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// Copyright (c) 2012 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 "net/quic/quic_bandwidth.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
class QuicBandwidthTest : public ::testing::Test {
};
TEST_F(QuicBandwidthTest, FromTo) {
EXPECT_EQ(QuicBandwidth::FromKBitsPerSecond(1),
QuicBandwidth::FromBitsPerSecond(1000));
EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1),
QuicBandwidth::FromBytesPerSecond(1000));
EXPECT_EQ(QuicBandwidth::FromBitsPerSecond(8000),
QuicBandwidth::FromBytesPerSecond(1000));
EXPECT_EQ(QuicBandwidth::FromKBitsPerSecond(8),
QuicBandwidth::FromKBytesPerSecond(1));
EXPECT_EQ(0, QuicBandwidth::Zero().ToBitsPerSecond());
EXPECT_EQ(0, QuicBandwidth::Zero().ToKBitsPerSecond());
EXPECT_EQ(0, QuicBandwidth::Zero().ToBytesPerSecond());
EXPECT_EQ(0, QuicBandwidth::Zero().ToKBytesPerSecond());
EXPECT_EQ(1, QuicBandwidth::FromBitsPerSecond(1000).ToKBitsPerSecond());
EXPECT_EQ(1000, QuicBandwidth::FromKBitsPerSecond(1).ToBitsPerSecond());
EXPECT_EQ(1, QuicBandwidth::FromBytesPerSecond(1000).ToKBytesPerSecond());
EXPECT_EQ(1000, QuicBandwidth::FromKBytesPerSecond(1).ToBytesPerSecond());
}
TEST_F(QuicBandwidthTest, Add) {
QuicBandwidth bandwidht_1 = QuicBandwidth::FromKBitsPerSecond(1);
QuicBandwidth bandwidht_2 = QuicBandwidth::FromKBytesPerSecond(1);
EXPECT_EQ(9000, bandwidht_1.Add(bandwidht_2).ToBitsPerSecond());
EXPECT_EQ(9000, bandwidht_2.Add(bandwidht_1).ToBitsPerSecond());
}
TEST_F(QuicBandwidthTest, Subtract) {
QuicBandwidth bandwidht_1 = QuicBandwidth::FromKBitsPerSecond(1);
QuicBandwidth bandwidht_2 = QuicBandwidth::FromKBytesPerSecond(1);
EXPECT_EQ(7000, bandwidht_2.Subtract(bandwidht_1).ToBitsPerSecond());
}
TEST_F(QuicBandwidthTest, TimeDelta) {
EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1000),
QuicBandwidth::FromBytesAndTimeDelta(
1000, QuicTime::Delta::FromMilliseconds(1)));
EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(10),
QuicBandwidth::FromBytesAndTimeDelta(
1000, QuicTime::Delta::FromMilliseconds(100)));
}
TEST_F(QuicBandwidthTest, Scale) {
EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(500),
QuicBandwidth::FromKBytesPerSecond(1000).Scale(0.5f));
EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(750),
QuicBandwidth::FromKBytesPerSecond(1000).Scale(0.75f));
EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1250),
QuicBandwidth::FromKBytesPerSecond(1000).Scale(1.25f));
}
TEST_F(QuicBandwidthTest, BytesPerPeriod) {
EXPECT_EQ(2000u, QuicBandwidth::FromKBytesPerSecond(2000).ToBytesPerPeriod(
QuicTime::Delta::FromMilliseconds(1)));
EXPECT_EQ(2u, QuicBandwidth::FromKBytesPerSecond(2000).ToKBytesPerPeriod(
QuicTime::Delta::FromMilliseconds(1)));
EXPECT_EQ(200000u, QuicBandwidth::FromKBytesPerSecond(2000).ToBytesPerPeriod(
QuicTime::Delta::FromMilliseconds(100)));
EXPECT_EQ(200u, QuicBandwidth::FromKBytesPerSecond(2000).ToKBytesPerPeriod(
QuicTime::Delta::FromMilliseconds(100)));
}
TEST_F(QuicBandwidthTest, TransferTime) {
EXPECT_EQ(QuicTime::Delta::FromSeconds(1),
QuicBandwidth::FromKBytesPerSecond(1).TransferTime(1000));
EXPECT_EQ(QuicTime::Delta::Zero(), QuicBandwidth::Zero().TransferTime(1000));
}
TEST_F(QuicBandwidthTest, RelOps) {
const QuicBandwidth b1 = QuicBandwidth::FromKBitsPerSecond(1);
const QuicBandwidth b2 = QuicBandwidth::FromKBytesPerSecond(2);
EXPECT_EQ(b1, b1);
EXPECT_NE(b1, b2);
EXPECT_LT(b1, b2);
EXPECT_GT(b2, b1);
EXPECT_LE(b1, b1);
EXPECT_LE(b1, b2);
EXPECT_GE(b1, b1);
EXPECT_GE(b2, b1);
}
} // namespace test
} // namespace net
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