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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_time.h"
#include "net/quic/test_tools/mock_clock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
class QuicTimeDeltaTest : public ::testing::Test {
protected:
};
TEST_F(QuicTimeDeltaTest, Zero) {
EXPECT_TRUE(QuicTime::Delta::Zero().IsZero());
EXPECT_FALSE(QuicTime::Delta::Zero().IsInfinite());
EXPECT_FALSE(QuicTime::Delta::FromMilliseconds(1).IsZero());
}
TEST_F(QuicTimeDeltaTest, Infinite) {
EXPECT_TRUE(QuicTime::Delta::Infinite().IsInfinite());
EXPECT_FALSE(QuicTime::Delta::Zero().IsInfinite());
EXPECT_FALSE(QuicTime::Delta::FromMilliseconds(1).IsInfinite());
}
TEST_F(QuicTimeDeltaTest, FromTo) {
EXPECT_EQ(QuicTime::Delta::FromMilliseconds(1),
QuicTime::Delta::FromMicroseconds(1000));
EXPECT_EQ(QuicTime::Delta::FromSeconds(1),
QuicTime::Delta::FromMilliseconds(1000));
EXPECT_EQ(QuicTime::Delta::FromSeconds(1),
QuicTime::Delta::FromMicroseconds(1000000));
EXPECT_EQ(1, QuicTime::Delta::FromMicroseconds(1000).ToMilliseconds());
EXPECT_EQ(2, QuicTime::Delta::FromMilliseconds(2000).ToSeconds());
EXPECT_EQ(1000, QuicTime::Delta::FromMilliseconds(1).ToMicroseconds());
EXPECT_EQ(1, QuicTime::Delta::FromMicroseconds(1000).ToMilliseconds());
EXPECT_EQ(QuicTime::Delta::FromMilliseconds(2000).ToMicroseconds(),
QuicTime::Delta::FromSeconds(2).ToMicroseconds());
}
TEST_F(QuicTimeDeltaTest, Add) {
EXPECT_EQ(QuicTime::Delta::FromMicroseconds(2000),
QuicTime::Delta::Zero().Add(QuicTime::Delta::FromMilliseconds(2)));
}
TEST_F(QuicTimeDeltaTest, Subtract) {
EXPECT_EQ(QuicTime::Delta::FromMicroseconds(1000),
QuicTime::Delta::FromMilliseconds(2).Subtract(
QuicTime::Delta::FromMilliseconds(1)));
}
class QuicTimeTest : public ::testing::Test {
protected:
MockClock clock_;
};
TEST_F(QuicTimeTest, Initialized) {
EXPECT_FALSE(QuicTime::Zero().IsInitialized());
EXPECT_TRUE(QuicTime::Zero().Add(
QuicTime::Delta::FromMicroseconds(1)).IsInitialized());
}
TEST_F(QuicTimeTest, Add) {
QuicTime time_1 = QuicTime::Zero().Add(
QuicTime::Delta::FromMilliseconds(1));
QuicTime time_2 = QuicTime::Zero().Add(
QuicTime::Delta::FromMilliseconds(2));
QuicTime::Delta diff = time_2.Subtract(time_1);
EXPECT_EQ(QuicTime::Delta::FromMilliseconds(1), diff);
EXPECT_EQ(1000, diff.ToMicroseconds());
EXPECT_EQ(1, diff.ToMilliseconds());
}
TEST_F(QuicTimeTest, Subtract) {
QuicTime time_1 = QuicTime::Zero().Add(
QuicTime::Delta::FromMilliseconds(1));
QuicTime time_2 = QuicTime::Zero().Add(
QuicTime::Delta::FromMilliseconds(2));
EXPECT_EQ(QuicTime::Delta::FromMilliseconds(1), time_2.Subtract(time_1));
}
TEST_F(QuicTimeTest, SubtractDelta) {
QuicTime time = QuicTime::Zero().Add(
QuicTime::Delta::FromMilliseconds(2));
EXPECT_EQ(QuicTime::Zero().Add(QuicTime::Delta::FromMilliseconds(1)),
time.Subtract(QuicTime::Delta::FromMilliseconds(1)));
}
TEST_F(QuicTimeTest, MockClock) {
clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(1));
QuicTime now = clock_.ApproximateNow();
QuicTime time = QuicTime::Zero().Add(QuicTime::Delta::FromMicroseconds(1000));
EXPECT_EQ(now, time);
clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(1));
now = clock_.ApproximateNow();
EXPECT_NE(now, time);
time = time.Add(QuicTime::Delta::FromMilliseconds(1));
EXPECT_EQ(now, time);
}
} // namespace test
} // namespace net
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