| 1 | //===- unittests/TimerTest.cpp - Timer tests ------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "llvm/Support/Timer.h" |
| 10 | #include "gtest/gtest.h" |
| 11 | |
| 12 | #if _WIN32 |
| 13 | #include <windows.h> |
| 14 | #else |
| 15 | #include <time.h> |
| 16 | #endif |
| 17 | |
| 18 | using namespace llvm; |
| 19 | |
| 20 | namespace { |
| 21 | |
| 22 | // FIXME: Put this somewhere in Support, it's also used in LockFileManager. |
| 23 | void SleepMS() { |
| 24 | #if _WIN32 |
| 25 | Sleep(1); |
| 26 | #else |
| 27 | struct timespec Interval; |
| 28 | Interval.tv_sec = 0; |
| 29 | Interval.tv_nsec = 1000000; |
| 30 | nanosleep(requested_time: &Interval, remaining: nullptr); |
| 31 | #endif |
| 32 | } |
| 33 | |
| 34 | TEST(Timer, Additivity) { |
| 35 | Timer T1("T1", "T1"); |
| 36 | |
| 37 | EXPECT_TRUE(T1.isInitialized()); |
| 38 | |
| 39 | T1.startTimer(); |
| 40 | T1.stopTimer(); |
| 41 | auto TR1 = T1.getTotalTime(); |
| 42 | |
| 43 | T1.startTimer(); |
| 44 | SleepMS(); |
| 45 | T1.stopTimer(); |
| 46 | auto TR2 = T1.getTotalTime(); |
| 47 | |
| 48 | EXPECT_LT(TR1, TR2); |
| 49 | } |
| 50 | |
| 51 | TEST(Timer, CheckIfTriggered) { |
| 52 | Timer T1("T1", "T1"); |
| 53 | |
| 54 | EXPECT_FALSE(T1.hasTriggered()); |
| 55 | T1.startTimer(); |
| 56 | EXPECT_TRUE(T1.hasTriggered()); |
| 57 | T1.stopTimer(); |
| 58 | EXPECT_TRUE(T1.hasTriggered()); |
| 59 | |
| 60 | T1.clear(); |
| 61 | EXPECT_FALSE(T1.hasTriggered()); |
| 62 | } |
| 63 | |
| 64 | } // end anon namespace |
| 65 |