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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/engine/events/protocol_event_buffer.h"
#include <stdint.h>
#include "base/time/time.h"
#include "components/sync/engine/events/poll_get_updates_request_event.h"
#include "components/sync/engine/events/protocol_event.h"
#include "components/sync/protocol/sync.pb.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace syncer {
class ProtocolEventBufferTest : public ::testing::Test {
public:
ProtocolEventBufferTest();
~ProtocolEventBufferTest() override;
static std::unique_ptr<ProtocolEvent> MakeTestEvent(int64_t id);
static bool HasId(const ProtocolEvent& event, int64_t id);
protected:
ProtocolEventBuffer buffer_;
};
ProtocolEventBufferTest::ProtocolEventBufferTest() = default;
ProtocolEventBufferTest::~ProtocolEventBufferTest() = default;
std::unique_ptr<ProtocolEvent> ProtocolEventBufferTest::MakeTestEvent(
int64_t id) {
sync_pb::ClientToServerMessage message;
return std::make_unique<PollGetUpdatesRequestEvent>(
base::Time::FromDeltaSinceWindowsEpoch(base::Microseconds(id)), message);
}
bool ProtocolEventBufferTest::HasId(const ProtocolEvent& event, int64_t id) {
return event.GetTimestampForTesting() ==
base::Time::FromDeltaSinceWindowsEpoch(base::Microseconds(id));
}
TEST_F(ProtocolEventBufferTest, AddThenReturnEvents) {
std::unique_ptr<ProtocolEvent> e1(MakeTestEvent(1));
std::unique_ptr<ProtocolEvent> e2(MakeTestEvent(2));
buffer_.RecordProtocolEvent(*e1);
buffer_.RecordProtocolEvent(*e2);
std::vector<std::unique_ptr<ProtocolEvent>> buffered_events(
buffer_.GetBufferedProtocolEvents());
ASSERT_EQ(2U, buffered_events.size());
EXPECT_TRUE(HasId(*(buffered_events[0]), 1));
EXPECT_TRUE(HasId(*(buffered_events[1]), 2));
}
TEST_F(ProtocolEventBufferTest, AddThenOverflowThenReturnEvents) {
for (size_t i = 0; i < ProtocolEventBuffer::kDefaultBufferSize + 1; ++i) {
std::unique_ptr<ProtocolEvent> e(MakeTestEvent(static_cast<int64_t>(i)));
buffer_.RecordProtocolEvent(*e);
}
std::vector<std::unique_ptr<ProtocolEvent>> buffered_events(
buffer_.GetBufferedProtocolEvents());
ASSERT_EQ(ProtocolEventBuffer::kDefaultBufferSize, buffered_events.size());
for (size_t i = 1; i < ProtocolEventBuffer::kDefaultBufferSize + 1; ++i) {
EXPECT_TRUE(HasId(*(buffered_events[i - 1]), static_cast<int64_t>(i)));
}
}
} // namespace syncer
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