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| 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 fontSi
ze, unsigned viewportWidth, unsigned viewportHeight) |
| 32 { |
| 33 CSSLengthArray lengthArray; |
| 34 initLengthArray(lengthArray); |
| 35 RefPtr<MutableStylePropertySet> propertySet = MutableStylePropertySet::creat
e(); |
| 36 propertySet->setProperty(CSSPropertyLeft, text); |
| 37 RefPtrWillBeRawPtr<CSSValue> cssValue = propertySet->getPropertyCSSValue(CSS
PropertyLeft); |
| 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) * viewpor
tWidth / 100.0; |
| 46 length += lengthArray.at(CSSPrimitiveValue::UnitTypeViewportHeight) * viewpo
rtHeight / 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}, // CSSCalculat
ionValue 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 CSSCalcul
ationValue. |
| 68 {"calc(500px + 1cm)", 537, true, false}, |
| 69 {"calc(500px - 10s)", 0, false, true}, // This test ASSERTs in CSSCalcul
ationValue. |
| 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 clam
p 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(), mediaV
alues, 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].vali
d, data.defaultFontSize, data.viewportWidth, data.viewportHeight); |
| 133 } |
| 134 } |
| 135 |
| 136 } // namespace |
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