1/* Copyright libuv contributors. All rights reserved. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to 5 * deal in the Software without restriction, including without limitation the 6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7 * sell copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19 * IN THE SOFTWARE. 20 */ 21 22#include "uv.h" 23#include "task.h" 24#include <string.h> 25 26TEST_IMPL(gethostname) { 27 char buf[UV_MAXHOSTNAMESIZE]; 28 size_t size; 29 size_t enobufs_size; 30 int r; 31 32 /* Reject invalid inputs */ 33 size = 1; 34 r = uv_os_gethostname(NULL, &size); 35 ASSERT_EQ(r, UV_EINVAL); 36 r = uv_os_gethostname(buf, NULL); 37 ASSERT_EQ(r, UV_EINVAL); 38 size = 0; 39 r = uv_os_gethostname(buf, &size); 40 ASSERT_EQ(r, UV_EINVAL); 41 42 /* Return UV_ENOBUFS if the buffer cannot hold the hostname */ 43 enobufs_size = 1; 44 buf[0] = '\0'; 45 r = uv_os_gethostname(buf, &enobufs_size); 46 ASSERT_EQ(r, UV_ENOBUFS); 47 ASSERT_EQ(buf[0], '\0'); 48 ASSERT_GT(enobufs_size, 1); 49 50 /* Successfully get the hostname */ 51 size = UV_MAXHOSTNAMESIZE; 52 r = uv_os_gethostname(buf, &size); 53 ASSERT_OK(r); 54 ASSERT(size > 0 && size == strlen(buf)); 55 ASSERT_EQ(size + 1, enobufs_size); 56 57 return 0; 58} 59