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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_ack_notifier.h"
#include "net/quic/test_tools/quic_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
namespace {
class QuicAckNotifierTest : public ::testing::Test {
protected:
virtual void SetUp() {
delegate_ = new MockAckNotifierDelegate;
notifier_.reset(new QuicAckNotifier(delegate_));
sequence_numbers_.insert(26);
sequence_numbers_.insert(99);
sequence_numbers_.insert(1234);
notifier_->AddSequenceNumbers(sequence_numbers_);
}
SequenceNumberSet sequence_numbers_;
MockAckNotifierDelegate* delegate_;
scoped_ptr<QuicAckNotifier> notifier_;
};
// Should trigger callback when we receive acks for all the registered seqnums.
TEST_F(QuicAckNotifierTest, TriggerCallback) {
EXPECT_CALL(*delegate_, OnAckNotification()).Times(1);
EXPECT_FALSE(notifier_->OnAck(26));
EXPECT_FALSE(notifier_->OnAck(99));
EXPECT_TRUE(notifier_->OnAck(1234));
}
// Should not trigger callback if we never provide all the seqnums.
TEST_F(QuicAckNotifierTest, DoesNotTrigger) {
// Should not trigger callback as not all packets have been seen.
EXPECT_CALL(*delegate_, OnAckNotification()).Times(0);
EXPECT_FALSE(notifier_->OnAck(26));
EXPECT_FALSE(notifier_->OnAck(99));
}
// Should trigger even after updating sequence numbers and receiving ACKs for
// new sequeunce numbers.
TEST_F(QuicAckNotifierTest, UpdateSeqNums) {
// Update a couple of the sequence numbers (i.e. retransmitted packets)
notifier_->UpdateSequenceNumber(99, 3000);
notifier_->UpdateSequenceNumber(1234, 3001);
EXPECT_CALL(*delegate_, OnAckNotification()).Times(1);
EXPECT_FALSE(notifier_->OnAck(26)); // original
EXPECT_FALSE(notifier_->OnAck(3000)); // updated
EXPECT_TRUE(notifier_->OnAck(3001)); // updated
}
} // namespace
} // namespace test
} // namespace net
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