| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="resources/scripted-random.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| <script> |
| description("This test fuzzes the transform parser with semi-random attribute values and dumps the results of any values that parse successfully."); |
| |
| var transforms = { // maps a transform name to its minimum argument count |
| matrix: 6, |
| rotate: 1, |
| scale: 1, |
| skewX: 1, |
| skewY: 1, |
| translate: 1 |
| }; |
| |
| var characters = [ |
| "0", |
| "1", |
| "2", |
| "3", |
| "4", |
| "5", |
| "6", |
| "7", |
| "8", |
| "9", |
| ".", |
| "e", |
| "+", |
| "-", |
| "e", |
| "(", |
| ")", |
| " ", |
| "\t", |
| "," |
| ]; |
| |
| var gElement = document.createElementNS("http://www.w3.org/2000/svg", "g"); |
| function parseTransform(string) |
| { |
| gElement.setAttributeNS(null, "transform", string); |
| |
| var transformList = gElement.transform.baseVal; |
| if (!transformList.numberOfItems) |
| return; |
| |
| debug("Parsed as " + transformList.numberOfItems + " transform(s): " + string); |
| } |
| |
| function fuzz() |
| { |
| for (var transform in transforms) { |
| |
| // Too few / too many arguments |
| for (var i = 0; i < 50; i++) { //> |
| var transformString = transform + "("; |
| for (var j = 0; j < i; j++) { //> |
| transformString += "0"; |
| if (j < i - 1) //> |
| transformString += ","; |
| } |
| transformString += ")"; |
| parseTransform(transformString); |
| } |
| |
| // Random assortments of valid characters |
| for (var i = 0; i < 100; i++) { //> |
| var transformString = transform + "("; |
| var count = Math.scriptedRandomInt(20); |
| for (var j = 0; j < count; j++) { //> |
| transformString += characters[Math.scriptedRandomInt(characters.length)]; |
| } |
| parseTransform(transformString); |
| } |
| |
| // Transform names that are "off by one" |
| var extraChar = transform.charAt(transform.length - 1); |
| parseTransform(transform + extraChar + "(0, 0)"); |
| parseTransform(transform.substring(0, transform.length - 1) + "(0, 0)"); |
| |
| // Empty-ish transforms |
| parseTransform(transform); |
| parseTransform(transform + String.fromCharCode(0)); |
| parseTransform(transform + "(" + String.fromCharCode(0) + ")"); |
| } |
| } |
| |
| fuzz(); |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </html> |
