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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <script src="../../resources/testharness.js"></script> |
2 <html> | 2 <script src="../../resources/testharnessreport.js"></script> |
3 <head> | |
4 <script src="../../resources/js-test.js"></script> | |
5 </head> | |
6 <body> | 3 <body> |
7 <script src="script-tests/canvas-lineDash-invalid.js"></script> | 4 <script> |
| 5 |
| 6 var canvas = document.createElement('canvas'); |
| 7 document.body.appendChild(canvas); |
| 8 canvas.setAttribute('width', '700'); |
| 9 canvas.setAttribute('height', '700'); |
| 10 var ctx = canvas.getContext('2d'); |
| 11 var initialLineDash = [1.5, 2.5]; |
| 12 var initialLineDashOffset = 1.5; |
| 13 |
| 14 function resetLineDash() { |
| 15 ctx.setLineDash(initialLineDash); |
| 16 ctx.lineDashOffset = initialLineDashOffset; |
| 17 } |
| 18 |
| 19 function trySettingLineDash(value) { |
| 20 resetLineDash(); |
| 21 ctx.setLineDash(value); |
| 22 return ctx.getLineDash(); |
| 23 } |
| 24 |
| 25 function trySettingLineDashWithNoArgs() { |
| 26 resetLineDash(); |
| 27 ctx.setLineDash(); |
| 28 return ctx.getLineDash(); |
| 29 } |
| 30 |
| 31 function trySettingLineDashOffset(value) { |
| 32 resetLineDash(); |
| 33 ctx.lineDashOffset = value; |
| 34 return ctx.lineDashOffset; |
| 35 } |
| 36 |
| 37 test(function(t) { |
| 38 assert_array_equals(trySettingLineDash([1, -1]), initialLineDash); |
| 39 assert_array_equals(trySettingLineDash([1, Infinity]), initialLineDash); |
| 40 assert_array_equals(trySettingLineDash([1, -Infinity]), initialLineDash); |
| 41 assert_array_equals(trySettingLineDash([1, NaN]), initialLineDash); |
| 42 assert_array_equals(trySettingLineDash([1, 'string']), initialLineDash); |
| 43 assert_throws(null, function() {trySettingLineDashWithNoArgs();}, '"TypeErro
r: Failed to execute \'setLineDash\' on \'CanvasRenderingContext2D\': 1 argument
required, but only 0 present."'); |
| 44 |
| 45 assert_array_equals(trySettingLineDashOffset(Infinity), initialLineDashOffse
t); |
| 46 assert_array_equals(trySettingLineDashOffset(-Infinity), initialLineDashOffs
et); |
| 47 assert_array_equals(trySettingLineDashOffset(NaN), initialLineDashOffset); |
| 48 assert_array_equals(trySettingLineDashOffset('string'), initialLineDashOffse
t); |
| 49 |
| 50 }, "Test for invalid input of setLineDash, getLineDash and lineDashOffset"); |
| 51 </script> |
8 </body> | 52 </body> |
9 </html> | |
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