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// Copyright (c) 2019 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/third_party/quiche/src/quic/core/quic_packet_number.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
namespace quic {
namespace test {
namespace {
TEST(QuicPacketNumberTest, BasicTest) {
QuicPacketNumber num;
EXPECT_FALSE(num.IsInitialized());
QuicPacketNumber num2(10);
EXPECT_TRUE(num2.IsInitialized());
EXPECT_EQ(10u, num2.ToUint64());
EXPECT_EQ(10u, num2.Hash());
num2.UpdateMax(num);
EXPECT_EQ(10u, num2.ToUint64());
num2.UpdateMax(QuicPacketNumber(9));
EXPECT_EQ(10u, num2.ToUint64());
num2.UpdateMax(QuicPacketNumber(11));
EXPECT_EQ(11u, num2.ToUint64());
num2.Clear();
EXPECT_FALSE(num2.IsInitialized());
num2.UpdateMax(QuicPacketNumber(9));
EXPECT_EQ(9u, num2.ToUint64());
QuicPacketNumber num4(0);
EXPECT_TRUE(num4.IsInitialized());
EXPECT_EQ(0u, num4.ToUint64());
EXPECT_EQ(0u, num4.Hash());
num4.Clear();
EXPECT_FALSE(num4.IsInitialized());
}
TEST(QuicPacketNumberTest, Operators) {
QuicPacketNumber num(100);
EXPECT_EQ(QuicPacketNumber(100), num++);
EXPECT_EQ(QuicPacketNumber(101), num);
EXPECT_EQ(QuicPacketNumber(101), num--);
EXPECT_EQ(QuicPacketNumber(100), num);
EXPECT_EQ(QuicPacketNumber(101), ++num);
EXPECT_EQ(QuicPacketNumber(100), --num);
QuicPacketNumber num3(0);
EXPECT_EQ(QuicPacketNumber(0), num3++);
EXPECT_EQ(QuicPacketNumber(1), num3);
EXPECT_EQ(QuicPacketNumber(2), ++num3);
EXPECT_EQ(QuicPacketNumber(2), num3--);
EXPECT_EQ(QuicPacketNumber(1), num3);
EXPECT_EQ(QuicPacketNumber(0), --num3);
}
} // namespace
} // namespace test
} // namespace quic
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