| /* |
| * Copyright (c) 2013, Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 "core/css/CSSCalculationValue.h" |
| |
| #include "core/css/CSSPrimitiveValue.h" |
| #include "core/css/CSSToLengthConversionData.h" |
| #include "core/css/StylePropertySet.h" |
| #include "core/layout/api/LayoutViewItem.h" |
| #include "core/style/ComputedStyle.h" |
| #include "core/style/StyleInheritedData.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| void PrintTo(const CSSLengthArray& lengthArray, ::std::ostream* os) { |
| for (double x : lengthArray.values) |
| *os << x << ' '; |
| } |
| |
| namespace { |
| |
| void testAccumulatePixelsAndPercent( |
| const CSSToLengthConversionData& conversionData, |
| CSSCalcExpressionNode* expression, |
| float expectedPixels, |
| float expectedPercent) { |
| PixelsAndPercent value(0, 0); |
| expression->accumulatePixelsAndPercent(conversionData, value); |
| EXPECT_EQ(expectedPixels, value.pixels); |
| EXPECT_EQ(expectedPercent, value.percent); |
| } |
| |
| CSSLengthArray& setLengthArray(CSSLengthArray& lengthArray, String text) { |
| for (double& x : lengthArray.values) |
| x = 0; |
| MutableStylePropertySet* propertySet = |
| MutableStylePropertySet::create(HTMLQuirksMode); |
| propertySet->setProperty(CSSPropertyLeft, text); |
| toCSSPrimitiveValue(propertySet->getPropertyCSSValue(CSSPropertyLeft)) |
| ->accumulateLengthArray(lengthArray); |
| return lengthArray; |
| } |
| |
| bool lengthArraysEqual(CSSLengthArray& a, CSSLengthArray& b) { |
| for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i) { |
| if (a.values.at(i) != b.values.at(i)) |
| return false; |
| } |
| return true; |
| } |
| |
| TEST(CSSCalculationValue, AccumulatePixelsAndPercent) { |
| RefPtr<ComputedStyle> style = ComputedStyle::create(); |
| style->setEffectiveZoom(5); |
| CSSToLengthConversionData conversionData(style.get(), style.get(), |
| LayoutViewItem(nullptr), |
| style->effectiveZoom()); |
| |
| testAccumulatePixelsAndPercent( |
| conversionData, |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create(10, CSSPrimitiveValue::UnitType::Pixels), |
| true), |
| 50, 0); |
| |
| testAccumulatePixelsAndPercent( |
| conversionData, CSSCalcValue::createExpressionNode( |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create( |
| 10, CSSPrimitiveValue::UnitType::Pixels), |
| true), |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create( |
| 20, CSSPrimitiveValue::UnitType::Pixels), |
| true), |
| CalcAdd), |
| 150, 0); |
| |
| testAccumulatePixelsAndPercent( |
| conversionData, |
| CSSCalcValue::createExpressionNode( |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create(1, CSSPrimitiveValue::UnitType::Inches), |
| true), |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create(2, CSSPrimitiveValue::UnitType::Number), |
| true), |
| CalcMultiply), |
| 960, 0); |
| |
| testAccumulatePixelsAndPercent( |
| conversionData, |
| CSSCalcValue::createExpressionNode( |
| CSSCalcValue::createExpressionNode( |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create( |
| 50, CSSPrimitiveValue::UnitType::Pixels), |
| true), |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create( |
| 0.25, CSSPrimitiveValue::UnitType::Number), |
| false), |
| CalcMultiply), |
| CSSCalcValue::createExpressionNode( |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create( |
| 20, CSSPrimitiveValue::UnitType::Pixels), |
| true), |
| CSSCalcValue::createExpressionNode( |
| CSSPrimitiveValue::create( |
| 40, CSSPrimitiveValue::UnitType::Percentage), |
| false), |
| CalcSubtract), |
| CalcSubtract), |
| -37.5, 40); |
| } |
| |
| TEST(CSSCalculationValue, RefCount) { |
| RefPtr<CalculationValue> calc = |
| CalculationValue::create(PixelsAndPercent(1, 2), ValueRangeAll); |
| Length lengthA(calc); |
| EXPECT_EQ(calc->refCount(), 2); |
| |
| Length lengthB; |
| lengthB = lengthA; |
| EXPECT_EQ(calc->refCount(), 3); |
| |
| Length lengthC(calc); |
| lengthC = lengthA; |
| EXPECT_EQ(calc->refCount(), 4); |
| |
| Length lengthD( |
| CalculationValue::create(PixelsAndPercent(1, 2), ValueRangeAll)); |
| lengthD = lengthA; |
| EXPECT_EQ(calc->refCount(), 5); |
| } |
| |
| TEST(CSSCalculationValue, RefCountLeak) { |
| RefPtr<CalculationValue> calc = |
| CalculationValue::create(PixelsAndPercent(1, 2), ValueRangeAll); |
| Length lengthA(calc); |
| |
| Length lengthB = lengthA; |
| for (int i = 0; i < 100; ++i) |
| lengthB = lengthA; |
| EXPECT_EQ(calc->refCount(), 3); |
| |
| Length lengthC(lengthA); |
| for (int i = 0; i < 100; ++i) |
| lengthC = lengthA; |
| EXPECT_EQ(calc->refCount(), 4); |
| |
| Length lengthD(calc); |
| for (int i = 0; i < 100; ++i) |
| lengthD = lengthA; |
| EXPECT_EQ(calc->refCount(), 5); |
| |
| lengthD = Length(); |
| EXPECT_EQ(calc->refCount(), 4); |
| } |
| |
| TEST(CSSCalculationValue, AddToLengthUnitValues) { |
| CSSLengthArray expectation, actual; |
| EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "0"))); |
| |
| expectation.values.at(CSSPrimitiveValue::UnitTypePixels) = 10; |
| EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "10px"))); |
| |
| expectation.values.at(CSSPrimitiveValue::UnitTypePixels) = 0; |
| expectation.values.at(CSSPrimitiveValue::UnitTypePercentage) = 20; |
| EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "20%"))); |
| |
| expectation.values.at(CSSPrimitiveValue::UnitTypePixels) = 30; |
| expectation.values.at(CSSPrimitiveValue::UnitTypePercentage) = -40; |
| EXPECT_TRUE(lengthArraysEqual(expectation, |
| setLengthArray(actual, "calc(30px - 40%)"))); |
| |
| expectation.values.at(CSSPrimitiveValue::UnitTypePixels) = 90; |
| expectation.values.at(CSSPrimitiveValue::UnitTypePercentage) = 10; |
| EXPECT_TRUE(lengthArraysEqual( |
| expectation, setLengthArray(actual, "calc(1in + 10% - 6px)"))); |
| |
| expectation.values.at(CSSPrimitiveValue::UnitTypePixels) = 15; |
| expectation.values.at(CSSPrimitiveValue::UnitTypeFontSize) = 20; |
| expectation.values.at(CSSPrimitiveValue::UnitTypePercentage) = -40; |
| EXPECT_TRUE(lengthArraysEqual( |
| expectation, |
| setLengthArray( |
| actual, "calc((1 * 2) * (5px + 20em / 2) - 80% / (3 - 1) + 5px)"))); |
| } |
| |
| } // anonymous namespace |
| |
| } // namespace blink |
