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// Copyright 2014 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 "media/cast/logging/simple_event_subscriber.h"
#include <utility>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/test/simple_test_tick_clock.h"
#include "base/time/tick_clock.h"
#include "media/cast/cast_environment.h"
#include "media/cast/logging/logging_defines.h"
#include "media/cast/test/fake_single_thread_task_runner.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace cast {
class SimpleEventSubscriberTest : public ::testing::Test {
protected:
SimpleEventSubscriberTest()
: testing_clock_(new base::SimpleTestTickClock()),
task_runner_(new test::FakeSingleThreadTaskRunner(testing_clock_)),
cast_environment_(
new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_),
task_runner_,
task_runner_,
task_runner_)) {
cast_environment_->logger()->Subscribe(&event_subscriber_);
}
~SimpleEventSubscriberTest() override {
cast_environment_->logger()->Unsubscribe(&event_subscriber_);
}
base::SimpleTestTickClock* testing_clock_; // Owned by CastEnvironment.
scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
scoped_refptr<CastEnvironment> cast_environment_;
SimpleEventSubscriber event_subscriber_;
};
TEST_F(SimpleEventSubscriberTest, GetAndResetEvents) {
// Log some frame events.
scoped_ptr<FrameEvent> encode_event(new FrameEvent());
encode_event->timestamp = testing_clock_->NowTicks();
encode_event->type = FRAME_ENCODED;
encode_event->media_type = AUDIO_EVENT;
encode_event->rtp_timestamp = RtpTimeTicks().Expand(UINT32_C(100));
encode_event->frame_id = 0u;
encode_event->size = 1234;
encode_event->key_frame = true;
encode_event->target_bitrate = 128u;
encode_event->encoder_cpu_utilization = 0.01;
encode_event->idealized_bitrate_utilization = 0.02;
cast_environment_->logger()->DispatchFrameEvent(std::move(encode_event));
scoped_ptr<FrameEvent> playout_event(new FrameEvent());
playout_event->timestamp = testing_clock_->NowTicks();
playout_event->type = FRAME_PLAYOUT;
playout_event->media_type = AUDIO_EVENT;
playout_event->rtp_timestamp = RtpTimeTicks().Expand(UINT32_C(100));
playout_event->frame_id = 0u;
playout_event->delay_delta = base::TimeDelta::FromMilliseconds(100);
cast_environment_->logger()->DispatchFrameEvent(std::move(playout_event));
scoped_ptr<FrameEvent> decode_event(new FrameEvent());
decode_event->timestamp = testing_clock_->NowTicks();
decode_event->type = FRAME_DECODED;
decode_event->media_type = AUDIO_EVENT;
decode_event->rtp_timestamp = RtpTimeTicks().Expand(UINT32_C(200));
decode_event->frame_id = 0u;
cast_environment_->logger()->DispatchFrameEvent(std::move(decode_event));
// Log some packet events.
scoped_ptr<PacketEvent> receive_event(new PacketEvent());
receive_event->timestamp = testing_clock_->NowTicks();
receive_event->type = PACKET_RECEIVED;
receive_event->media_type = AUDIO_EVENT;
receive_event->rtp_timestamp = RtpTimeTicks().Expand(UINT32_C(200));
receive_event->frame_id = 0u;
receive_event->packet_id = 1u;
receive_event->max_packet_id = 5u;
receive_event->size = 100u;
cast_environment_->logger()->DispatchPacketEvent(std::move(receive_event));
receive_event.reset(new PacketEvent());
receive_event->timestamp = testing_clock_->NowTicks();
receive_event->type = PACKET_RECEIVED;
receive_event->media_type = VIDEO_EVENT;
receive_event->rtp_timestamp = RtpTimeTicks().Expand(UINT32_C(200));
receive_event->frame_id = 0u;
receive_event->packet_id = 1u;
receive_event->max_packet_id = 10u;
receive_event->size = 1024u;
cast_environment_->logger()->DispatchPacketEvent(std::move(receive_event));
std::vector<FrameEvent> frame_events;
event_subscriber_.GetFrameEventsAndReset(&frame_events);
EXPECT_EQ(3u, frame_events.size());
std::vector<PacketEvent> packet_events;
event_subscriber_.GetPacketEventsAndReset(&packet_events);
EXPECT_EQ(2u, packet_events.size());
// Calling this function again should result in empty vector because no events
// were logged since last call.
event_subscriber_.GetFrameEventsAndReset(&frame_events);
event_subscriber_.GetPacketEventsAndReset(&packet_events);
EXPECT_TRUE(frame_events.empty());
EXPECT_TRUE(packet_events.empty());
}
} // namespace cast
} // namespace media
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