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66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
//===- unittests/TimerTest.cpp - Timer tests ------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Timer.h"
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#include "gtest/gtest.h"
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#if LLVM_ON_WIN32
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#include <windows.h>
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#else
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#include <time.h>
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#endif
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using namespace llvm;
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namespace {
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// FIXME: Put this somewhere in Support, it's also used in LockFileManager.
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void SleepMS() {
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#if LLVM_ON_WIN32
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Sleep(1);
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#else
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struct timespec Interval;
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Interval.tv_sec = 0;
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Interval.tv_nsec = 1000000;
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nanosleep(&Interval, nullptr);
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#endif
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}
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TEST(Timer, Additivity) {
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Timer T1("T1");
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EXPECT_TRUE(T1.isInitialized());
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T1.startTimer();
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T1.stopTimer();
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auto TR1 = T1.getTotalTime();
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T1.startTimer();
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SleepMS();
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T1.stopTimer();
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auto TR2 = T1.getTotalTime();
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EXPECT_TRUE(TR1 < TR2);
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}
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TEST(Timer, CheckIfTriggered) {
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Timer T1("T1");
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EXPECT_FALSE(T1.hasTriggered());
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T1.startTimer();
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EXPECT_TRUE(T1.hasTriggered());
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T1.stopTimer();
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EXPECT_TRUE(T1.hasTriggered());
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T1.clear();
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EXPECT_FALSE(T1.hasTriggered());
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}
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} // end anon namespace
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