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53b40027f6
Summary: Original commit changeset: 22ada4f25d56 Reviewed By: lnicco Differential Revision: D16951700 fbshipit-source-id: 6370b6c6e348aa18b63a008ad14ef2f7d0336d98
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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#include <quic/congestion_control/CongestionControlFunctions.h>
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#include <folly/portability/GTest.h>
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#include <quic/QuicConstants.h>
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#include <quic/state/StateData.h>
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using namespace quic;
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using namespace testing;
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namespace quic {
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namespace test {
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class CongestionControlFunctionsTest : public Test {};
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TEST_F(CongestionControlFunctionsTest, CalculatePacingRate) {
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QuicConnectionStateBase conn(QuicNodeType::Client);
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conn.udpSendPacketLen = 1;
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std::chrono::microseconds rtt(1000 * 100);
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auto result = calculatePacingRate(
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conn, 50, conn.transportSettings.minCwndInMss, 10ms, rtt);
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EXPECT_EQ(10ms, result.first);
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EXPECT_EQ(5, result.second);
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auto result2 = calculatePacingRate(
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conn, 300, conn.transportSettings.minCwndInMss, 1ms, rtt);
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EXPECT_EQ(1ms, result2.first);
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EXPECT_EQ(3, result2.second);
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}
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TEST_F(CongestionControlFunctionsTest, MinPacingRate) {
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QuicConnectionStateBase conn(QuicNodeType::Client);
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conn.udpSendPacketLen = 1;
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auto result = calculatePacingRate(
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conn, 100, conn.transportSettings.minCwndInMss, 1ms, 100000us);
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EXPECT_EQ(1ms, result.first);
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EXPECT_EQ(1, result.second);
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}
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TEST_F(CongestionControlFunctionsTest, SmallCwnd) {
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QuicConnectionStateBase conn(QuicNodeType::Client);
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conn.udpSendPacketLen = 1;
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auto result = calculatePacingRate(
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conn, 10, conn.transportSettings.minCwndInMss, 1ms, 100000us);
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EXPECT_EQ(10ms, result.first);
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EXPECT_EQ(1, result.second);
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}
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TEST_F(CongestionControlFunctionsTest, RttSmallerThanInterval) {
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QuicConnectionStateBase conn(QuicNodeType::Client);
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conn.udpSendPacketLen = 1;
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auto result = calculatePacingRate(
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conn, 10, conn.transportSettings.minCwndInMss, 10ms, 1ms);
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EXPECT_EQ(std::chrono::milliseconds::zero(), result.first);
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EXPECT_EQ(
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conn.transportSettings.writeConnectionDataPacketsLimit, result.second);
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}
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} // namespace test
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} // namespace quic
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