xenocara/xserver/test/string.c

71 lines
2.1 KiB
C

/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/**
* Tests for fallback implementations of string handling routines
* provided in os/ subdirectory for some platforms.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <assert.h>
#include "os.h"
/* Ensure we're testing our functions, even on platforms with libc versions */
#include <string.h>
#undef strndup
#define strndup my_strndup
char *strndup(const char *str, size_t n);
#include "../os/strndup.c"
static void
strndup_checks(void)
{
const char *sample = "0123456789abcdef";
char *allofit;
char *firsthalf = strndup(sample, 8);
char *secondhalf = strndup(sample + 8, 8);
assert(strcmp(firsthalf, "01234567") == 0);
assert(strcmp(secondhalf, "89abcdef") == 0);
free(firsthalf);
free(secondhalf);
allofit = strndup(sample, 20);
assert(strcmp(allofit, sample) == 0);
free(allofit);
}
int
main(int argc, char **argv)
{
strndup_checks();
return 0;
}