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Diffstat (limited to 'deps/uv/test/test-process-priority.c')
-rw-r--r-- | deps/uv/test/test-process-priority.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/deps/uv/test/test-process-priority.c b/deps/uv/test/test-process-priority.c new file mode 100644 index 0000000000..ebee6b90af --- /dev/null +++ b/deps/uv/test/test-process-priority.c @@ -0,0 +1,81 @@ +/* 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" + + +TEST_IMPL(process_priority) { + int priority; + int r; + int i; + +#if defined(__MVS__) + if (uv_os_setpriority(0, 0) == UV_ENOSYS) + RETURN_SKIP("functionality not supported on zOS"); +#endif + + /* Verify that passing a NULL pointer returns UV_EINVAL. */ + r = uv_os_getpriority(0, NULL); + ASSERT(r == UV_EINVAL); + + /* Verify that all valid values work. */ + for (i = UV_PRIORITY_HIGHEST; i <= UV_PRIORITY_LOW; i++) { + r = uv_os_setpriority(0, i); + + /* If UV_EACCES is returned, the current user doesn't have permission to + set this specific priority. */ + if (r == UV_EACCES) + continue; + + ASSERT(r == 0); + ASSERT(uv_os_getpriority(0, &priority) == 0); + + /* Verify that the priority values match on Unix, and are range mapped + on Windows. */ +#ifndef _WIN32 + ASSERT(priority == i); +#else + if (i < UV_PRIORITY_HIGH) + ASSERT(priority == UV_PRIORITY_HIGHEST); + else if (i < UV_PRIORITY_ABOVE_NORMAL) + ASSERT(priority == UV_PRIORITY_HIGH); + else if (i < UV_PRIORITY_NORMAL) + ASSERT(priority == UV_PRIORITY_ABOVE_NORMAL); + else if (i < UV_PRIORITY_BELOW_NORMAL) + ASSERT(priority == UV_PRIORITY_NORMAL); + else if (i < UV_PRIORITY_LOW) + ASSERT(priority == UV_PRIORITY_BELOW_NORMAL); + else + ASSERT(priority == UV_PRIORITY_LOW); +#endif + + /* Verify that the current PID and 0 are equivalent. */ + ASSERT(uv_os_getpriority(uv_os_getpid(), &r) == 0); + ASSERT(priority == r); + } + + /* Verify that invalid priorities return UV_EINVAL. */ + ASSERT(uv_os_setpriority(0, UV_PRIORITY_HIGHEST - 1) == UV_EINVAL); + ASSERT(uv_os_setpriority(0, UV_PRIORITY_LOW + 1) == UV_EINVAL); + + return 0; +} |