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| 1 <!doctype html> | |
| 2 <title>SVGlength tests</title> | |
| 3 <script src=../../resources/testharness.js></script> | |
| 4 <script src=../../resources/testharnessreport.js></script> | |
| 5 <div id="testcontainer"> | |
| 6 <svg width="1" height="1" visibility="hidden"> </svg> | |
| 7 </div> | |
| 8 <script> | |
| 9 | |
| 10 var svg = document.querySelector("svg"); | |
| 11 | |
| 12 var EPSILON = Math.pow(2, -8); | |
| 13 var lengths = [10, 0, 360, 500, 90, 180, 45, 25.9]; | |
| 14 var validUnits = { | |
| 15 "" : 1, | |
| 16 "%": 2, | |
| 17 "em": 3, | |
| 18 "ex": 4, | |
| 19 "px": 5, | |
| 20 "cm": 6, | |
| 21 "mm": 7, | |
| 22 "in": 8, | |
| 23 "pt": 9, | |
| 24 "pc": 10, | |
| 25 }; | |
| 26 | |
| 27 function createLength(valuestr) { | |
| 28 var length = svg.createSVGLength(); | |
| 29 length.valueAsString = valuestr; | |
| 30 return length; | |
| 31 } | |
| 32 | |
| 33 function convertTo(value, unit, outunit) { | |
| 34 var userUnits; | |
| 35 var cssPixelsPerInch = 96; | |
| 36 var cssPixelsPerCentimeter = cssPixelsPerInch / 2.54; //2.54 cm/in | |
| 37 var cssPixelsPerMillimeter = cssPixelsPerCentimeter / 10; | |
| 38 var cssPixelsPerPoint = cssPixelsPerInch / 72; | |
| 39 var cssPixelsPerPica = cssPixelsPerInch / 6; | |
| 40 | |
| 41 switch(unit) { | |
| 42 case "": | |
| 43 case "px": | |
| 44 userUnits = value; | |
| 45 break; | |
| 46 case "%": | |
| 47 case "em": | |
| 48 case "ex": | |
| 49 case "rem": | |
| 50 case "ch": | |
| 51 return value; | |
| 52 case "cm": | |
| 53 userUnits = value * cssPixelsPerCentimeter; | |
| 54 break; | |
| 55 case "mm": | |
| 56 userUnits = value * cssPixelsPerMillimeter; | |
| 57 break; | |
| 58 case "in": | |
| 59 userUnits = value * cssPixelsPerInch; | |
| 60 break; | |
| 61 case "pt": | |
| 62 userUnits = value * cssPixelsPerPoint; | |
| 63 break; | |
| 64 case "pc": | |
| 65 userUnits = value * cssPixelsPerPica; | |
| 66 break; | |
| 67 } | |
| 68 | |
| 69 switch(outunit) { | |
| 70 case "": | |
| 71 case "px": | |
| 72 return userUnits; | |
| 73 case "%": | |
| 74 case "em": | |
| 75 case "ex": | |
| 76 case "rem": | |
| 77 case "ch": | |
| 78 return value; | |
| 79 case "cm": | |
| 80 return userUnits / cssPixelsPerCentimeter; | |
| 81 case "mm": | |
| 82 return userUnits / cssPixelsPerMillimeter; | |
| 83 case "in": | |
| 84 return userUnits / cssPixelsPerInch; | |
| 85 case "pt": | |
| 86 return userUnits / cssPixelsPerPoint; | |
| 87 case "pc": | |
| 88 return userUnits / cssPixelsPerPica; | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 test(function() { | |
| 93 for (var unit in validUnits) { | |
| 94 var length = createLength(10 + unit); | |
| 95 assert_equals(length.unitType, validUnits[unit]); | |
| 96 } | |
| 97 }, "Test valid unit types are accepted in valueAsString"); | |
| 98 | |
| 99 test(function() { | |
| 100 var invalidUnits = { | |
| 101 "rem": 1, | |
| 102 "ch": 2 | |
| 103 }; | |
| 104 for (var unit in invalidUnits) { | |
| 105 assert_throws(null, function() { createLength(10 + unit) }); | |
| 106 } | |
| 107 }, "Test invalid unit types are not accepted in valueAsString"); | |
