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/* Copyright libuv 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>
#define BUF_SIZE 10
TEST_IMPL(env_vars) {
const char* name = "UV_TEST_FOO";
char buf[BUF_SIZE];
size_t size;
int r;
/* Reject invalid inputs when setting an environment variable */
r = uv_os_setenv(NULL, "foo");
ASSERT(r == UV_EINVAL);
r = uv_os_setenv(name, NULL);
ASSERT(r == UV_EINVAL);
r = uv_os_setenv(NULL, NULL);
ASSERT(r == UV_EINVAL);
/* Reject invalid inputs when retrieving an environment variable */
size = BUF_SIZE;
r = uv_os_getenv(NULL, buf, &size);
ASSERT(r == UV_EINVAL);
r = uv_os_getenv(name, NULL, &size);
ASSERT(r == UV_EINVAL);
r = uv_os_getenv(name, buf, NULL);
ASSERT(r == UV_EINVAL);
size = 0;
r = uv_os_getenv(name, buf, &size);
ASSERT(r == UV_EINVAL);
/* Reject invalid inputs when deleting an environment variable */
r = uv_os_unsetenv(NULL);
ASSERT(r == UV_EINVAL);
/* Successfully set an environment variable */
r = uv_os_setenv(name, "123456789");
ASSERT(r == 0);
/* Successfully read an environment variable */
size = BUF_SIZE;
buf[0] = '\0';
r = uv_os_getenv(name, buf, &size);
ASSERT(r == 0);
ASSERT(strcmp(buf, "123456789") == 0);
ASSERT(size == BUF_SIZE - 1);
/* Return UV_ENOBUFS if the buffer cannot hold the environment variable */
size = BUF_SIZE - 1;
buf[0] = '\0';
r = uv_os_getenv(name, buf, &size);
ASSERT(r == UV_ENOBUFS);
ASSERT(size == BUF_SIZE);
/* Successfully delete an environment variable */
r = uv_os_unsetenv(name);
ASSERT(r == 0);
/* Return UV_ENOENT retrieving an environment variable that does not exist */
r = uv_os_getenv(name, buf, &size);
ASSERT(r == UV_ENOENT);
/* Successfully delete an environment variable that does not exist */
r = uv_os_unsetenv(name);
ASSERT(r == 0);
return 0;
}