| Index: third_party/WebKit/Source/wtf/DequeTest.cpp
|
| diff --git a/third_party/WebKit/Source/wtf/DequeTest.cpp b/third_party/WebKit/Source/wtf/DequeTest.cpp
|
| deleted file mode 100644
|
| index d4e2655dac6b09101ba78b8e905c1c9fb7b64c76..0000000000000000000000000000000000000000
|
| --- a/third_party/WebKit/Source/wtf/DequeTest.cpp
|
| +++ /dev/null
|
| @@ -1,638 +0,0 @@
|
| -/*
|
| - * Copyright (C) 2011 Apple Inc. All rights reserved.
|
| - *
|
| - * Redistribution and use in source and binary forms, with or without
|
| - * modification, are permitted provided that the following conditions
|
| - * are met:
|
| - * 1. Redistributions of source code must retain the above copyright
|
| - * notice, this list of conditions and the following disclaimer.
|
| - * 2. Redistributions in binary form must reproduce the above copyright
|
| - * notice, this list of conditions and the following disclaimer in the
|
| - * documentation and/or other materials provided with the distribution.
|
| - *
|
| - * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
|
| - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
| - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
|
| - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
| - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
| - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
| - * THE POSSIBILITY OF SUCH DAMAGE.
|
| - */
|
| -
|
| -#include "wtf/Deque.h"
|
| -
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -#include "wtf/HashSet.h"
|
| -#include "wtf/PtrUtil.h"
|
| -#include <memory>
|
| -
|
| -namespace WTF {
|
| -
|
| -namespace {
|
| -
|
| -TEST(DequeTest, Basic) {
|
| - Deque<int> intDeque;
|
| - EXPECT_TRUE(intDeque.isEmpty());
|
| - EXPECT_EQ(0ul, intDeque.size());
|
| -}
|
| -
|
| -template <size_t inlineCapacity>
|
| -void checkNumberSequence(Deque<int, inlineCapacity>& deque,
|
| - int from,
|
| - int to,
|
| - bool increment) {
|
| - auto it = increment ? deque.begin() : deque.end();
|
| - size_t index = increment ? 0 : deque.size();
|
| - int step = from < to ? 1 : -1;
|
| - for (int i = from; i != to + step; i += step) {
|
| - if (!increment) {
|
| - --it;
|
| - --index;
|
| - }
|
| -
|
| - EXPECT_EQ(i, *it);
|
| - EXPECT_EQ(i, deque[index]);
|
| -
|
| - if (increment) {
|
| - ++it;
|
| - ++index;
|
| - }
|
| - }
|
| - EXPECT_EQ(increment ? deque.end() : deque.begin(), it);
|
| - EXPECT_EQ(increment ? deque.size() : 0, index);
|
| -}
|
| -
|
| -template <size_t inlineCapacity>
|
| -void checkNumberSequenceReverse(Deque<int, inlineCapacity>& deque,
|
| - int from,
|
| - int to,
|
| - bool increment) {
|
| - auto it = increment ? deque.rbegin() : deque.rend();
|
| - size_t index = increment ? 0 : deque.size();
|
| - int step = from < to ? 1 : -1;
|
| - for (int i = from; i != to + step; i += step) {
|
| - if (!increment) {
|
| - --it;
|
| - --index;
|
| - }
|
| -
|
| - EXPECT_EQ(i, *it);
|
| - EXPECT_EQ(i, deque.at(deque.size() - 1 - index));
|
| -
|
| - if (increment) {
|
| - ++it;
|
| - ++index;
|
| - }
|
| - }
|
| - EXPECT_EQ(increment ? deque.rend() : deque.rbegin(), it);
|
| - EXPECT_EQ(increment ? deque.size() : 0, index);
