Chromium Code Reviews| OLD | NEW |
|---|---|
| 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <!DOCTYPE HTML> |
| 2 <html> | 2 <title>SVGLength, converting from 'px' to other units (attached)</title> |
| 3 <head> | 3 <script src="../../resources/testharness.js"></script> |
| 4 <script src="../../resources/js-test.js"></script> | 4 <script src="../../resources/testharnessreport.js"></script> |
| 5 </head> | 5 <p></p> |
| 6 <body> | 6 <script> |
| 7 <p id="description"></p> | 7 var cssPixelsPerInch = 96; |
| 8 <div id="console"></div> | 8 setup(function() { |
| 9 <script src="script-tests/SVGLength-px-with-context.js"></script> | 9 // Setup a real SVG document, so SVGLength can resolve relative units. |
| 10 </body> | 10 var svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg") ; |
| 11 </html> | 11 svgElement.setAttribute("width", "150"); |
| 12 svgElement.setAttribute("height", "50"); | |
| 13 svgElement.setAttribute("viewBox", "0 0 150 50"); | |
| 14 var rectElement = document.createElementNS("http://www.w3.org/2000/svg", "rect "); | |
| 15 rectElement.setAttribute("style", "visibility: hidden; font-size: 12px; font-f amily: Ahem;"); | |
| 16 svgElement.appendChild(rectElement); | |
| 17 document.querySelector("p").appendChild(svgElement); | |
| 18 | |
| 19 // Extract test information | |
| 20 window.length = rectElement.x.baseVal; | |
| 21 window.svgWidth = svgElement.width.baseVal.value; | |
| 22 window.svgHeight = svgElement.height.baseVal.value; | |
| 23 window.fontSize = parseInt(rectElement.style.fontSize); | |
| 24 // TODO(shanmuga.m) : // Since calculateXHeight() triggers force layout, relat ive length units are resolved. | |
| 25 // So make convertToSpecifiedUnits to update pending style sheet and do relayo ut if needed. | |
| 26 window.xHeight = calculateXHeight(); | |
| 27 | |
| 28 function calculateXHeight() { | |
| 29 // Crude hack to calculate the x-height | |
| 30 var divElement = document.createElement("div"); | |
| 31 divElement.setAttribute("style", "height: 1ex; font-size: 12px; font-family: Ahem;"); | |
| 32 var pElement = document.querySelector("p"); | |
| 33 pElement.appendChild(divElement); | |
| 34 var xHeight = divElement.offsetHeight; | |
| 35 pElement.removeChild(divElement); | |
| 36 return xHeight; | |
| 37 } | |
| 38 }); | |
| 39 | |
| 40 test(function() { | |
| 41 length.valueAsString = "2px"; | |
| 42 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_NUMBER); | |
| 43 assert_equals(length.valueAsString, "2"); | |
| 44 assert_equals(length.value, 2); | |
| 45 assert_equals(length.valueInSpecifiedUnits, 2); | |
| 46 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_NUMBER); | |
| 47 }, document.title + ", unitless"); | |
| 48 | |
| 49 test(function() { | |
| 50 length.valueAsString = "2px"; | |
| 51 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE); | |
| 52 referenceValue = Number(2 / svgWidth * 100).toFixed(5); | |
|
fs
2016/09/01 12:31:12
var referenceValue
Shanmuga Pandi
2016/09/01 13:18:17
Done.
| |
| 53 assert_equals(length.valueAsString, referenceValue + "%"); | |
| 54 assert_equals(length.valueInSpecifiedUnits.toFixed(5), referenceValue); | |
| 55 assert_equals(length.value.toFixed(1), "2.0"); | |
| 56 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_PERCENTAGE); | |
| 57 }, document.title + ", percentage"); | |
| 58 | |
| 59 test(function() { | |
| 60 length.valueAsString = "2px"; | |
| 61 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_EMS); | |
| 62 referenceValue = Number(2 / fontSize).toFixed(6); | |
|
fs
2016/09/01 12:31:12
Ditto.
