42 lines · cpp
1//===-- Unittests for getitimer -------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM4// Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#include "hdr/types/struct_itimerval.h"11#include "src/sys/time/getitimer.h"12#include "test/UnitTest/ErrnoCheckingTest.h"13#include "test/UnitTest/ErrnoSetterMatcher.h"14#include "test/UnitTest/Test.h"15 16using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;17using LlvmLibcSysTimeGetitimerTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;18 19TEST_F(LlvmLibcSysTimeGetitimerTest, SmokeTest) {20 struct itimerval timer;21 timer.it_value.tv_sec = -1;22 timer.it_value.tv_usec = -1;23 timer.it_interval.tv_sec = -1;24 timer.it_interval.tv_usec = -1;25 26 ASSERT_THAT(LIBC_NAMESPACE::getitimer(0, &timer),27 returns(EQ(0)).with_errno(EQ(0)));28 29 ASSERT_TRUE(timer.it_value.tv_sec == 0);30 ASSERT_TRUE(timer.it_value.tv_usec == 0);31 ASSERT_TRUE(timer.it_interval.tv_sec == 0);32 ASSERT_TRUE(timer.it_interval.tv_usec == 0);33}34 35TEST_F(LlvmLibcSysTimeGetitimerTest, InvalidRetTest) {36 struct itimerval timer;37 38 // out of range timer type (which)39 ASSERT_THAT(LIBC_NAMESPACE::getitimer(99, &timer),40 returns(NE(0)).with_errno(NE(0)));41}42