| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| test(function(t) { |
| |
| var canvas = document.createElement('canvas'); |
| var ctx = canvas.getContext('2d'); |
| var canvasWidth = 100; |
| var canvasHeight = 50; |
| canvas.setWidth = canvasWidth; |
| canvas.setHeight = canvasHeight; |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, canvasWidth, canvasHeight); |
| ctx.font = '35px Arial, sans-serif'; |
| |
| ctx.strokeStyle = '#f00'; |
| ctx.strokeText("fail fail fail fail fail", 5, 35, 0); |
| |
| var imageData = ctx.getImageData(0, 0, canvasWidth, canvasHeight); |
| var w = imageData.width, h = imageData.height, d = imageData.data; |
| var testPassed = true; |
| var expectedColor = [0, 255, 0, 255]; |
| mainLoop1: |
| for (var i = 0; i < h; ++i) { |
| for (var k = 0; k < 4; ++k) { |
| var j = w; |
| while (--j > 0 && d[4 * (w * i + j) + k] == expectedColor[k]); |
| testPassed = testPassed && j == 0; |
| if(!testPassed) |
| break mainLoop1; |
| |
| } |
| } |
| assert_true(testPassed); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, canvasWidth, canvasHeight); |
| |
| ctx.strokeStyle = '#f00'; |
| ctx.strokeText("fail fail fail fail fail", 5, 35, -1); |
| |
| imageData = ctx.getImageData(0, 0, canvasWidth, canvasHeight); |
| d = imageData.data; |
| testPassed = true; |
| mainLoop2: |
| for (var i = 0; i < h; ++i) { |
| for (var k = 0; k < 4; ++k) { |
| var j = w; |
| while (--j > 0 && d[4 * (w * i + j) + k] == expectedColor[k]); |
| testPassed = testPassed && j == 0; |
| if(!testPassed) |
| break mainLoop2; |
| } |
| } |
| assert_true(testPassed); |
| |
| }, 'Series of tests to ensure that strokeText() does not display any text when maxWidth is invalid.'); |
| </script> |
| </body> |
| |
