blob: 4a9e9a98c2484768835b91abb15847586646f88c [file] [log] [blame]
/*
* Copyright (C) 2014-2021 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 "config.h"
#include <WebCore/CalcExpressionNode.h>
#include <WebCore/CalculationValue.h>
#include <wtf/RefPtr.h>
namespace WTF {
class TextStream;
};
namespace TestWebKitAPI {
static unsigned deletionCount;
class CalculationDeletionTestNode : public WebCore::CalcExpressionNode {
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~CalculationDeletionTestNode()
{
++deletionCount;
}
float evaluate(float) const override { return 0; }
bool operator==(const CalcExpressionNode&) const override { ASSERT_NOT_REACHED(); return false; }
private:
void dump(WTF::TextStream&) const override { };
};
static Ref<WebCore::CalculationValue> createTestValue()
{
auto node = makeUnique<CalculationDeletionTestNode>();
return WebCore::CalculationValue::create(WTFMove(node), WebCore::ValueRange::All);
}
TEST(CalculationValue, LengthConstruction)
{
RefPtr<WebCore::CalculationValue> value = createTestValue();
EXPECT_EQ(1U, value->refCount());
{
WebCore::Length length(*value);
EXPECT_EQ(2U, value->refCount());
}
EXPECT_EQ(1U, value->refCount());
{
WebCore::Length lengthA(*value);
EXPECT_EQ(2U, value->refCount());
WebCore::Length lengthB(lengthA);
EXPECT_EQ(2U, value->refCount());
}
EXPECT_EQ(1U, value->refCount());
{
WebCore::Length lengthC(*value);
EXPECT_EQ(2U, value->refCount());
WebCore::Length lengthD(WTFMove(lengthC));
EXPECT_EQ(2U, value->refCount());
}
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(0U, deletionCount);
value = nullptr;
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
}
TEST(CalculationValue, LengthConstructionReleasedValue)
{
RefPtr<WebCore::CalculationValue> value = createTestValue();
EXPECT_EQ(1U, value->refCount());
{
auto* rawValue = value.get();
WebCore::Length length(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
EXPECT_EQ(0U, deletionCount);
}
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
value = createTestValue();
{
auto* rawValue = value.get();
WebCore::Length lengthA(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
WebCore::Length lengthB(lengthA);
EXPECT_EQ(1U, rawValue->refCount());
EXPECT_EQ(0U, deletionCount);
}
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
value = createTestValue();
{
auto* rawValue = value.get();
WebCore::Length lengthC(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
WebCore::Length lengthD(WTFMove(lengthC));
EXPECT_EQ(1U, rawValue->refCount());
EXPECT_EQ(0U, deletionCount);
}
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
}
TEST(CalculationValue, LengthAssignment)
{
RefPtr<WebCore::CalculationValue> value = createTestValue();
EXPECT_EQ(1U, value->refCount());
{
WebCore::Length lengthA(*value);
EXPECT_EQ(2U, value->refCount());
WebCore::Length lengthB;
lengthB = lengthA;
EXPECT_EQ(2U, value->refCount());
}
EXPECT_EQ(1U, value->refCount());
{
WebCore::Length lengthC(*value);
EXPECT_EQ(2U, value->refCount());
WebCore::Length lengthD;
lengthD = WTFMove(lengthC);
EXPECT_EQ(2U, value->refCount());
}
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(0U, deletionCount);
value = nullptr;
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
value = createTestValue();
RefPtr<WebCore::CalculationValue> value2 = createTestValue();
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(1U, value2->refCount());
{
WebCore::Length lengthE(*value);
EXPECT_EQ(2U, value->refCount());
WebCore::Length lengthF(*value2);
EXPECT_EQ(2U, value2->refCount());
lengthE = lengthF;
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(2U, value2->refCount());
}
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(1U, value2->refCount());
{
WebCore::Length lengthG(*value);
EXPECT_EQ(2U, value->refCount());
WebCore::Length lengthH(*value2);
EXPECT_EQ(2U, value2->refCount());
lengthG = WTFMove(lengthH);
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(2U, value2->refCount());
}
EXPECT_EQ(0U, deletionCount);
value = nullptr;
EXPECT_EQ(1U, deletionCount);
value2 = nullptr;
EXPECT_EQ(2U, deletionCount);
deletionCount = 0;
}
TEST(CalculationValue, LengthAssignmentReleasedValue)
{
RefPtr<WebCore::CalculationValue> value = createTestValue();
{
auto* rawValue = value.get();
WebCore::Length lengthA(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
WebCore::Length lengthB;
lengthB = lengthA;
EXPECT_EQ(1U, rawValue->refCount());
EXPECT_EQ(0U, deletionCount);
}
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
value = createTestValue();
{
auto* rawValue = value.get();
WebCore::Length lengthC(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
WebCore::Length lengthD;
lengthD = WTFMove(lengthC);
EXPECT_EQ(1U, rawValue->refCount());
EXPECT_EQ(0U, deletionCount);
}
EXPECT_EQ(1U, deletionCount);
deletionCount = 0;
value = createTestValue();
RefPtr<WebCore::CalculationValue> value2 = createTestValue();
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(1U, value2->refCount());
{
auto* rawValue = value.get();
WebCore::Length lengthE(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
auto* rawValue2 = value2.get();
WebCore::Length lengthF(value2.releaseNonNull());
EXPECT_EQ(1U, rawValue2->refCount());
lengthE = lengthF;
EXPECT_EQ(1U, deletionCount);
EXPECT_EQ(1U, rawValue2->refCount());
}
EXPECT_EQ(2U, deletionCount);
deletionCount = 0;
value = createTestValue();
value2 = createTestValue();
EXPECT_EQ(1U, value->refCount());
EXPECT_EQ(1U, value2->refCount());
{
auto* rawValue = value.get();
WebCore::Length lengthG(value.releaseNonNull());
EXPECT_EQ(1U, rawValue->refCount());
auto* rawValue2 = value2.get();
WebCore::Length lengthH(value2.releaseNonNull());
EXPECT_EQ(1U, rawValue2->refCount());
lengthG = WTFMove(lengthH);
EXPECT_EQ(1U, deletionCount);
EXPECT_EQ(1U, rawValue2->refCount());
}
EXPECT_EQ(2U, deletionCount);
deletionCount = 0;
}
}