|
| -}
|
| -
|
| -template <size_t inlineCapacity>
|
| -void reverseTest() {
|
| - Deque<int, inlineCapacity> intDeque;
|
| - intDeque.push_back(10);
|
| - intDeque.push_back(11);
|
| - intDeque.push_back(12);
|
| - intDeque.push_back(13);
|
| -
|
| - checkNumberSequence(intDeque, 10, 13, true);
|
| - checkNumberSequence(intDeque, 13, 10, false);
|
| - checkNumberSequenceReverse(intDeque, 13, 10, true);
|
| - checkNumberSequenceReverse(intDeque, 10, 13, false);
|
| -
|
| - intDeque.push_back(14);
|
| - intDeque.push_back(15);
|
| - EXPECT_EQ(10, intDeque.takeFirst());
|
| - EXPECT_EQ(15, intDeque.takeLast());
|
| - checkNumberSequence(intDeque, 11, 14, true);
|
| - checkNumberSequence(intDeque, 14, 11, false);
|
| - checkNumberSequenceReverse(intDeque, 14, 11, true);
|
| - checkNumberSequenceReverse(intDeque, 11, 14, false);
|
| -
|
| - for (int i = 15; i < 200; ++i)
|
| - intDeque.push_back(i);
|
| - checkNumberSequence(intDeque, 11, 199, true);
|
| - checkNumberSequence(intDeque, 199, 11, false);
|
| - checkNumberSequenceReverse(intDeque, 199, 11, true);
|
| - checkNumberSequenceReverse(intDeque, 11, 199, false);
|
| -
|
| - for (int i = 0; i < 180; ++i) {
|
| - EXPECT_EQ(i + 11, intDeque[0]);
|
| - EXPECT_EQ(i + 11, intDeque.takeFirst());
|
| - }
|
| - checkNumberSequence(intDeque, 191, 199, true);
|
| - checkNumberSequence(intDeque, 199, 191, false);
|
| - checkNumberSequenceReverse(intDeque, 199, 191, true);
|
| - checkNumberSequenceReverse(intDeque, 191, 199, false);
|
| -
|
| - Deque<int, inlineCapacity> intDeque2;
|
| - swap(intDeque, intDeque2);
|
| -
|
| - checkNumberSequence(intDeque2, 191, 199, true);
|
| - checkNumberSequence(intDeque2, 199, 191, false);
|
| - checkNumberSequenceReverse(intDeque2, 199, 191, true);
|
| - checkNumberSequenceReverse(intDeque2, 191, 199, false);
|
| -
|
| - intDeque.swap(intDeque2);
|
| -
|
| - checkNumberSequence(intDeque, 191, 199, true);
|
| - checkNumberSequence(intDeque, 199, 191, false);
|
| - checkNumberSequenceReverse(intDeque, 199, 191, true);
|
| - checkNumberSequenceReverse(intDeque, 191, 199, false);
|
| -
|
| - intDeque.swap(intDeque2);
|
| -
|
| - checkNumberSequence(intDeque2, 191, 199, true);
|
| - checkNumberSequence(intDeque2, 199, 191, false);
|
| - checkNumberSequenceReverse(intDeque2, 199, 191, true);
|
| - checkNumberSequenceReverse(intDeque2, 191, 199, false);
|
| -}
|
| -
|
| -TEST(DequeTest, Reverse) {
|
| - reverseTest<0>();
|
| - reverseTest<2>();
|
| -}
|
| -
|
| -class DestructCounter {
|
| - public:
|
| - explicit DestructCounter(int i, int* destructNumber)
|
| - : m_i(i), m_destructNumber(destructNumber) {}
|
| -
|
| - ~DestructCounter() { ++(*m_destructNumber); }
|
| - int get() const { return m_i; }
|
| -
|
| - private:
|
| - int m_i;
|
| - int* m_destructNumber;
|
| -};
|
| -
|
| -template <typename OwnPtrDeque>
|
| -void ownPtrTest() {
|
| - int destructNumber = 0;
|
| - OwnPtrDeque deque;
|
| - deque.push_back(WTF::wrapUnique(new DestructCounter(0, &destructNumber)));
|
| - deque.push_back(WTF::wrapUnique(new DestructCounter(1, &destructNumber)));
|
| - EXPECT_EQ(2u, deque.size());
|
| -
|
