libc/test/src/time/nanosleep_test.cpp

   1 //===-- Unittests for nanosleep -------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include <time.h>
  10
  11 #include "src/errno/libc_errno.h"
  12 #include "src/time/nanosleep.h"
  13 #include "test/UnitTest/ErrnoSetterMatcher.h"
  14 #include "test/UnitTest/Test.h"
  15
  16 namespace cpp = LIBC_NAMESPACE::cpp;
  17
  18 TEST(LlvmLibcNanosleep, SmokeTest) {
  19   // TODO: When we have the code to read clocks, test that time has passed.
  20   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
  21   LIBC_NAMESPACE::libc_errno = 0;
  22
  23   struct timespec tim = {1, 500};
  24   struct timespec tim2 = {0, 0};
  25   int ret = LIBC_NAMESPACE::nanosleep(&tim, &tim2);
  26   ASSERT_ERRNO_SUCCESS();
  27   ASSERT_EQ(ret, 0);
  28 }