58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
//===-- Unittests for setitimer -------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM
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// Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "hdr/types/struct_itimerval.h"
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#include "hdr/types/struct_sigaction.h"
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#include "src/signal/sigaction.h"
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#include "src/signal/sigemptyset.h"
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#include "src/sys/time/setitimer.h"
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#include "test/UnitTest/ErrnoCheckingTest.h"
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#include "test/UnitTest/ErrnoSetterMatcher.h"
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#include "test/UnitTest/Test.h"
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using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
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using LlvmLibcSysTimeSetitimerTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
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static bool timer_fired(false);
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extern "C" void handle_sigalrm(int) { timer_fired = true; }
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TEST_F(LlvmLibcSysTimeSetitimerTest, SmokeTest) {
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LIBC_NAMESPACE::libc_errno = 0;
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struct sigaction sa;
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sa.sa_handler = handle_sigalrm;
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LIBC_NAMESPACE::sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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LIBC_NAMESPACE::sigaction(SIGALRM, &sa, nullptr);
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struct itimerval timer;
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timer.it_value.tv_sec = 0;
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timer.it_value.tv_usec = 200000;
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timer.it_interval.tv_sec = 0;
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timer.it_interval.tv_usec = 0; // One-shot timer
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ASSERT_THAT(LIBC_NAMESPACE::setitimer(0, &timer, nullptr),
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returns(EQ(0)).with_errno(EQ(0)));
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while (true) {
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if (timer_fired)
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break;
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}
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ASSERT_TRUE(timer_fired);
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}
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TEST_F(LlvmLibcSysTimeSetitimerTest, InvalidRetTest) {
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struct itimerval timer;
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// out of range timer type (which)
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ASSERT_THAT(LIBC_NAMESPACE::setitimer(99, &timer, nullptr),
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returns(NE(0)).with_errno(NE(0)));
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}
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