tildefriends/deps/libuv/test/test-get-currentexe.c

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/* Copyright Joyent, Inc. and other Node contributors. 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 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.
*/
#include "uv.h"
#include "task.h"
#include <string.h>
#ifndef _WIN32
#include <unistd.h>
#endif
#define PATHMAX 4096
extern char executable_path[];
TEST_IMPL(get_currentexe) {
/* TODO(gengjiawen): Fix test on QEMU. */
#if defined(__QEMU__)
RETURN_SKIP("Test does not currently work in QEMU");
#endif
char buffer[PATHMAX];
char path[PATHMAX];
size_t size;
char* match;
int r;
size = sizeof(buffer) / sizeof(buffer[0]);
r = uv_exepath(buffer, &size);
ASSERT(!r);
#ifdef _WIN32
snprintf(path, sizeof(path), "%s", executable_path);
#else
ASSERT_NOT_NULL(realpath(executable_path, path));
#endif
match = strstr(buffer, path);
/* Verify that the path returned from uv_exepath is a subdirectory of
* executable_path.
*/
ASSERT(match && !strcmp(match, path));
ASSERT(size == strlen(buffer));
/* Negative tests */
size = sizeof(buffer) / sizeof(buffer[0]);
r = uv_exepath(NULL, &size);
ASSERT(r == UV_EINVAL);
r = uv_exepath(buffer, NULL);
ASSERT(r == UV_EINVAL);
size = 0;
r = uv_exepath(buffer, &size);
ASSERT(r == UV_EINVAL);
memset(buffer, -1, sizeof(buffer));
size = 1;
r = uv_exepath(buffer, &size);
ASSERT(r == 0);
ASSERT(size == 0);
ASSERT(buffer[0] == '\0');
memset(buffer, -1, sizeof(buffer));
size = 2;
r = uv_exepath(buffer, &size);
ASSERT(r == 0);
ASSERT(size == 1);
ASSERT(buffer[0] != '\0');
ASSERT(buffer[1] == '\0');
/* Verify uv_exepath is not affected by uv_set_process_title(). */
r = uv_set_process_title("foobar");
ASSERT_EQ(r, 0);
size = sizeof(buffer);
r = uv_exepath(buffer, &size);
ASSERT_EQ(r, 0);
match = strstr(buffer, path);
/* Verify that the path returned from uv_exepath is a subdirectory of
* executable_path.
*/
ASSERT_NOT_NULL(match);
ASSERT_STR_EQ(match, path);
ASSERT_EQ(size, strlen(buffer));
return 0;
}