Index: content/browser/renderer_host/fullscreen_jank_detector_unittest.cc |
diff --git a/content/browser/renderer_host/fullscreen_jank_detector_unittest.cc b/content/browser/renderer_host/fullscreen_jank_detector_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1bd9f146249372aa535e89a332dcf0c6052f5ce6 |
--- /dev/null |
+++ b/content/browser/renderer_host/fullscreen_jank_detector_unittest.cc |
@@ -0,0 +1,79 @@ |
+// Copyright (c) 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "content/browser/renderer_host/fullscreen_jank_detector.h" |
+ |
+#include "base/macros.h" |
+#include "base/memory/ptr_util.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace content { |
+ |
+namespace { |
+ |
+const gfx::Size size1 = gfx::Size(1, 2); |
+const gfx::Size size2 = gfx::Size(2, 1); |
+ |
+} // anonymous namespace |
+ |
+class FullscreenJankDetectorTest : public ::testing::Test { |
+ public: |
+ FullscreenJankDetectorTest() {} |
+ ~FullscreenJankDetectorTest() override {} |
+ |
+ void SetUp() override { InitializeState(); } |
+ |
+ protected: |
+ FullscreenJankDetector detector_; |
+ |
+ private: |
+ void InitializeState() { |
+ detector_.OnPhysicalBackingSizeChanged(size1); |
+ detector_.OnFrameMetadataUpdated(false, size1); |
+ EXPECT_FALSE(detector_.IsInFullscreenTransition()); |
+ } |
+ |
+ DISALLOW_COPY_AND_ASSIGN(FullscreenJankDetectorTest); |
+}; |
+ |
+TEST_F(FullscreenJankDetectorTest, ChangingSizeWhileNotFullscreenIsNotJank) { |
+ detector_.OnPhysicalBackingSizeChanged(size2); |
+ EXPECT_FALSE(detector_.IsInFullscreenTransition()); |
+} |
+ |
+TEST_F(FullscreenJankDetectorTest, EnterFullscreenRotateExitFullscreen) { |
+ // Entering fullscreen is jank. |
+ detector_.OnFullscreenStateChanged(true); |
+ EXPECT_TRUE(detector_.IsInFullscreenTransition()); |
+ |
+ // We received a new view size, but the frame size doesn't match. |
+ detector_.OnPhysicalBackingSizeChanged(size2); |
+ EXPECT_TRUE(detector_.IsInFullscreenTransition()); |
+ |
+ // We received a new frame with the correct size and fullscreen state. |
+ detector_.OnFrameMetadataUpdated(true, size2); |
+ EXPECT_FALSE(detector_.IsInFullscreenTransition()); |
+ |
+ // View size rotates. |
+ detector_.OnPhysicalBackingSizeChanged(size1); |
+ EXPECT_TRUE(detector_.IsInFullscreenTransition()); |
+ |
+ // Frame size catches up. |
+ detector_.OnFrameMetadataUpdated(true, size1); |
+ EXPECT_FALSE(detector_.IsInFullscreenTransition()); |
+ |
+ // Exiting fullscreen is jank. |
+ detector_.OnFullscreenStateChanged(false); |
+ EXPECT_TRUE(detector_.IsInFullscreenTransition()); |
+ |
+ // New view size. |
+ detector_.OnPhysicalBackingSizeChanged(size2); |
+ EXPECT_TRUE(detector_.IsInFullscreenTransition()); |
+ |
+ // Correctly-sized frame. |
+ detector_.OnFrameMetadataUpdated(false, size2); |
+ EXPECT_FALSE(detector_.IsInFullscreenTransition()); |
+} |
+ |
+} // namespace content |