1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "config.h" 6 #include "core/css/parser/SizesCalcParser.h" 7 8 #include "core/css/CSSPrimitiveValue.h" 9 #include "core/css/MediaValuesCached.h" 10 #include "core/css/StylePropertySet.h" 11 #include "core/css/parser/MediaQueryTokenizer.h" 12 13 #include <gtest/gtest.h> 14 15 namespace WebCore { 16 17 struct TestCase { 18 const char* input; 19 const unsigned output; 20 const bool valid; 21 const bool dontRunInCSSCalc; 22 }; 23 24 static void initLengthArray(CSSLengthArray& lengthArray) 25 { 26 lengthArray.resize(CSSPrimitiveValue::LengthUnitTypeCount); 27 for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i) 28 lengthArray.at(i) = 0; 29 } 30 31 static void verifyCSSCalc(String text, double value, bool valid, unsigned fontSize, unsigned viewportWidth, unsigned viewportHeight) 32 { 33 CSSLengthArray lengthArray; 34 initLengthArray(lengthArray); 35 RefPtr<MutableStylePropertySet> propertySet = MutableStylePropertySet::create(); 36 propertySet->setProperty(CSSPropertyLeft, text); 37 RefPtrWillBeRawPtr<CSSValue> cssValue = propertySet->getPropertyCSSValue(CSSPropertyLeft); 38 CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(cssValue.get()); 39 if (primitiveValue) 40 primitiveValue->accumulateLengthArray(lengthArray); 41 else 42 ASSERT_EQ(valid, false); 43 int length = lengthArray.at(CSSPrimitiveValue::UnitTypePixels); 44 length += lengthArray.at(CSSPrimitiveValue::UnitTypeFontSize) * fontSize; 45 length += lengthArray.at(CSSPrimitiveValue::UnitTypeViewportWidth) * viewportWidth / 100.0; 46 length += lengthArray.at(CSSPrimitiveValue::UnitTypeViewportHeight) * viewportHeight / 100.0; 47 ASSERT_EQ(value, length); 48 } 49 50 51 TEST(SizesCalcParserTest, Basic) 52 { 53 TestCase testCases[] = { 54 {"calc(500px + 10em)", 660, true, false}, 55 {"calc(500px + 2 * 10em)", 820, true, false}, 56 {"calc(500px + 2*10em)", 820, true, false}, 57 {"calc(500px + 0.5*10em)", 580, true, false}, 58 {"calc(500px + (0.5*10em + 13px))", 593, true, false}, 59 {"calc(100vw + (0.5*10em + 13px))", 593, true, false}, 60 {"calc(100vh + (0.5*10em + 13px))", 736, true, false}, 61 {"calc(100vh + calc(0.5*10em + 13px))", 736, true, true}, // CSSCalculationValue does not parse internal "calc(". 62 {"calc(100vh + (50%*10em + 13px))", 0, false, false}, 63 {"calc(50em+13px)", 0, false, false}, 64 {"calc(50em-13px)", 0, false, false}, 65 {"calc(500px + 10)", 0, false, false}, 66 {"calc(500 + 10)", 0, false, false}, 67 {"calc(500px + 10s)", 0, false, true}, // This test ASSERTs in CSSCalculationValue. 68 {"calc(500px + 1cm)", 537, true, false}, 69 {"calc(500px - 10s)", 0, false, true}, // This test ASSERTs in CSSCalculationValue. 70 {"calc(500px - 1cm)", 462, true, false}, 71 {"calc(50px*10)", 500, true, false}, 72 {"calc(50px*10px)", 0, false, false}, 73 {"calc(50px/10px)", 0, false, false}, 74 {"calc(500px/10)", 50, true, false}, 75 {"calc(500/10)", 0, false, false}, 76 {"calc(500px/0.5)", 1000, true, false}, 77 {"calc(500px/.5)", 1000, true, false}, 78 {"calc(500/0)", 0, false, false}, 79 {"calc(500px/0)", 0, false, false}, 80 {"calc(-500px/10)", 0, true, true}, // CSSCalculationValue does not clamp negative values to 0. 81 {"calc(((4) * ((10px))))", 40, true, false}, 82 {"calc(50px / 0)", 0, false, false}, 83 {"calc(50px / (10 + 10))", 2, true, false}, 84 {"calc(50px / (10 - 10))", 0, false, false}, 85 {"calc(50px / (10 * 10))", 0, true, false}, 86 {"calc(50px / (10 / 10))", 50, true, false}, 87 {"calc(200px*)", 0, false, false}, 88 {"calc(+ +200px)", 0, false, false}, 89 {"calc()", 0, false, false}, 90 {"calc(100px + + +100px)", 0, false, false}, 91 {"calc(200px 200px)", 0, false, false}, 92 {"calc(100px * * 2)", 0, false, false}, 93 {"calc(100px @ 2)", 0, false, false}, 94 {"calc(1 flim 2)", 0, false, false}, 95 {"calc(100px @ 2)", 0, false, false}, 96 {"calc(1 flim 2)", 0, false, false}, 97 {"calc(1 flim (2))", 0, false, false}, 98 {0, 0, true, false} // Do not remove the terminator line. 99 }; 100 101 102 MediaValuesCached::MediaValuesCachedData data; 103 data.viewportWidth = 500; 104 data.viewportHeight = 643; 105 data.deviceWidth = 500; 106 data.deviceHeight = 643; 107 data.devicePixelRatio = 2.0; 108 data.colorBitsPerComponent = 24; 109 data.monochromeBitsPerComponent = 0; 110 data.pointer = MediaValues::MousePointer; 111 data.defaultFontSize = 16; 112 data.threeDEnabled = true; 113 data.scanMediaType = false; 114 data.screenMediaType = true; 115 data.printMediaType = false; 116 data.strictMode = true; 117 RefPtr<MediaValues> mediaValues = MediaValuesCached::create(data); 118 119 for (unsigned i = 0; testCases[i].input; ++i) { 120 Vector<MediaQueryToken> tokens; 121 MediaQueryTokenizer::tokenize(testCases[i].input, tokens); 122 unsigned output; 123 bool valid = SizesCalcParser::parse(tokens.begin(), tokens.end(), mediaValues, output); 124 ASSERT_EQ(testCases[i].valid, valid); 125 if (valid) 126 ASSERT_EQ(testCases[i].output, output); 127 } 128 129 for (unsigned i = 0; testCases[i].input; ++i) { 130 if (testCases[i].dontRunInCSSCalc) 131 continue; 132 verifyCSSCalc(testCases[i].input, testCases[i].output, testCases[i].valid, data.defaultFontSize, data.viewportWidth, data.viewportHeight); 133 } 134 } 135 136 } // namespace 137
