1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/test/simple_test_tick_clock.h" 6 #include "content/common/view_messages.h" 7 #include "content/public/test/mock_render_thread.h" 8 #include "content/renderer/media/render_media_log.h" 9 #include "testing/gtest/include/gtest/gtest.h" 10 11 namespace content { 12 13 class RenderMediaLogTest : public testing::Test { 14 public: 15 RenderMediaLogTest() 16 : log_(new RenderMediaLog()), 17 tick_clock_(new base::SimpleTestTickClock()) { 18 log_->SetTickClockForTesting(scoped_ptr<base::TickClock>(tick_clock_)); 19 } 20 21 virtual ~RenderMediaLogTest() {} 22 23 void AddEvent(media::MediaLogEvent::Type type) { 24 log_->AddEvent(log_->CreateEvent(type)); 25 } 26 27 void Advance(base::TimeDelta delta) { tick_clock_->Advance(delta); } 28 29 int message_count() { return render_thread_.sink().message_count(); } 30 31 std::vector<media::MediaLogEvent> GetMediaLogEvents() { 32 const IPC::Message* msg = render_thread_.sink().GetFirstMessageMatching( 33 ViewHostMsg_MediaLogEvents::ID); 34 if (!msg) { 35 ADD_FAILURE() << "Did not find ViewHostMsg_MediaLogEvents IPC message"; 36 return std::vector<media::MediaLogEvent>(); 37 } 38 39 Tuple1<std::vector<media::MediaLogEvent> > events; 40 ViewHostMsg_MediaLogEvents::Read(msg, &events); 41 return events.a; 42 } 43 44 private: 45 MockRenderThread render_thread_; 46 scoped_refptr<RenderMediaLog> log_; 47 base::SimpleTestTickClock* tick_clock_; // Owned by |log_|. 48 49 DISALLOW_COPY_AND_ASSIGN(RenderMediaLogTest); 50 }; 51 52 TEST_F(RenderMediaLogTest, ThrottleSendingEvents) { 53 AddEvent(media::MediaLogEvent::LOAD); 54 EXPECT_EQ(0, message_count()); 55 56 // Still shouldn't send anything. 57 Advance(base::TimeDelta::FromMilliseconds(500)); 58 AddEvent(media::MediaLogEvent::SEEK); 59 EXPECT_EQ(0, message_count()); 60 61 // Now we should expect an IPC. 62 Advance(base::TimeDelta::FromMilliseconds(500)); 63 AddEvent(media::MediaLogEvent::PLAY); 64 EXPECT_EQ(1, message_count()); 65 66 // Verify contents. 67 std::vector<media::MediaLogEvent> events = GetMediaLogEvents(); 68 ASSERT_EQ(3u, events.size()); 69 EXPECT_EQ(media::MediaLogEvent::LOAD, events[0].type); 70 EXPECT_EQ(media::MediaLogEvent::SEEK, events[1].type); 71 EXPECT_EQ(media::MediaLogEvent::PLAY, events[2].type); 72 73 // Adding another event shouldn't send anything. 74 AddEvent(media::MediaLogEvent::PIPELINE_ERROR); 75 EXPECT_EQ(1, message_count()); 76 } 77 78 TEST_F(RenderMediaLogTest, BufferedExtents) { 79 AddEvent(media::MediaLogEvent::LOAD); 80 AddEvent(media::MediaLogEvent::SEEK); 81 82 // This event is handled separately and should always appear last regardless 83 // of how many times we see it. 84 AddEvent(media::MediaLogEvent::BUFFERED_EXTENTS_CHANGED); 85 AddEvent(media::MediaLogEvent::BUFFERED_EXTENTS_CHANGED); 86 AddEvent(media::MediaLogEvent::BUFFERED_EXTENTS_CHANGED); 87 88 // Trigger IPC message. 89 EXPECT_EQ(0, message_count()); 90 Advance(base::TimeDelta::FromMilliseconds(1000)); 91 AddEvent(media::MediaLogEvent::PLAY); 92 EXPECT_EQ(1, message_count()); 93 94 // Verify contents. There should only be a single buffered extents changed 95 // event. 96 std::vector<media::MediaLogEvent> events = GetMediaLogEvents(); 97 ASSERT_EQ(4u, events.size()); 98 EXPECT_EQ(media::MediaLogEvent::LOAD, events[0].type); 99 EXPECT_EQ(media::MediaLogEvent::SEEK, events[1].type); 100 EXPECT_EQ(media::MediaLogEvent::PLAY, events[2].type); 101 EXPECT_EQ(media::MediaLogEvent::BUFFERED_EXTENTS_CHANGED, events[3].type); 102 } 103 104 } // namespace content 105
