tildefriends/deps/libuv/test/test-gethostname.c
2023-11-07 17:30:39 +00:00

59 lines
1.9 KiB
C

/* 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>
TEST_IMPL(gethostname) {
char buf[UV_MAXHOSTNAMESIZE];
size_t size;
size_t enobufs_size;
int r;
/* Reject invalid inputs */
size = 1;
r = uv_os_gethostname(NULL, &size);
ASSERT_EQ(r, UV_EINVAL);
r = uv_os_gethostname(buf, NULL);
ASSERT_EQ(r, UV_EINVAL);
size = 0;
r = uv_os_gethostname(buf, &size);
ASSERT_EQ(r, UV_EINVAL);
/* Return UV_ENOBUFS if the buffer cannot hold the hostname */
enobufs_size = 1;
buf[0] = '\0';
r = uv_os_gethostname(buf, &enobufs_size);
ASSERT_EQ(r, UV_ENOBUFS);
ASSERT_EQ(buf[0], '\0');
ASSERT_GT(enobufs_size, 1);
/* Successfully get the hostname */
size = UV_MAXHOSTNAMESIZE;
r = uv_os_gethostname(buf, &size);
ASSERT_OK(r);
ASSERT(size > 0 && size == strlen(buf));
ASSERT_EQ(size + 1, enobufs_size);
return 0;
}