| - std::unique_ptr<DestructCounter>& counter0 = deque.front();
|
| - EXPECT_EQ(0, counter0->get());
|
| - int counter1 = deque.back()->get();
|
| - EXPECT_EQ(1, counter1);
|
| - EXPECT_EQ(0, destructNumber);
|
| -
|
| - size_t index = 0;
|
| - for (auto iter = deque.begin(); iter != deque.end(); ++iter) {
|
| - std::unique_ptr<DestructCounter>& refCounter = *iter;
|
| - EXPECT_EQ(index, static_cast<size_t>(refCounter->get()));
|
| - EXPECT_EQ(index, static_cast<size_t>((*refCounter).get()));
|
| - index++;
|
| - }
|
| - EXPECT_EQ(0, destructNumber);
|
| -
|
| - auto it = deque.begin();
|
| - for (index = 0; index < deque.size(); ++index) {
|
| - std::unique_ptr<DestructCounter>& refCounter = *it;
|
| - EXPECT_EQ(index, static_cast<size_t>(refCounter->get()));
|
| - index++;
|
| - ++it;
|
| - }
|
| - EXPECT_EQ(0, destructNumber);
|
| -
|
| - EXPECT_EQ(0, deque.front()->get());
|
| - deque.pop_front();
|
| - EXPECT_EQ(1, deque.front()->get());
|
| - EXPECT_EQ(1u, deque.size());
|
| - EXPECT_EQ(1, destructNumber);
|
| -
|
| - std::unique_ptr<DestructCounter> ownCounter1 = std::move(deque.front());
|
| - deque.pop_front();
|
| - EXPECT_EQ(counter1, ownCounter1->get());
|
| - EXPECT_EQ(0u, deque.size());
|
| - EXPECT_EQ(1, destructNumber);
|
| -
|
| - ownCounter1.reset();
|
| - EXPECT_EQ(2, destructNumber);
|
| -
|
| - size_t count = 1025;
|
| - destructNumber = 0;
|
| - for (size_t i = 0; i < count; ++i)
|
| - deque.push_front(WTF::wrapUnique(new DestructCounter(i, &destructNumber)));
|
| -
|
| - // Deque relocation must not destruct std::unique_ptr element.
|
| - EXPECT_EQ(0, destructNumber);
|
| - EXPECT_EQ(count, deque.size());
|
| -
|
| - OwnPtrDeque copyDeque;
|
| - deque.swap(copyDeque);
|
| - EXPECT_EQ(0, destructNumber);
|
| - EXPECT_EQ(count, copyDeque.size());
|
| - EXPECT_EQ(0u, deque.size());
|
| -
|
| - copyDeque.clear();
|
| - EXPECT_EQ(count, static_cast<size_t>(destructNumber));
|
| -}
|
| -
|
| -TEST(DequeTest, OwnPtr) {
|
| - ownPtrTest<Deque<std::unique_ptr<DestructCounter>>>();
|
| - ownPtrTest<Deque<std::unique_ptr<DestructCounter>, 2>>();
|
| -}
|
| -
|
| -class MoveOnly {
|
| - public:
|
| - explicit MoveOnly(int i = 0) : m_i(i) {}
|
| -
|
| - MoveOnly(MoveOnly&& other) : m_i(other.m_i) { other.m_i = 0; }
|
| -
|
| - MoveOnly& operator=(MoveOnly&& other) {
|
| - if (this != &other) {
|
| - m_i = other.m_i;
|
| - other.m_i = 0;
|
| - }
|
| - return *this;
|
| - }
|
| -
|
| - int value() const { return m_i; }
|
| -
|
| - private:
|
| - WTF_MAKE_NONCOPYABLE(MoveOnly);
|
| - int m_i;
|
| -};
|
| -
|
| -TEST(DequeTest, MoveOnlyType) {
|
| - Deque<MoveOnly> deque;
|
| - deque.push_back(MoveOnly(1));
|
| - deque.push_back(MoveOnly(2));
|
| - EXPECT_EQ(2u, deque.size());
|
| -
|
| - ASSERT_EQ(1, deque.front().value());
|
| - ASSERT_EQ(2, deque.back().value());
|
| -
|
| - MoveOnly oldFirst = deque.takeFirst();
|
| - ASSERT_EQ(1, oldFirst.value());
|
| - EXPECT_EQ(1u, deque.size());
|
| -
|
| - Deque<MoveOnly> otherDeque;
|
| - deque.swap(otherDeque);
|
| - EXPECT_EQ(1u, otherDeque.size());
|
| - EXPECT_EQ(0u, deque.size());
|
| -}
|
| -
|
| -// WrappedInt class will fail if it was memmoved or memcpyed.
