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// Copyright 2013 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_alarm.h"
#include "base/logging.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::Return;
using testing::Invoke;
namespace net {
namespace test {
namespace {
class MockDelegate : public QuicAlarm::Delegate {
public:
MOCK_METHOD0(OnAlarm, QuicTime());
};
class TestAlarm : public QuicAlarm {
public:
explicit TestAlarm(QuicAlarm::Delegate* delegate) : QuicAlarm(delegate) {}
bool scheduled() const { return scheduled_; }
void FireAlarm() {
scheduled_ = false;
Fire();
}
protected:
void SetImpl() override {
DCHECK(deadline().IsInitialized());
scheduled_ = true;
}
void CancelImpl() override {
DCHECK(!deadline().IsInitialized());
scheduled_ = false;
}
private:
bool scheduled_;
};
class QuicAlarmTest : public ::testing::Test {
public:
QuicAlarmTest()
: delegate_(new MockDelegate()),
alarm_(delegate_),
deadline_(QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(7))),
deadline2_(QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(14))),
new_deadline_(QuicTime::Zero()) {
}
void ResetAlarm() {
alarm_.Set(new_deadline_);
}
MockDelegate* delegate_; // not owned
TestAlarm alarm_;
QuicTime deadline_;
QuicTime deadline2_;
QuicTime new_deadline_;
};
TEST_F(QuicAlarmTest, IsSet) {
EXPECT_FALSE(alarm_.IsSet());
}
TEST_F(QuicAlarmTest, Set) {
QuicTime deadline = QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(7));
alarm_.Set(deadline);
EXPECT_TRUE(alarm_.IsSet());
EXPECT_TRUE(alarm_.scheduled());
EXPECT_EQ(deadline, alarm_.deadline());
}
TEST_F(QuicAlarmTest, Cancel) {
QuicTime deadline = QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(7));
alarm_.Set(deadline);
alarm_.Cancel();
EXPECT_FALSE(alarm_.IsSet());
EXPECT_FALSE(alarm_.scheduled());
EXPECT_EQ(QuicTime::Zero(), alarm_.deadline());
}
TEST_F(QuicAlarmTest, Update) {
QuicTime deadline = QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(7));
alarm_.Set(deadline);
QuicTime new_deadline = QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(8));
alarm_.Update(new_deadline, QuicTime::Delta::Zero());
EXPECT_TRUE(alarm_.IsSet());
EXPECT_TRUE(alarm_.scheduled());
EXPECT_EQ(new_deadline, alarm_.deadline());
}
TEST_F(QuicAlarmTest, UpdateWithZero) {
QuicTime deadline = QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(7));
alarm_.Set(deadline);
alarm_.Update(QuicTime::Zero(), QuicTime::Delta::Zero());
EXPECT_FALSE(alarm_.IsSet());
EXPECT_FALSE(alarm_.scheduled());
EXPECT_EQ(QuicTime::Zero(), alarm_.deadline());
}
TEST_F(QuicAlarmTest, Fire) {
QuicTime deadline = QuicTime::Zero().Add(QuicTime::Delta::FromSeconds(7));
alarm_.Set(deadline);
EXPECT_CALL(*delegate_, OnAlarm()).WillOnce(Return(QuicTime::Zero()));
alarm_.FireAlarm();
EXPECT_FALSE(alarm_.IsSet());
EXPECT_FALSE(alarm_.scheduled());
EXPECT_EQ(QuicTime::Zero(), alarm_.deadline());
}
TEST_F(QuicAlarmTest, FireAndResetViaReturn) {
alarm_.Set(deadline_);
EXPECT_CALL(*delegate_, OnAlarm()).WillOnce(Return(deadline2_));
alarm_.FireAlarm();
EXPECT_TRUE(alarm_.IsSet());
EXPECT_TRUE(alarm_.scheduled());
EXPECT_EQ(deadline2_, alarm_.deadline());
}
TEST_F(QuicAlarmTest, FireAndResetViaSet) {
alarm_.Set(deadline_);
new_deadline_ = deadline2_;
EXPECT_CALL(*delegate_, OnAlarm()).WillOnce(DoAll(
Invoke(this, &QuicAlarmTest::ResetAlarm),
Return(QuicTime::Zero())));
alarm_.FireAlarm();
EXPECT_TRUE(alarm_.IsSet());
EXPECT_TRUE(alarm_.scheduled());
EXPECT_EQ(deadline2_, alarm_.deadline());
}
} // namespace
} // namespace test
} // namespace net
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