src/third_party/WebKit/Source/core/css/CSSCalculationValueTest.cpp

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  30
  31 #include "config.h"
  32 #include "core/css/CSSCalculationValue.h"
  33
  34 #include "core/css/CSSPrimitiveValue.h"
  35 #include "core/css/CSSToLengthConversionData.h"
  36 #include "core/rendering/style/RenderStyle.h"
  37 #include "core/rendering/style/StyleInheritedData.h"
  38
  39 #include <gtest/gtest.h>
  40
  41 using namespace WebCore;
  42
  43 namespace {
  44
  45 void testExpression(PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> expression, const RenderStyle* style)
  46 {
  47     EXPECT_TRUE(
  48         expression->equals(
  49             *CSSCalcValue::createExpressionNode(
  50                 expression->toCalcValue(CSSToLengthConversionData(style, style, 0)).get(),
  51                 style->effectiveZoom()).get()));
  52 }
  53
  54 TEST(CSSCalculationValue, CreateExpressionNodeFromLength)
  55 {
  56     RefPtr<RenderStyle> style = RenderStyle::create();
  57     RefPtrWillBeRawPtr<CSSCalcExpressionNode> expected;
  58     RefPtrWillBeRawPtr<CSSCalcExpressionNode> actual;
  59
  60     expected = CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX), true);
  61     actual = CSSCalcValue::createExpressionNode(Length(10, WebCore::Fixed), style->effectiveZoom());
  62     EXPECT_TRUE(actual->equals(*expected.get()));
  63
  64     expected = CSSCalcValue::createExpressionNode(
  65         CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX), true),
  66         CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(20, CSSPrimitiveValue::CSS_PX), true),
  67         CalcAdd);
  68     actual = CSSCalcValue::createExpressionNode(
  69         Length(CalculationValue::create(
  70             adoptPtr(new CalcExpressionBinaryOperation(
  71                 adoptPtr(new CalcExpressionLength(Length(10, WebCore::Fixed))),
  72                 adoptPtr(new CalcExpressionLength(Length(20, WebCore::Fixed))),
  73                 CalcAdd)),
  74             ValueRangeAll)),
  75         style->effectiveZoom());
  76     EXPECT_TRUE(actual->equals(*expected.get()));
  77
  78     expected = CSSCalcValue::createExpressionNode(
  79         CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(30, CSSPrimitiveValue::CSS_PX), true),
  80         CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(40, CSSPrimitiveValue::CSS_NUMBER), true),
  81         CalcMultiply);
  82     actual = CSSCalcValue::createExpressionNode(
  83         Length(CalculationValue::create(
  84             adoptPtr(new CalcExpressionBinaryOperation(
  85                 adoptPtr(new CalcExpressionLength(Length(30, WebCore::Fixed))),
  86                 adoptPtr(new CalcExpressionNumber(40)),
  87                 CalcMultiply)),
  88             ValueRangeAll)),
  89         style->effectiveZoom());
  90     EXPECT_TRUE(actual->equals(*expected.get()));
  91
  92     expected = CSSCalcValue::createExpressionNode(
  93         CSSCalcValue::createExpressionNode(
  94             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(50, CSSPrimitiveValue::CSS_PX), true),
  95             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(0.25, CSSPrimitiveValue::CSS_NUMBER), false),
  96             CalcMultiply),
  97         CSSCalcValue::createExpressionNode(
  98             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(60, CSSPrimitiveValue::CSS_PX), true),
  99             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(0.75, CSSPrimitiveValue::CSS_NUMBER), false),
 100             CalcMultiply),
 101         CalcAdd);
 102     actual = CSSCalcValue::createExpressionNode(
 103         Length(CalculationValue::create(
 104             adoptPtr(new CalcExpressionBlendLength(Length(50, WebCore::Fixed), Length(60, WebCore::Fixed), 0.75)),
 105             ValueRangeAll)),
 106         style->effectiveZoom());
 107     EXPECT_TRUE(actual->equals(*expected.get()));
 108 }
 109
 110 TEST(CSSCalculationValue, CreateExpressionNodeFromLengthFromExpressionNode)
 111 {
 112     RefPtrWillBeRawPtr<CSSCalcExpressionNode> expression;
 113     RefPtr<RenderStyle> style = RenderStyle::createDefaultStyle();
 114     style->setEffectiveZoom(5);
 115
 116     testExpression(
 117         CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX), true),
 118         style.get());
 119
 120     testExpression(
 121         CSSCalcValue::createExpressionNode(
 122             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX), true),
 123             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(20, CSSPrimitiveValue::CSS_PX), true),
 124             CalcAdd),
 125         style.get());
 126
 127     testExpression(
 128         CSSCalcValue::createExpressionNode(
 129             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(30, CSSPrimitiveValue::CSS_PX), true),
 130             CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(40, CSSPrimitiveValue::CSS_NUMBER), true),
 131             CalcMultiply),
 132         style.get());
 133
 134     testExpression(
 135         CSSCalcValue::createExpressionNode(
 136             CSSCalcValue::createExpressionNode(
 137                 CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(50, CSSPrimitiveValue::CSS_PX), true),
 138                 CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(0.25, CSSPrimitiveValue::CSS_NUMBER), false),
 139                 CalcMultiply),
 140             CSSCalcValue::createExpressionNode(
 141                 CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(60, CSSPrimitiveValue::CSS_PX), true),
 142                 CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(0.75, CSSPrimitiveValue::CSS_NUMBER), false),
 143                 CalcMultiply),
 144             CalcAdd),
 145         style.get());
 146 }
 147
 148 }