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Diffstat (limited to 'gnulib/tests/test-rawmemchr.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/tests/test-rawmemchr.c | 76 |
2 files changed, 76 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa diff --git a/gnulib/tests/test-rawmemchr.c b/gnulib/tests/test-rawmemchr.c new file mode 100644 index 00000000..94768183 --- /dev/null +++ b/gnulib/tests/test-rawmemchr.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. + * Written by Eric Blake and Bruno Haible + * + * 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 <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include <string.h> + +#include "signature.h" +SIGNATURE_CHECK (rawmemchr, void *, (void const *, int)); + +#include <stdlib.h> + +#include "macros.h" + +/* Calculating void * + int is not portable, so this wrapper converts + to char * to make the tests easier to write. */ +#define RAWMEMCHR (char *) rawmemchr + +int +main (void) +{ + size_t n = 0x100000; + char *input = malloc (n + 1); + ASSERT (input); + + input[0] = 'a'; + input[1] = 'b'; + memset (input + 2, 'c', 1024); + memset (input + 1026, 'd', n - 1028); + input[n - 2] = 'e'; + input[n - 1] = 'a'; + input[n] = '\0'; + + /* Basic behavior tests. */ + ASSERT (RAWMEMCHR (input, 'a') == input); + ASSERT (RAWMEMCHR (input, 'b') == input + 1); + ASSERT (RAWMEMCHR (input, 'c') == input + 2); + ASSERT (RAWMEMCHR (input, 'd') == input + 1026); + + ASSERT (RAWMEMCHR (input + 1, 'a') == input + n - 1); + ASSERT (RAWMEMCHR (input + 1, 'e') == input + n - 2); + + ASSERT (RAWMEMCHR (input, '\0') == input + n); + + /* Alignment tests. */ + { + int i, j; + for (i = 0; i < 32; i++) + { + for (j = 0; j < 256; j++) + input[i + j] = j; + for (j = 0; j < 256; j++) + { + ASSERT (RAWMEMCHR (input + i, j) == input + i + j); + } + } + } + + free (input); + + return 0; +} |