|
| -HashSet<void*> constructedWrappedInts;
|
| -
|
| -class WrappedInt {
|
| - public:
|
| - WrappedInt(int i = 0) : m_originalThisPtr(this), m_i(i) {
|
| - constructedWrappedInts.insert(this);
|
| - }
|
| -
|
| - WrappedInt(const WrappedInt& other)
|
| - : m_originalThisPtr(this), m_i(other.m_i) {
|
| - constructedWrappedInts.insert(this);
|
| - }
|
| -
|
| - WrappedInt& operator=(const WrappedInt& other) {
|
| - m_i = other.m_i;
|
| - return *this;
|
| - }
|
| -
|
| - ~WrappedInt() {
|
| - EXPECT_EQ(m_originalThisPtr, this);
|
| - EXPECT_TRUE(constructedWrappedInts.contains(this));
|
| - constructedWrappedInts.erase(this);
|
| - }
|
| -
|
| - int get() const { return m_i; }
|
| -
|
| - private:
|
| - void* m_originalThisPtr;
|
| - int m_i;
|
| -};
|
| -
|
| -template <size_t inlineCapacity>
|
| -void swapWithOrWithoutInlineCapacity() {
|
| - Deque<WrappedInt, inlineCapacity> dequeA;
|
| - dequeA.push_back(WrappedInt(1));
|
| - Deque<WrappedInt, inlineCapacity> dequeB;
|
| - dequeB.push_back(WrappedInt(2));
|
| -
|
| - ASSERT_EQ(dequeA.size(), dequeB.size());
|
| - dequeA.swap(dequeB);
|
| -
|
| - ASSERT_EQ(1u, dequeA.size());
|
| - EXPECT_EQ(2, dequeA.front().get());
|
| - ASSERT_EQ(1u, dequeB.size());
|
| - EXPECT_EQ(1, dequeB.front().get());
|
| -
|
| - dequeA.push_back(WrappedInt(3));
|
| -
|
| - ASSERT_GT(dequeA.size(), dequeB.size());
|
| - dequeA.swap(dequeB);
|
| -
|
| - ASSERT_EQ(1u, dequeA.size());
|
| - EXPECT_EQ(1, dequeA.front().get());
|
| - ASSERT_EQ(2u, dequeB.size());
|
| - EXPECT_EQ(2, dequeB.front().get());
|
| -
|
| - ASSERT_LT(dequeA.size(), dequeB.size());
|
| - dequeA.swap(dequeB);
|
| -
|
| - ASSERT_EQ(2u, dequeA.size());
|
| - EXPECT_EQ(2, dequeA.front().get());
|
| - ASSERT_EQ(1u, dequeB.size());
|
| - EXPECT_EQ(1, dequeB.front().get());
|
| -
|
| - dequeA.push_back(WrappedInt(4));
|
| - dequeA.swap(dequeB);
|
| -
|
| - ASSERT_EQ(1u, dequeA.size());
|
| - EXPECT_EQ(1, dequeA.front().get());
|
| - ASSERT_EQ(3u, dequeB.size());
|
| - EXPECT_EQ(2, dequeB.front().get());
|
| -
|
| - dequeB.swap(dequeA);
|
| -}
|
| -
|
| -TEST(DequeTest, SwapWithOrWithoutInlineCapacity) {
|
| - swapWithOrWithoutInlineCapacity<0>();
|
| - swapWithOrWithoutInlineCapacity<2>();
|
| -}
|
| -
|
| -class LivenessCounter {
|
| - public:
|
| - void ref() { s_live++; }
|
| - void deref() { s_live--; }
|
| -
|
| - static unsigned s_live;
|
| -};
|
| -
|
| -unsigned LivenessCounter::s_live = 0;
|
| -
|
| -// Filter a few numbers out to improve the running speed of the tests. The
|
| -// test has nested loops, and removing even numbers from 4 and up from the
|
| -// loops makes it run 10 times faster.
