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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/tools/quic/quic_epoll_connection_helper.h"
#include "net/quic/crypto/quic_random.h"
#include "net/tools/quic/test_tools/mock_epoll_server.h"
#include "testing/gtest/include/gtest/gtest.h"
using net::tools::test::MockEpollServer;
namespace net {
namespace tools {
namespace test {
namespace {
class TestDelegate : public QuicAlarm::Delegate {
public:
TestDelegate() : fired_(false) {}
virtual QuicTime OnAlarm() OVERRIDE {
fired_ = true;
return QuicTime::Zero();
}
bool fired() const { return fired_; }
private:
bool fired_;
};
class QuicEpollConnectionHelperTest : public ::testing::Test {
protected:
QuicEpollConnectionHelperTest() : helper_(&epoll_server_) {}
MockEpollServer epoll_server_;
QuicEpollConnectionHelper helper_;
};
TEST_F(QuicEpollConnectionHelperTest, GetClock) {
const QuicClock* clock = helper_.GetClock();
QuicTime start = clock->Now();
QuicTime::Delta delta = QuicTime::Delta::FromMilliseconds(5);
epoll_server_.AdvanceBy(delta.ToMicroseconds());
EXPECT_EQ(start.Add(delta), clock->Now());
}
TEST_F(QuicEpollConnectionHelperTest, GetRandomGenerator) {
QuicRandom* random = helper_.GetRandomGenerator();
EXPECT_EQ(QuicRandom::GetInstance(), random);
}
TEST_F(QuicEpollConnectionHelperTest, CreateAlarm) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
const QuicClock* clock = helper_.GetClock();
QuicTime start = clock->Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(start.Add(delta));
epoll_server_.AdvanceByAndCallCallbacks(delta.ToMicroseconds());
EXPECT_EQ(start.Add(delta), clock->Now());
}
TEST_F(QuicEpollConnectionHelperTest, CreateAlarmAndCancel) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
const QuicClock* clock = helper_.GetClock();
QuicTime start = clock->Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(start.Add(delta));
alarm->Cancel();
epoll_server_.AdvanceByExactlyAndCallCallbacks(delta.ToMicroseconds());
EXPECT_EQ(start.Add(delta), clock->Now());
EXPECT_FALSE(delegate->fired());
}
TEST_F(QuicEpollConnectionHelperTest, CreateAlarmAndReset) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
const QuicClock* clock = helper_.GetClock();
QuicTime start = clock->Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock->Now().Add(delta));
alarm->Cancel();
QuicTime::Delta new_delta = QuicTime::Delta::FromMicroseconds(3);
alarm->Set(clock->Now().Add(new_delta));
epoll_server_.AdvanceByExactlyAndCallCallbacks(delta.ToMicroseconds());
EXPECT_EQ(start.Add(delta), clock->Now());
EXPECT_FALSE(delegate->fired());
epoll_server_.AdvanceByExactlyAndCallCallbacks(
new_delta.Subtract(delta).ToMicroseconds());
EXPECT_EQ(start.Add(new_delta), clock->Now());
EXPECT_TRUE(delegate->fired());
}
} // namespace
} // namespace test
} // namespace tools
} // namespace net
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