| |
| 63 assert_equals(length.valueAsString, referenceValue + "em"); | |
| 64 assert_equals(length.valueInSpecifiedUnits.toFixed(6), referenceValue); | |
| 65 assert_equals(length.value.toFixed(1), "2.0"); | |
| 66 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_EMS); | |
| 67 }, document.title + ", ems"); | |
| 68 | |
| 69 test(function() { | |
| 70 length.valueAsString = "2px"; | |
| 71 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_EXS); | |
| 72 referenceValue = Number(2 / xHeight).toFixed(1); | |
|
fs
2016/09/01 12:31:12
Ditto.
| |
| 73 // Don't check valueAsString here, it's unreliable across browsers. | |
| 74 assert_equals(length.valueInSpecifiedUnits.toFixed(1), referenceValue); | |
| 75 assert_equals(length.value.toFixed(1), "2.0"); | |
| 76 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_EXS); | |
| 77 }, document.title + " , exs"); | |
| 78 | |
| 79 test(function() { | |
| 80 length.valueAsString = "2px"; | |
| 81 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_CM); | |
| 82 referenceValue = Number(2 * 2.54 / cssPixelsPerInch).toFixed(7); | |
|
fs
2016/09/01 12:31:12
Ditto.
| |
| 83 assert_equals(length.valueAsString, referenceValue + "cm"); | |
| 84 assert_equals(length.valueInSpecifiedUnits.toFixed(7), referenceValue); | |
| 85 assert_equals(length.value.toFixed(1), "2.0"); | |
| 86 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_CM); | |
| 87 }, document.title + ", cm"); | |
| 88 | |
| 89 test(function() { | |
| 90 length.valueAsString = "2px"; | |
| 91 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_MM); | |
| 92 referenceValue = Number(2 * 25.4 / cssPixelsPerInch).toFixed(6); | |
|
fs
2016/09/01 12:31:12
Ditto.
| |
| 93 assert_equals(length.valueAsString, referenceValue + "mm"); | |
| 94 assert_equals(length.valueInSpecifiedUnits.toFixed(6), referenceValue); | |
| 95 assert_equals(length.value.toFixed(1), "2.0"); | |
| 96 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_MM); | |
| 97 }, document.title + ", mm"); | |
| 98 | |
| 99 test(function() { | |
| 100 length.valueAsString = "2px"; | |
| 101 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_IN); | |
| 102 referenceValue = Number(2 / cssPixelsPerInch).toFixed(7); | |
|
fs
2016/09/01 12:31:12
Etc...
| |
| 103 assert_equals(length.valueAsString, referenceValue + "in"); | |
| 104 assert_equals(length.valueInSpecifiedUnits.toFixed(7), referenceValue); | |
| 105 assert_equals(length.value.toFixed(1), "2.0"); | |
| 106 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_IN); | |
| 107 }, document.title + ", in"); | |
| 108 | |
| 109 test(function() { | |
| 110 length.valueAsString = "2px"; | |
| 111 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PT); | |
| 112 referenceValue = Number(2 / cssPixelsPerInch * 72); | |
| 113 assert_equals(length.valueAsString, referenceValue + "pt"); | |
| 114 assert_equals(length.valueInSpecifiedUnits, referenceValue); | |
| 115 assert_equals(length.value.toFixed(1), "2.0"); | |
| 116 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_PT); | |
| 117 }, document.title + ", pt"); | |
| 118 | |
| 119 test(function() { | |
| 120 length.valueAsString = "2px"; | |
| 121 length.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PC); | |
| 122 referenceValue = Number(2 / cssPixelsPerInch * 6).toFixed(3); | |
| 123 // Don't check valueAsString here, it's unreliable across browsers. | |
| 124 assert_equals(length.valueInSpecifiedUnits.toFixed(3), referenceValue); | |
| 125 assert_equals(length.value.toFixed(1), "2.0"); | |
| 126 assert_equals(length.unitType, SVGLength.SVG_LENGTHTYPE_PC); | |
| 127 }, document.title + ", pc"); | |
| 128 </script> | |
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