|
| -bool interestingNumber(int i) {
|
| - return i < 4 || (i & 1);
|
| -}
|
| -
|
| -template <size_t inlineCapacity>
|
| -void testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity() {
|
| - LivenessCounter::s_live = 0;
|
| - LivenessCounter counter;
|
| - EXPECT_EQ(0u, LivenessCounter::s_live);
|
| -
|
| - Deque<RefPtr<LivenessCounter>, inlineCapacity> deque;
|
| - Deque<RefPtr<LivenessCounter>, inlineCapacity> deque2;
|
| - deque.push_back(&counter);
|
| - deque2.push_back(&counter);
|
| - EXPECT_EQ(2u, LivenessCounter::s_live);
|
| -
|
| - // Add various numbers of elements to deques, then remove various numbers
|
| - // of elements from the head. This creates in-use ranges in the backing
|
| - // that sometimes wrap around the end of the buffer, testing various ways
|
| - // in which the in-use ranges of the inline buffers can overlap when we
|
| - // call swap().
|
| - for (unsigned i = 0; i < 12; i++) {
|
| - if (!interestingNumber(i))
|
| - continue;
|
| - for (unsigned j = i; j < 12; j++) {
|
| - if (!interestingNumber(j))
|
| - continue;
|
| - deque.clear();
|
| - deque2.clear();
|
| - EXPECT_EQ(0u, LivenessCounter::s_live);
|
| - for (unsigned k = 0; k < j; k++)
|
| - deque.push_back(&counter);
|
| - EXPECT_EQ(j, LivenessCounter::s_live);
|
| - EXPECT_EQ(j, deque.size());
|
| - for (unsigned k = 0; k < i; k++)
|
| - deque.pop_front();
|
| -
|
| - EXPECT_EQ(j - i, LivenessCounter::s_live);
|
| - EXPECT_EQ(j - i, deque.size());
|
| - deque.swap(deque2);
|
| - EXPECT_EQ(j - i, LivenessCounter::s_live);
|
| - EXPECT_EQ(0u, deque.size());
|
| - EXPECT_EQ(j - i, deque2.size());
|
| - deque.swap(deque2);
|
| - EXPECT_EQ(j - i, LivenessCounter::s_live);
|
| -
|
| - deque2.push_back(&counter);
|
| - deque2.push_back(&counter);
|
| - deque2.push_back(&counter);
|
| -
|
| - for (unsigned k = 0; k < 12; k++) {
|
| - EXPECT_EQ(3 + j - i, LivenessCounter::s_live);
|
| - EXPECT_EQ(j - i, deque.size());
|
| - EXPECT_EQ(3u, deque2.size());
|
| - deque.swap(deque2);
|
| - EXPECT_EQ(3 + j - i, LivenessCounter::s_live);
|
| - EXPECT_EQ(j - i, deque2.size());
|
| - EXPECT_EQ(3u, deque.size());
|
| - deque.swap(deque2);
|
| - EXPECT_EQ(3 + j - i, LivenessCounter::s_live);
|
| - EXPECT_EQ(j - i, deque.size());
|
| - EXPECT_EQ(3u, deque2.size());
|
| -
|
| - deque2.pop_front();
|
| - deque2.push_back(&counter);
|
| - }
|
| - }
|
| - }
|
| -}
|
| -
|
| -TEST(DequeTest, SwapWithConstructorsAndDestructors) {
|
| - testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity<0>();
|
| - testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity<4>();
|
| - testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity<9>();
|
| -}
|
| -
|
| -template <size_t inlineCapacity>
|
| -void testValuesMovedAndSwappedWithInlineCapacity() {
|
| - Deque<unsigned, inlineCapacity> deque;
|
| - Deque<unsigned, inlineCapacity> deque2;
|
| -
|
| - // Add various numbers of elements to deques, then remove various numbers
|
| - // of elements from the head. This creates in-use ranges in the backing
|
| - // that sometimes wrap around the end of the buffer, testing various ways
|
| - // in which the in-use ranges of the inline buffers can overlap when we
|
| - // call swap().
