From 3e0814cd9862b89c7a39672672937477bd87ddfb Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Thu, 27 May 2010 18:23:15 +0200 Subject: Imported Upstream version 0.9.3 --- tests/unistr/test-strncpy.h | 79 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 tests/unistr/test-strncpy.h (limited to 'tests/unistr/test-strncpy.h') diff --git a/tests/unistr/test-strncpy.h b/tests/unistr/test-strncpy.h new file mode 100644 index 0000000..6fa0d12 --- /dev/null +++ b/tests/unistr/test-strncpy.h @@ -0,0 +1,79 @@ +/* Test of uN_strncpy() functions. + Copyright (C) 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2010. */ + +static void +check_single (const UNIT *input, size_t length, size_t n) +{ + UNIT *dest; + UNIT *result; + size_t i; + + dest = (UNIT *) malloc ((1 + n + 1) * sizeof (UNIT)); + ASSERT (dest != NULL); + + for (i = 0; i < 1 + n + 1; i++) + dest[i] = MAGIC; + + result = U_STRNCPY (dest + 1, input, n); + ASSERT (result == dest + 1); + + ASSERT (dest[0] == MAGIC); + for (i = 0; i < (n <= length ? n : length + 1); i++) + ASSERT (dest[1 + i] == input[i]); + for (; i < n; i++) + ASSERT (dest[1 + i] == 0); + ASSERT (dest[1 + n] == MAGIC); + + free (dest); +} + +static void +check (const UNIT *input, size_t input_length) +{ + size_t length; + size_t n; + + ASSERT (input_length > 0); + ASSERT (input[input_length - 1] == 0); + length = input_length - 1; /* = U_STRLEN (input) */ + + for (n = 0; n <= 2 * length + 2; n++) + check_single (input, length, n); + + /* Check that U_STRNCPY (D, S, N) does not look at more than + MIN (U_STRLEN (S) + 1, N) units. */ + { + char *page_boundary = (char *) zerosize_ptr (); + + if (page_boundary != NULL) + { + for (n = 0; n <= 2 * length + 2; n++) + { + size_t n_to_copy = (n <= length ? n : length + 1); + UNIT *copy; + size_t i; + + copy = (UNIT *) page_boundary - n_to_copy; + for (i = 0; i < n_to_copy; i++) + copy[i] = input[i]; + + check_single (copy, length, n); + } + } + } +} -- cgit v1.2.3