libuv-svace-build

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/* Copyright libuv contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include "uv.h"
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#include "task.h"
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#include <string.h>
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TEST_IMPL(gethostname) {
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  char buf[UV_MAXHOSTNAMESIZE];
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  size_t size;
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  size_t enobufs_size;
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  int r;
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  /* Reject invalid inputs */
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  size = 1;
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  r = uv_os_gethostname(NULL, &size);
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  ASSERT_EQ(r, UV_EINVAL);
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  r = uv_os_gethostname(buf, NULL);
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  ASSERT_EQ(r, UV_EINVAL);
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  size = 0;
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  r = uv_os_gethostname(buf, &size);
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  ASSERT_EQ(r, UV_EINVAL);
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  /* Return UV_ENOBUFS if the buffer cannot hold the hostname */
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  enobufs_size = 1;
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  buf[0] = '\0';
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  r = uv_os_gethostname(buf, &enobufs_size);
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  ASSERT_EQ(r, UV_ENOBUFS);
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  ASSERT_EQ(buf[0], '\0');
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  ASSERT_GT(enobufs_size, 1);
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  /* Successfully get the hostname */
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  size = UV_MAXHOSTNAMESIZE;
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  r = uv_os_gethostname(buf, &size);
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  ASSERT_OK(r);
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  ASSERT(size > 0 && size == strlen(buf));
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  ASSERT_EQ(size + 1, enobufs_size);
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  return 0;
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}
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