2f2971c6f3
rewrote it a bit. Review URL: http://webrtc-codereview.appspot.com/41001 git-svn-id: http://webrtc.googlecode.com/svn/trunk@103 4adac7df-926f-26a2-2b94-8c16560cd09d
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* Copyright (c) 2011 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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/*
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* This file includes unit tests for the bandwidth estimation and management
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*/
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#include <gtest/gtest.h>
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#include "typedefs.h"
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#include "Bitrate.h"
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namespace {
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using webrtc::BitRateStats;
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class BitRateStatsTest : public ::testing::Test
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{
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protected:
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BitRateStatsTest() {};
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BitRateStats bitRate;
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};
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TEST_F(BitRateStatsTest, TestStrictMode)
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{
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WebRtc_Word64 nowMs = 0;
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// Should be initialized to 0.
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EXPECT_EQ(0, bitRate.BitRate(nowMs));
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bitRate.Update(1500, nowMs);
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// Expecting 12 kbps given a 1000 window with one 1500 bytes packet.
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EXPECT_EQ(12000, bitRate.BitRate(nowMs));
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bitRate.Init();
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// Expecting 0 after init.
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EXPECT_EQ(0, bitRate.BitRate(nowMs));
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for (int i = 0; i < 100000; ++i)
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{
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if (nowMs % 10 == 0)
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bitRate.Update(1500, nowMs);
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// Approximately 1200 kbps expected. Not exact since when packets
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// are removed we will jump 10 ms to the next packet.
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if (nowMs > 0 && nowMs % 2000 == 0)
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EXPECT_NEAR(1200000, bitRate.BitRate(nowMs), 6000);
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nowMs += 1;
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}
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nowMs += 2000;
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// The window is 2 seconds. If nothing has been received for that time
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// the estimate should be 0.
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EXPECT_EQ(0, bitRate.BitRate(nowMs));
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}
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}
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