|
| - for (unsigned pad = 0; pad < 12; pad++) {
|
| - if (!interestingNumber(pad))
|
| - continue;
|
| - for (unsigned pad2 = 0; pad2 < 12; pad2++) {
|
| - if (!interestingNumber(pad2))
|
| - continue;
|
| - for (unsigned size = 0; size < 12; size++) {
|
| - if (!interestingNumber(size))
|
| - continue;
|
| - for (unsigned size2 = 0; size2 < 12; size2++) {
|
| - if (!interestingNumber(size2))
|
| - continue;
|
| - deque.clear();
|
| - deque2.clear();
|
| - for (unsigned i = 0; i < pad; i++)
|
| - deque.push_back(103);
|
| - for (unsigned i = 0; i < pad2; i++)
|
| - deque2.push_back(888);
|
| - for (unsigned i = 0; i < size; i++)
|
| - deque.push_back(i);
|
| - for (unsigned i = 0; i < size2; i++)
|
| - deque2.push_back(i + 42);
|
| - for (unsigned i = 0; i < pad; i++)
|
| - EXPECT_EQ(103u, deque.takeFirst());
|
| - for (unsigned i = 0; i < pad2; i++)
|
| - EXPECT_EQ(888u, deque2.takeFirst());
|
| - EXPECT_EQ(size, deque.size());
|
| - EXPECT_EQ(size2, deque2.size());
|
| - deque.swap(deque2);
|
| - for (unsigned i = 0; i < size; i++)
|
| - EXPECT_EQ(i, deque2.takeFirst());
|
| - for (unsigned i = 0; i < size2; i++)
|
| - EXPECT_EQ(i + 42, deque.takeFirst());
|
| - }
|
| - }
|
| - }
|
| - }
|
| -}
|
| -
|
| -TEST(DequeTest, ValuesMovedAndSwappedWithInlineCapacity) {
|
| - testValuesMovedAndSwappedWithInlineCapacity<0>();
|
| - testValuesMovedAndSwappedWithInlineCapacity<4>();
|
| - testValuesMovedAndSwappedWithInlineCapacity<9>();
|
| -}
|
| -
|
| -TEST(DequeTest, UniquePtr) {
|
| - using Pointer = std::unique_ptr<int>;
|
| - Deque<Pointer> deque;
|
| - deque.push_back(Pointer(new int(1)));
|
| - deque.push_back(Pointer(new int(2)));
|
| - deque.push_front(Pointer(new int(-1)));
|
| - deque.push_front(Pointer(new int(-2)));
|
| - ASSERT_EQ(4u, deque.size());
|
| - EXPECT_EQ(-2, *deque[0]);
|
| - EXPECT_EQ(-1, *deque[1]);
|
| - EXPECT_EQ(1, *deque[2]);
|
| - EXPECT_EQ(2, *deque[3]);
|
| -
|
| - Pointer first(deque.takeFirst());
|
| - EXPECT_EQ(-2, *first);
|
| - Pointer last(deque.takeLast());
|
| - EXPECT_EQ(2, *last);
|
| -
|
| - EXPECT_EQ(2u, deque.size());
|
| - deque.pop_front();
|
| - deque.pop_back();
|
| - EXPECT_EQ(0u, deque.size());
|
| -
|
| - deque.push_back(Pointer(new int(42)));
|
| - deque[0] = Pointer(new int(24));
|
| - ASSERT_EQ(1u, deque.size());
|
| - EXPECT_EQ(24, *deque[0]);
|
| -
|
| - deque.clear();
|
| -}
|
| -
|
| -class CountCopy final {
|
| - public:
|
| - explicit CountCopy(int* counter = nullptr) : m_counter(counter) {}
|
| - CountCopy(const CountCopy& other) : m_counter(other.m_counter) {
|
| - if (m_counter)
|
| - ++*m_counter;
|
| - }
|
| - CountCopy& operator=(const CountCopy& other) {
|
| - m_counter = other.m_counter;
|
| - if (m_counter)
|
| - ++*m_counter;
|
| - return *this;
|
| - }
|
| -
|
| - private:
|
| - int* m_counter;
|
| -};
|
| -
|
| -TEST(DequeTest, MoveShouldNotMakeCopy) {
|
| - // Because data in inline buffer may be swapped or moved individually, we
|
| - // force the creation of out-of-line buffer so we can make sure there's no
|
| - // element-wise copy/move.
