+		     (WireCodecFunc) sanei_w_option_descriptor,
+		     sizeof (desc[0]));
+
+      if (w.status == 0)
+	printf ("%s encode successful\n", codec);
+      else
+	fprintf (stderr, "%s: %s encode error %d: %s\n",
+		 codec, program_name, w.status, strerror (w.status));
+
+      printf ("%s output written to %s\n", codec, outfile);
+    }
+
+  sanei_w_set_dir (&w, WIRE_DECODE);
+  w.status = 0;
+
+  if (!readonly)
+    {
+      printf ("reading %s output from %s\n", codec, outfile);
+      lseek (w.io.fd, 0, SEEK_SET);
+    }
+
+  sanei_w_array (&w, &len, (void **) &desc_ptr,
+		 (WireCodecFunc) sanei_w_option_descriptor, sizeof (desc[0]));
+
+  if (w.status == 0)
+    printf ("%s decode successful\n", codec);
+  else
+    fprintf (stderr, "%s: %s decode error %d: %s\n",
+	     program_name, codec, w.status, strerror (w.status));
+
+  sanei_w_set_dir (&w, WIRE_FREE);
+  w.status = 0;
+  sanei_w_array (&w, &len, (void **) &desc_ptr,
+		 (WireCodecFunc) sanei_w_option_descriptor, sizeof (desc[0]));
+
+  if (w.status == 0)
+    printf ("free successful\n");
+  else
+    fprintf (stderr, "%s: free error %d: %s\n",
+	     program_name, w.status, strerror (w.status));
+
+  close (w.io.fd);
+
+  return 0;
+}