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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-07-23 15:25:44 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-07-23 15:25:44 +0200
commit8286ac511144e4f17d34eac9affb97e50646344a (patch)
treef1af7320d7b6be6be059216d0ad08ac7b4f73fd0 /libcutl/tests/shared-ptr/driver.cxx
parenta15cf65c44d5c224169c32ef5495b68c758134b7 (diff)
Imported Upstream version 4.0.0upstream/4.0.0
Diffstat (limited to 'libcutl/tests/shared-ptr/driver.cxx')
-rw-r--r--libcutl/tests/shared-ptr/driver.cxx185
1 files changed, 185 insertions, 0 deletions
diff --git a/libcutl/tests/shared-ptr/driver.cxx b/libcutl/tests/shared-ptr/driver.cxx
new file mode 100644
index 0000000..3e763a0
--- /dev/null
+++ b/libcutl/tests/shared-ptr/driver.cxx
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+// file : tests/shared-ptr/driver.cxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license : MIT; see accompanying LICENSE file
+
+#include <string>
+#include <cassert>
+
+#include <cutl/shared-ptr.hxx>
+
+using namespace cutl;
+
+struct type
+{
+ type (int x, char const* y) : x_ (x), y_ (y) {}
+
+ int x_;
+ std::string y_;
+};
+
+struct base1
+{
+ virtual
+ ~base1 () {}
+ base1 (int x) : x_ (x) {}
+
+ int x_;
+};
+
+struct base2
+{
+ virtual
+ ~base2 () {}
+ base2 (char const* y) : y_ (y) {}
+
+ std::string y_;
+};
+
+struct derived: base1, base2
+{
+ derived (int x, char const* y) : base1 (x), base2 (y) {}
+};
+
+struct shared_type: shared_base
+{
+ shared_type (int x, char const* y)
+ : x_ (x), y_ (y)
+ {
+ assert (ref_count (this) == 1);
+ }
+
+ int x_;
+ std::string y_;
+};
+
+int
+main ()
+{
+ //
+ // inc_ref, dec_ref, ref_count
+ //
+
+ // Non-polymorphic type.
+ //
+ {
+ type* x (new (shared) type (5, "foo"));
+ assert (ref_count (x) == 1);
+ inc_ref (x);
+ assert (ref_count (x) == 2);
+ dec_ref (x);
+ assert (ref_count (x) == 1);
+ dec_ref (x);
+ }
+
+ // Polymorphic type.
+ //
+ {
+ base2* x (new (shared) derived (5, "foo"));
+ assert (ref_count (x) == 1);
+ inc_ref (x);
+ assert (ref_count (x) == 2);
+ dec_ref (x);
+ assert (ref_count (x) == 1);
+ dec_ref (x);
+ }
+
+ // Shared type.
+ //
+ {
+ shared_type* x (new (shared) shared_type (5, "foo"));
+ assert (ref_count (x) == 1);
+ inc_ref (x);
+ assert (ref_count (x) == 2);
+ dec_ref (x);
+ assert (ref_count (x) == 1);
+ dec_ref (x);
+ }
+
+ // Error handling (this theoretically can segfault).
+ //
+ {
+ type* x (new type (5, "foo"));
+
+ try
+ {
+ inc_ref (x);
+ assert (false);
+ }
+ catch (not_shared const&)
+ {
+ }
+
+ delete x;
+ }
+
+ //
+ // shared_ptr
+ //
+
+ // Non-polymorphic type.
+ //
+ {
+ shared_ptr<type> x (new (shared) type (5, "foo"));
+ assert (x.count () == 1);
+ assert (x);
+ assert (x->x_ == 5);
+ assert ((*x).y_ == "foo");
+ {
+ shared_ptr<type> y (x);
+ assert (y.count () == 2);
+ }
+ {
+ shared_ptr<type> y;
+ y = x;
+ assert (y.count () == 2);
+ }
+ assert (x.count () == 1);
+ shared_ptr<type> y (x.release ());
+ assert (y.count () == 1);
+ }
+
+ // Polymorphic type.
+ //
+ {
+ shared_ptr<derived> x (new (shared) derived (5, "foo"));
+ assert (x.count () == 1);
+ {
+ shared_ptr<base2> y (x);
+ assert (y.count () == 2);
+ assert (y->y_ == "foo");
+ }
+ {
+ shared_ptr<base2> y;
+ y = x;
+ assert (y.count () == 2);
+ }
+ assert (x.count () == 1);
+ }
+
+ // Non-polymorphic type.
+ //
+ {
+ shared_ptr<shared_type> x (new (shared) shared_type (5, "foo"));
+ assert (x.count () == 1);
+ assert (x);
+ assert (x->x_ == 5);
+ assert ((*x).y_ == "foo");
+ assert (x->_ref_count () == 1);
+ x->_inc_ref ();
+ assert (x.count () == 2);
+ x->_dec_ref ();
+ assert (x.count () == 1);
+ {
+ shared_ptr<shared_type> y (x);
+ assert (y.count () == 2);
+ }
+ {
+ shared_ptr<shared_type> y;
+ y = x;
+ assert (y.count () == 2);
+ }
+ assert (x.count () == 1);
+ shared_ptr<shared_type> y (x.release ());
+ assert (y.count () == 1);
+ }
+}