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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 <stddef.h>
#include "base/memory/scoped_ptr.h"
#include "base/test/test_simple_task_runner.h"
#include "content/renderer/media/mock_data_channel_impl.h"
#include "content/renderer/media/rtc_data_channel_handler.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/platform/WebRTCDataChannelHandlerClient.h"
namespace content {
class MockDataChannelHandlerClient :
public blink::WebRTCDataChannelHandlerClient {
public:
MockDataChannelHandlerClient() : state_(ReadyStateConnecting) {}
void didChangeReadyState(ReadyState state) override { state_ = state; }
void didDecreaseBufferedAmount(unsigned previous_amount) override {}
void didReceiveStringData(const blink::WebString& s) override {}
void didReceiveRawData(const char* data, size_t size) override {}
void didDetectError() override {}
ReadyState ready_state() const { return state_; }
private:
ReadyState state_;
};
class RtcDataChannelHandlerTest : public ::testing::Test {
public:
RtcDataChannelHandlerTest() {
signaling_thread_ = new base::TestSimpleTaskRunner();
}
void SetUp() override {
channel_ = new rtc::RefCountedObject<MockDataChannel>("test", &config);
}
void TearDown() override {
handler_.reset();
channel_ = nullptr;
signaling_thread_->ClearPendingTasks();
}
webrtc::DataChannelInit config;
scoped_refptr<base::TestSimpleTaskRunner> signaling_thread_;
scoped_refptr<MockDataChannel> channel_;
scoped_ptr<RtcDataChannelHandler> handler_;
};
// Add a client, change to the open state, and verify that the client has
// reached the open state.
TEST_F(RtcDataChannelHandlerTest, SetClient) {
handler_.reset(new RtcDataChannelHandler(signaling_thread_, channel_.get()));
MockDataChannelHandlerClient blink_channel;
handler_->setClient(&blink_channel);
channel_->changeState(webrtc::DataChannelInterface::kOpen);
signaling_thread_->RunPendingTasks();
EXPECT_EQ(MockDataChannelHandlerClient::ReadyStateOpen,
blink_channel.ready_state());
}
// Check that state() returns the expected default initial value.
TEST_F(RtcDataChannelHandlerTest, InitialState) {
handler_.reset(new RtcDataChannelHandler(signaling_thread_, channel_.get()));
EXPECT_EQ(MockDataChannelHandlerClient::ReadyStateConnecting,
handler_->state());
}
// Check that state() returns the expected value when the channel opens early.
TEST_F(RtcDataChannelHandlerTest, StateEarlyOpen) {
channel_->changeState(webrtc::DataChannelInterface::kOpen);
signaling_thread_->RunPendingTasks();
handler_.reset(new RtcDataChannelHandler(signaling_thread_, channel_.get()));
EXPECT_EQ(MockDataChannelHandlerClient::ReadyStateOpen,
handler_->state());
}
} // namespace content
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