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e1d7b23915
Bug: None Change-Id: I3c6da916ce5f4a32ff47bfb0894b00f11fbf7823 Reviewed-on: https://webrtc-review.googlesource.com/86605 Commit-Queue: Ying Wang <yinwa@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24008}
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/congestion_controller/congestion_window_pushback_controller.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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using testing::_;
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namespace webrtc {
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namespace test {
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class CongestionWindowPushbackControllerTest : public ::testing::Test {
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protected:
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CongestionWindowPushbackController cwnd_controller_;
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};
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TEST_F(CongestionWindowPushbackControllerTest, FullCongestionWindow) {
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cwnd_controller_.UpdateOutstandingData(100000);
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cwnd_controller_.UpdateMaxOutstandingData(50000);
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uint32_t bitrate_bps = 80000;
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bitrate_bps = cwnd_controller_.UpdateTargetBitrate(bitrate_bps);
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EXPECT_EQ(72000u, bitrate_bps);
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cwnd_controller_.UpdateMaxOutstandingData(50000);
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bitrate_bps = cwnd_controller_.UpdateTargetBitrate(bitrate_bps);
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EXPECT_EQ(static_cast<uint32_t>(72000 * 0.9 * 0.9), bitrate_bps);
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}
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TEST_F(CongestionWindowPushbackControllerTest, NormalCongestionWindow) {
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cwnd_controller_.UpdateOutstandingData(100000);
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cwnd_controller_.SetDataWindow(DataSize::bytes(200000));
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uint32_t bitrate_bps = 80000;
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bitrate_bps = cwnd_controller_.UpdateTargetBitrate(bitrate_bps);
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EXPECT_EQ(80000u, bitrate_bps);
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cwnd_controller_.UpdateMaxOutstandingData(20000);
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bitrate_bps = cwnd_controller_.UpdateTargetBitrate(bitrate_bps);
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EXPECT_EQ(80000u, bitrate_bps);
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}
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TEST_F(CongestionWindowPushbackControllerTest, LowBitrate) {
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cwnd_controller_.UpdateOutstandingData(100000);
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cwnd_controller_.SetDataWindow(DataSize::bytes(50000));
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uint32_t bitrate_bps = 35000;
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bitrate_bps = cwnd_controller_.UpdateTargetBitrate(bitrate_bps);
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EXPECT_EQ(static_cast<uint32_t>(35000 * 0.9), bitrate_bps);
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cwnd_controller_.UpdateMaxOutstandingData(20000);
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bitrate_bps = cwnd_controller_.UpdateTargetBitrate(bitrate_bps);
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EXPECT_EQ(30000u, bitrate_bps);
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}
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} // namespace test
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} // namespace webrtc
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