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// Copyright (c) 2015 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_alarm_factory.h"
#include "net/tools/quic/quic_epoll_clock.h"
#include "net/tools/quic/test_tools/mock_epoll_server.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
namespace {
class TestDelegate : public QuicAlarm::Delegate {
public:
TestDelegate() : fired_(false) {}
void OnAlarm() override { fired_ = true; }
bool fired() const { return fired_; }
private:
bool fired_;
};
// The boolean parameter denotes whether or not to use an arena.
class QuicEpollAlarmFactoryTest : public ::testing::TestWithParam<bool> {
protected:
QuicEpollAlarmFactoryTest()
: clock_(&epoll_server_), alarm_factory_(&epoll_server_) {}
QuicConnectionArena* GetArenaParam() {
return GetParam() ? &arena_ : nullptr;
}
const QuicEpollClock clock_;
QuicEpollAlarmFactory alarm_factory_;
test::MockEpollServer epoll_server_;
QuicConnectionArena arena_;
};
TEST_P(QuicEpollAlarmFactoryTest, CreateAlarm) {
QuicArenaScopedPtr<TestDelegate> delegate =
QuicArenaScopedPtr<TestDelegate>(new TestDelegate());
QuicArenaScopedPtr<QuicAlarm> alarm(
alarm_factory_.CreateAlarm(std::move(delegate), GetArenaParam()));
QuicTime start = clock_.Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(start + delta);
epoll_server_.AdvanceByAndWaitForEventsAndExecuteCallbacks(
delta.ToMicroseconds());
EXPECT_EQ(start + delta, clock_.Now());
}
TEST_P(QuicEpollAlarmFactoryTest, CreateAlarmAndCancel) {
QuicArenaScopedPtr<TestDelegate> delegate =
QuicArenaScopedPtr<TestDelegate>(new TestDelegate());
TestDelegate* unowned_delegate = delegate.get();
QuicArenaScopedPtr<QuicAlarm> alarm(
alarm_factory_.CreateAlarm(std::move(delegate), GetArenaParam()));
QuicTime start = clock_.Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(start + delta);
alarm->Cancel();
epoll_server_.AdvanceByExactlyAndCallCallbacks(delta.ToMicroseconds());
EXPECT_EQ(start + delta, clock_.Now());
EXPECT_FALSE(unowned_delegate->fired());
}
TEST_P(QuicEpollAlarmFactoryTest, CreateAlarmAndReset) {
QuicArenaScopedPtr<TestDelegate> delegate =
QuicArenaScopedPtr<TestDelegate>(new TestDelegate());
TestDelegate* unowned_delegate = delegate.get();
QuicArenaScopedPtr<QuicAlarm> alarm(
alarm_factory_.CreateAlarm(std::move(delegate), GetArenaParam()));
QuicTime start = clock_.Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock_.Now() + delta);
alarm->Cancel();
QuicTime::Delta new_delta = QuicTime::Delta::FromMicroseconds(3);
alarm->Set(clock_.Now() + new_delta);
epoll_server_.AdvanceByExactlyAndCallCallbacks(delta.ToMicroseconds());
EXPECT_EQ(start + delta, clock_.Now());
EXPECT_FALSE(unowned_delegate->fired());
epoll_server_.AdvanceByExactlyAndCallCallbacks(
(new_delta - delta).ToMicroseconds());
EXPECT_EQ(start + new_delta, clock_.Now());
EXPECT_TRUE(unowned_delegate->fired());
}
TEST_P(QuicEpollAlarmFactoryTest, CreateAlarmAndUpdate) {
QuicArenaScopedPtr<TestDelegate> delegate =
QuicArenaScopedPtr<TestDelegate>(new TestDelegate());
TestDelegate* unowned_delegate = delegate.get();
QuicArenaScopedPtr<QuicAlarm> alarm(
alarm_factory_.CreateAlarm(std::move(delegate), GetArenaParam()));
QuicTime start = clock_.Now();
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock_.Now() + delta);
QuicTime::Delta new_delta = QuicTime::Delta::FromMicroseconds(3);
alarm->Update(clock_.Now() + new_delta, QuicTime::Delta::FromMicroseconds(1));
epoll_server_.AdvanceByExactlyAndCallCallbacks(delta.ToMicroseconds());
EXPECT_EQ(start + delta, clock_.Now());
EXPECT_FALSE(unowned_delegate->fired());
// Move the alarm forward 1us and ensure it doesn't move forward.
alarm->Update(clock_.Now() + new_delta, QuicTime::Delta::FromMicroseconds(2));
epoll_server_.AdvanceByExactlyAndCallCallbacks(
(new_delta - delta).ToMicroseconds());
EXPECT_EQ(start + new_delta, clock_.Now());
EXPECT_TRUE(unowned_delegate->fired());
// Set the alarm via an update call.
new_delta = QuicTime::Delta::FromMicroseconds(5);
alarm->Update(clock_.Now() + new_delta, QuicTime::Delta::FromMicroseconds(1));
EXPECT_TRUE(alarm->IsSet());
// Update it with an uninitialized time and ensure it's cancelled.
alarm->Update(QuicTime::Zero(), QuicTime::Delta::FromMicroseconds(1));
EXPECT_FALSE(alarm->IsSet());
}
} // namespace
} // namespace test
} // namespace net
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