| 108 | |
| 109 test(function() { | |
| 110 var unitConstants = { | |
| 111 "UNKNOWN" : 0, | |
| 112 "NUMBER": 1, | |
| 113 "PERCENTAGE": 2, | |
| 114 "EMS": 3, | |
| 115 "EXS": 4, | |
| 116 "PX": 5, | |
| 117 "CM": 6, | |
| 118 "MM": 7, | |
| 119 "IN": 8, | |
| 120 "PT": 9, | |
| 121 "PC": 10, | |
| 122 }; | |
| 123 for (var constant in unitConstants) { | |
| 124 var str = "SVG_LENGTHTYPE_" + constant; | |
| 125 assert_exists(SVGLength, str, str + " should exist in SVGlength"); | |
| 126 } | |
| 127 }, "Test that unit constants that are supposed to be exposed are available"); | |
| 128 | |
| 129 test(function() { | |
| 130 var nonexposedUnitConstants = { | |
| 131 "REMS": 11, | |
| 132 "CHS":12 | |
| 133 }; | |
| 134 for (var constant in nonexposedUnitConstants) { | |
| 135 var str = "SVG_LENGTHTYPE_" + constant; | |
| 136 assert_not_exists(SVGLength, str, str + " should not be exposed in SVGlength
"); | |
| 137 } | |
| 138 }, "Test that unit constants that are not supposed to be exposed are not availab
le"); | |
| 139 | |
| 140 test(function() { | |
| 141 for (var i = 0; i < validUnits.length; ++i) { | |
| 142 var unit = validUnits[i]; | |
| 143 for (var j = 0; j < lengths.length; ++j) { | |
| 144 var length = lengths[i]; | |
| 145 var value = createLength(length + unit); | |
| 146 assert_equals(length, value.valueInSpecifiedUnits); | |
| 147 } | |
| 148 } | |
| 149 }, "Test result from valueInSpecifiedUnits"); | |
| 150 | |
| 151 test(function() { | |
| 152 var nonRelativeUnits = ["px", "cm", "mm", "in", "pt", "pc"]; | |
| 153 | |
| 154 for (var i = 0; i < lengths.length; ++i) { | |
| 155 var length = lengths[i]; | |
| 156 for (var j = 0; j < nonRelativeUnits.length; ++j) { | |
| 157 var unit = nonRelativeUnits[j]; | |
| 158 var lengthStr = length + unit; | |
| 159 for (var k = 0; k < nonRelativeUnits.length; ++k) { | |
| 160 var otherUnit = nonRelativeUnits[k]; | |
| 161 var svgLength = createLength(lengthStr); | |
| 162 svgLength.convertToSpecifiedUnits(validUnits[otherUnit]); | |
| 163 assert_approx_equals(svgLength.valueInSpecifiedUnits, convertTo(length,
unit, otherUnit), EPSILON); | |
| 164 } | |
| 165 } | |
| 166 } | |
| 167 }, "Test converting unit types for non-relative units"); | |
| 168 | |
| 169 test(function() { | |
| 170 for (var i = 0; i < lengths.length; ++i) { | |
| 171 var length = lengths[i]; | |
| 172 for (var j = 0; j < validUnits.length; ++j) { | |
| 173 var unit = validUnits[j]; | |
| 174 var ref = createLength(length + unit); | |
| 175 | |
| 176 for (var k = 0; k < validUnits.length; ++k) { | |
| 177 var otherUnit = validUnits[k]; | |
| 178 | |
| 179 var value = createLength(47 + otherUnit); | |
| 180 value.newValueSpecifiedUnits(unit, length); | |
| 181 | |
| 182 assert_equals(value.valueAsString, ref.valueAsString); | |
| 183 } | |
| 184 } | |
| 185 } | |
| 186 }, "Test newValueSpecifiedUnits for each unit"); | |
| 187 | |
| 188 </script> | |
| 189 | |
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Chromium Code Reviews
Issue 2118903003:
Relocate tests from fast/svg/ to svg/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@move-fast-svg-tests