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llvm-mirror/unittests/Support/TimerTest.cpp
Matthias Braun bcd40e41de Timer: Track name and description.
The previously used "names" are rather descriptions (they use multiple
words and contain spaces), use short programming language identifier
like strings for the "names" which should be used when exporting to
machine parseable formats.

Also removed a unused TimerGroup from Hexxagon.

Differential Revision: https://reviews.llvm.org/D25583

llvm-svn: 287369
2016-11-18 19:43:18 +00:00

66 lines
1.3 KiB
C++

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