Increase test timeout to combat flakiness.

webrtc/modules/video_coding/utility/quality_scaler_unittest.cc

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/modules/video_coding/utility/quality_scaler.h"
 
 #include <memory>
 
 #include "webrtc/base/event.h"
 #include "webrtc/base/task_queue.h"
 #include "webrtc/test/gmock.h"
 #include "webrtc/test/gtest.h"
 
 namespace webrtc {
 namespace {
 static const int kFramerate = 30;
 static const int kLowQp = 15;
 static const int kLowQpThreshold = 18;
 static const int kHighQp = 40;
-static const size_t kDefaultTimeoutMs = 1000;
+static const size_t kDefaultTimeoutMs = 150;
 }  // namespace
 
 class MockScaleObserver : public ScalingObserverInterface {
  public:
   MockScaleObserver() : event(false, false) {}
   virtual ~MockScaleObserver() {}
 
   void ScaleUp(ScaleReason r) override {
     scaled_up++;
     event.Set();
@@ skipping 66 matching lines @@
     }
   }
 
   std::unique_ptr<rtc::TaskQueue> q_;
   std::unique_ptr<QualityScaler> qs_;
   std::unique_ptr<MockScaleObserver> observer_;
 };
 
 TEST_F(QualityScalerTest, DownscalesAfterContinuousFramedrop) {
   q_->PostTask([this] { TriggerScale(kScaleDown); });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(1, observer_->scaled_down);
 }
 
 TEST_F(QualityScalerTest, KeepsScaleAtHighQp) {
   q_->PostTask([this] { TriggerScale(kKeepScaleAtHighQp); });
-  EXPECT_FALSE(observer_->event.Wait(50));
+  EXPECT_FALSE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(0, observer_->scaled_down);
   EXPECT_EQ(0, observer_->scaled_up);
 }
 
 TEST_F(QualityScalerTest, DownscalesAboveHighQp) {
   q_->PostTask([this] { TriggerScale(kScaleDownAboveHighQp); });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(1, observer_->scaled_down);
   EXPECT_EQ(0, observer_->scaled_up);
 }
 
 TEST_F(QualityScalerTest, DownscalesAfterTwoThirdsFramedrop) {
   q_->PostTask([this] {
     qs_->ReportDroppedFrame();
     qs_->ReportDroppedFrame();
     qs_->ReportQP(kHighQp);
   });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(1, observer_->scaled_down);
   EXPECT_EQ(0, observer_->scaled_up);
 }
 
 TEST_F(QualityScalerTest, DoesNotDownscaleOnNormalQp) {
   q_->PostTask([this] { TriggerScale(kScaleDownAboveHighQp); });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(1, observer_->scaled_down);
   EXPECT_EQ(0, observer_->scaled_up);
 }
 
 TEST_F(QualityScalerTest, DoesNotDownscaleAfterHalfFramedrop) {
   q_->PostTask([this] {
     qs_->ReportDroppedFrame();
     qs_->ReportQP(kHighQp);
   });
-  EXPECT_FALSE(observer_->event.Wait(50));
+  EXPECT_FALSE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(0, observer_->scaled_down);
   EXPECT_EQ(0, observer_->scaled_up);
 }
 
 TEST_F(QualityScalerTest, UpscalesAfterLowQp) {
   q_->PostTask([this] { TriggerScale(kScaleUp); });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(0, observer_->scaled_down);
   EXPECT_EQ(1, observer_->scaled_up);
 }
 
 TEST_F(QualityScalerTest, ScalesDownAndBackUp) {
   q_->PostTask([this] { TriggerScale(kScaleDown); });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(1, observer_->scaled_down);
   EXPECT_EQ(0, observer_->scaled_up);
   q_->PostTask([this] { TriggerScale(kScaleUp); });
-  EXPECT_TRUE(observer_->event.Wait(50));
+  EXPECT_TRUE(observer_->event.Wait(kDefaultTimeoutMs));
   EXPECT_EQ(1, observer_->scaled_down);
   EXPECT_EQ(1, observer_->scaled_up);
 }
 
 }  // namespace webrtc