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/*
* Copyright 2019 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 "pc/jitter_buffer_delay.h"
#include <stdint.h>
#include "absl/types/optional.h"
#include "api/scoped_refptr.h"
#include "pc/test/mock_delayable.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/thread.h"
#include "test/gmock.h"
#include "test/gtest.h"
using ::testing::Return;
namespace {
constexpr int kSsrc = 1234;
} // namespace
namespace webrtc {
class JitterBufferDelayTest : public ::testing::Test {
public:
JitterBufferDelayTest()
: delay_(new rtc::RefCountedObject<JitterBufferDelay>(
rtc::Thread::Current())) {}
protected:
rtc::scoped_refptr<JitterBufferDelayInterface> delay_;
MockDelayable delayable_;
};
TEST_F(JitterBufferDelayTest, Set) {
delay_->OnStart(&delayable_, kSsrc);
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 3000))
.WillOnce(Return(true));
// Delay in seconds.
delay_->Set(3.0);
}
TEST_F(JitterBufferDelayTest, Caching) {
// Check that value is cached before start.
delay_->Set(4.0);
// Check that cached value applied on the start.
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 4000))
.WillOnce(Return(true));
delay_->OnStart(&delayable_, kSsrc);
}
TEST_F(JitterBufferDelayTest, Clamping) {
delay_->OnStart(&delayable_, kSsrc);
// In current Jitter Buffer implementation (Audio or Video) maximum supported
// value is 10000 milliseconds.
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 10000))
.WillOnce(Return(true));
delay_->Set(10.5);
// Test int overflow.
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 10000))
.WillOnce(Return(true));
delay_->Set(21474836470.0);
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 0))
.WillOnce(Return(true));
delay_->Set(-21474836470.0);
// Boundary value in seconds to milliseconds conversion.
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 0))
.WillOnce(Return(true));
delay_->Set(0.0009);
EXPECT_CALL(delayable_, SetBaseMinimumPlayoutDelayMs(kSsrc, 0))
.WillOnce(Return(true));
delay_->Set(-2.0);
}
} // namespace webrtc
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