|
| - Deque<CountCopy, 1> deque;
|
| - int counter = 0;
|
| - deque.push_back(CountCopy(&counter));
|
| - deque.push_back(CountCopy(&counter));
|
| -
|
| - Deque<CountCopy, 1> other(deque);
|
| - counter = 0;
|
| - deque = std::move(other); // Move assignment.
|
| - EXPECT_EQ(0, counter);
|
| -
|
| - counter = 0;
|
| - Deque<CountCopy, 1> yetAnother(std::move(deque)); // Move construction.
|
| - EXPECT_EQ(0, counter);
|
| -}
|
| -
|
| -TEST(DequeTest, RemoveWhileIterating) {
|
| - Deque<int> deque;
|
| - for (int i = 0; i < 10; ++i)
|
| - deque.push_back(i);
|
| -
|
| - // All numbers present.
|
| - {
|
| - int i = 0;
|
| - for (int v : deque)
|
| - EXPECT_EQ(i++, v);
|
| - }
|
| -
|
| - // Remove the even numbers while iterating.
|
| - for (auto it = deque.begin(); it != deque.end(); ++it) {
|
| - if (*it % 2 == 0) {
|
| - deque.erase(it);
|
| - --it;
|
| - }
|
| - }
|
| -
|
| - // Only odd numbers left.
|
| - {
|
| - int i = 1;
|
| - for (int v : deque)
|
| - EXPECT_EQ(i + 2, v);
|
| - }
|
| -}
|
| -
|
| -struct Item {
|
| - Item(int value1, int value2) : value1(value1), value2(value2) {}
|
| - int value1;
|
| - int value2;
|
| -};
|
| -
|
| -TEST(DequeTest, emplace_back) {
|
| - Deque<Item> deque;
|
| - deque.emplace_back(1, 2);
|
| - deque.emplace_back(3, 4);
|
| -
|
| - EXPECT_EQ(2u, deque.size());
|
| - EXPECT_EQ(1, deque[0].value1);
|
| - EXPECT_EQ(2, deque[0].value2);
|
| - EXPECT_EQ(3, deque[1].value1);
|
| - EXPECT_EQ(4, deque[1].value2);
|
| -}
|
| -
|
| -TEST(DequeTest, emplace_front) {
|
| - Deque<Item> deque;
|
| - deque.emplace_front(1, 2);
|
| - deque.emplace_front(3, 4);
|
| -
|
| - EXPECT_EQ(2u, deque.size());
|
| - EXPECT_EQ(3, deque[0].value1);
|
| - EXPECT_EQ(4, deque[0].value2);
|
| - EXPECT_EQ(1, deque[1].value1);
|
| - EXPECT_EQ(2, deque[1].value2);
|
| -}
|
| -
|
| -} // anonymous namespace
|
| -
|
| -} // namespace WTF
|
|
|