| 1 | //===-- Unittests for clock_getres- ---------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "hdr/time_macros.h" |
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| 10 | #include "src/time/clock_getres.h" |
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| 11 | #include "test/UnitTest/ErrnoSetterMatcher.h" |
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| 12 | #include "test/UnitTest/Test.h" |
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| 13 | |
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| 14 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
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| 15 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; |
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| 16 | |
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| 17 | TEST(LlvmLibcClockGetRes, Invalid) { |
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| 18 | timespec tp; |
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| 19 | EXPECT_THAT(LIBC_NAMESPACE::clock_getres(-1, &tp), Fails(EINVAL)); |
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| 20 | } |
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| 21 | |
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| 22 | TEST(LlvmLibcClockGetRes, NullSpec) { |
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| 23 | EXPECT_THAT(LIBC_NAMESPACE::clock_getres(CLOCK_REALTIME, nullptr), |
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| 24 | Succeeds()); |
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| 25 | } |
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| 26 | |
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| 27 | TEST(LlvmLibcClockGetRes, Realtime) { |
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| 28 | timespec tp; |
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| 29 | EXPECT_THAT(LIBC_NAMESPACE::clock_getres(CLOCK_REALTIME, &tp), Succeeds()); |
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| 30 | EXPECT_GE(tp.tv_sec, static_cast<decltype(tp.tv_sec)>(0)); |
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| 31 | EXPECT_GE(tp.tv_nsec, static_cast<decltype(tp.tv_nsec)>(0)); |
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| 32 | } |
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| 33 | |
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| 34 | TEST(LlvmLibcClockGetRes, Monotonic) { |
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| 35 | timespec tp; |
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| 36 | ASSERT_THAT(LIBC_NAMESPACE::clock_getres(CLOCK_MONOTONIC, &tp), Succeeds()); |
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| 37 | EXPECT_GE(tp.tv_sec, static_cast<decltype(tp.tv_sec)>(0)); |
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| 38 | EXPECT_GE(tp.tv_nsec, static_cast<decltype(tp.tv_nsec)>(0)); |
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| 39 | } |
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| 40 | |
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| 41 | TEST(LlvmLibcClockGetRes, ProcessCpuTime) { |
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| 42 | timespec tp; |
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| 43 | ASSERT_THAT(LIBC_NAMESPACE::clock_getres(CLOCK_PROCESS_CPUTIME_ID, &tp), |
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| 44 | Succeeds()); |
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| 45 | EXPECT_GE(tp.tv_sec, static_cast<decltype(tp.tv_sec)>(0)); |
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| 46 | EXPECT_GE(tp.tv_nsec, static_cast<decltype(tp.tv_nsec)>(0)); |
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| 47 | } |
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| 48 | |
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| 49 | TEST(LlvmLibcClockGetRes, ThreadCpuTime) { |
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| 50 | timespec tp; |
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| 51 | ASSERT_THAT(LIBC_NAMESPACE::clock_getres(CLOCK_THREAD_CPUTIME_ID, &tp), |
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| 52 | Succeeds()); |
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| 53 | EXPECT_GE(tp.tv_sec, static_cast<decltype(tp.tv_sec)>(0)); |
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| 54 | EXPECT_GE(tp.tv_nsec, static_cast<decltype(tp.tv_nsec)>(0)); |
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| 55 | } |
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| 56 | |
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