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| 1 <html> | 1 <!DOCTYPE html> |
| 2 <head> | 2 <title>Transform parser fuzzer (matrix, rotate, scale)</title> |
| 3 <script src="../../resources/js-test.js"></script> | |
| 4 <script src="resources/scripted-random.js"></script> | 3 <script src="resources/scripted-random.js"></script> |
| 5 </head> | 4 <script src="resources/transform-parser-fuzzer.js"></script> |
| 6 <body> | |
| 7 <p id="description"></p> | |
| 8 <div id="console"></div> | |
| 9 <script> | 5 <script> |
| 10 description("This test fuzzes the transform parser with semi-random attribut
e values and dumps the results of any values that parse successfully."); | 6 fuzzTransforms({ matrix: 6, rotate: 1, scale: 1 }); |
| 11 | |
| 12 var transforms = { // maps a transform name to its minimum argument count | |
| 13 matrix: 6, | |
| 14 rotate: 1, | |
| 15 scale: 1, | |
| 16 skewX: 1, | |
| 17 skewY: 1, | |
| 18 translate: 1 | |
| 19 }; | |
| 20 | |
| 21 var characters = [ | |
| 22 "0", | |
| 23 "1", | |
| 24 "2", | |
| 25 "3", | |
| 26 "4", | |
| 27 "5", | |
| 28 "6", | |
| 29 "7", | |
| 30 "8", | |
| 31 "9", | |
| 32 ".", | |
| 33 "e", | |
| 34 "+", | |
| 35 "-", | |
| 36 "e", | |
| 37 "(", | |
| 38 ")", | |
| 39 " ", | |
| 40 "\t", | |
| 41 "," | |
| 42 ]; | |
| 43 | |
| 44 var gElement = document.createElementNS("http://www.w3.org/2000/svg", "g"); | |
| 45 function parseTransform(string) | |
| 46 { | |
| 47 gElement.setAttributeNS(null, "transform", string); | |
| 48 | |
| 49 var transformList = gElement.transform.baseVal; | |
| 50 if (!transformList.numberOfItems) | |
| 51 return; | |
| 52 | |
| 53 debug("Parsed as " + transformList.numberOfItems + " transform(s): " + s
tring); | |
| 54 } | |
| 55 | |
| 56 function fuzz() | |
| 57 { | |
| 58 for (var transform in transforms) { | |
| 59 | |
| 60 // Too few / too many arguments | |
| 61 for (var i = 0; i < 50; i++) { //> | |
| 62 var transformString = transform + "("; | |
| 63 for (var j = 0; j < i; j++) { //> | |
| 64 transformString += "0"; | |
| 65 if (j < i - 1) //> | |
| 66 transformString += ","; | |
| 67 } | |
| 68 transformString += ")"; | |
| 69 parseTransform(transformString); | |
| 70 } | |
| 71 | |
| 72 // Random assortments of valid characters | |
| 73 for (var i = 0; i < 100; i++) { //> | |
| 74 var transformString = transform + "("; | |
| 75 var count = Math.scriptedRandomInt(20); | |
| 76 for (var j = 0; j < count; j++) { //> | |
| 77 transformString += characters[Math.scriptedRandomInt(charact
ers.length)]; | |
| 78 } | |
| 79 parseTransform(transformString); | |
| 80 } | |
| 81 | |
| 82 // Transform names that are "off by one" | |
| 83 var extraChar = transform.charAt(transform.length - 1); | |
| 84 parseTransform(transform + extraChar + "(0, 0)"); | |
| 85 parseTransform(transform.substring(0, transform.length - 1) + "(0, 0
)"); | |
| 86 | |
| 87 // Empty-ish transforms | |
| 88 parseTransform(transform); | |
| 89 parseTransform(transform + String.fromCharCode(0)); | |
| 90 parseTransform(transform + "(" + String.fromCharCode(0) + ")"); | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 fuzz(); | |
| 95 | |
| 96 </script> | 7 </script> |
| 97 </html> | 8 <p>DONE</p> |
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Chromium Code Reviews
Issue 2646503002:
Split svg/dom/transform-parser.html (Closed)
