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53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/sky/engine/wtf/DoubleBufferedDeque.h"
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#include <gtest/gtest.h>
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namespace {
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typedef testing::Test DoubleBufferedDequeTest;
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TEST(DoubleBufferedDequeTest, TestIsEmpty)
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{
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DoubleBufferedDeque<int> queue;
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EXPECT_TRUE(queue.isEmpty());
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queue.append(1);
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EXPECT_FALSE(queue.isEmpty());
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}
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TEST(DoubleBufferedDequeTest, TestIsEmptyAfterSwapBuffers)
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{
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DoubleBufferedDeque<int> queue;
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queue.append(1);
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queue.swapBuffers();
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EXPECT_TRUE(queue.isEmpty());
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}
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TEST(DoubleBufferedDequeTest, TestDoubleBuffering)
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{
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DoubleBufferedDeque<int> queue;
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queue.append(1);
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queue.append(10);
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queue.append(100);
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{
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Deque<int>& deque = queue.swapBuffers();
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EXPECT_EQ(1, deque.takeFirst());
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EXPECT_EQ(10, deque.takeFirst());
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EXPECT_EQ(100, deque.takeFirst());
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}
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queue.append(2);
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EXPECT_EQ(2, queue.swapBuffers().takeFirst());
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queue.append(3);
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EXPECT_EQ(3, queue.swapBuffers().takeFirst());
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}
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} // namespace
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