0b8d70a592
This change adds utility functions to test::RunLoop for allowing to waiting. Bug: webrtc:381524905 Change-Id: Idb6bfd8f4b39c9908c95809768fd695fe63e2bbf Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/430681 Auto-Submit: Evan Shrubsole <eshr@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#46432}
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "test/run_loop.h"
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#include "api/environment/environment.h"
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#include "api/task_queue/task_queue_base.h"
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#include "api/units/time_delta.h"
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#include "api/units/timestamp.h"
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#include "test/create_test_environment.h"
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#include "test/gtest.h"
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namespace webrtc {
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TEST(RunLoopTest, TaskQueueOnThread) {
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test::RunLoop loop;
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EXPECT_EQ(TaskQueueBase::Current(), loop.task_queue());
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EXPECT_TRUE(loop.task_queue()->IsCurrent());
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}
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TEST(RunLoopTest, Flush) {
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test::RunLoop loop;
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int counter = 0;
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loop.PostTask([&counter]() { ++counter; });
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EXPECT_EQ(counter, 0);
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loop.Flush();
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EXPECT_EQ(counter, 1);
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}
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TEST(RunLoopTest, Delayed) {
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test::RunLoop loop;
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bool ran = false;
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loop.task_queue()->PostDelayedTask(
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[&ran, &loop]() {
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ran = true;
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loop.Quit();
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},
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TimeDelta::Millis(100));
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loop.Flush();
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EXPECT_FALSE(ran);
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loop.Run();
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EXPECT_TRUE(ran);
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}
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TEST(RunLoopTest, PostAndQuit) {
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test::RunLoop loop;
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bool ran = false;
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loop.PostTask([&ran, &loop]() {
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ran = true;
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loop.Quit();
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});
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loop.Run();
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EXPECT_TRUE(ran);
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}
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TEST(RunLoopTest, RunForWaitsForMaxWaitDurationIfNoQuit) {
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Environment env = CreateTestEnvironment();
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test::RunLoop loop;
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Timestamp start = env.clock().CurrentTime();
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loop.RunFor(TimeDelta::Millis(20));
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EXPECT_GE(env.clock().CurrentTime() - start, TimeDelta::Millis(19));
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}
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TEST(RunLoopTest, RunForQuitsEarlyIfQuitCalled) {
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Environment env = CreateTestEnvironment();
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test::RunLoop loop;
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Timestamp start = env.clock().CurrentTime();
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loop.task_queue()->PostDelayedHighPrecisionTask(loop.QuitClosure(),
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TimeDelta::Millis(10));
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loop.RunFor(TimeDelta::Millis(20));
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EXPECT_LE(env.clock().CurrentTime() - start, TimeDelta::Millis(11));
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}
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TEST(RunLoopTest, RunForQuitsEarlyAndCancelsQuitCalls) {
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Environment env = CreateTestEnvironment();
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test::RunLoop loop;
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Timestamp start = env.clock().CurrentTime();
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loop.task_queue()->PostDelayedHighPrecisionTask(loop.QuitClosure(),
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TimeDelta::Millis(10));
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loop.RunFor(TimeDelta::Millis(20));
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EXPECT_LE(env.clock().CurrentTime() - start, TimeDelta::Millis(11));
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Timestamp seconds_task_start = env.clock().CurrentTime();
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loop.task_queue()->PostDelayedHighPrecisionTask(loop.QuitClosure(),
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TimeDelta::Millis(100));
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loop.Run();
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// If the old `RunFor` causes the loop to quit then this will be much shorter
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// than 100ms.
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EXPECT_GE(env.clock().CurrentTime() - seconds_task_start,
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TimeDelta::Millis(99));
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}
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} // namespace webrtc
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