| <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.fillStyle = '#f00'; |
| ctx.fillText("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 pixelsCheck = true; |
| loopMain1: |
| for (var i = 0; i < h; ++i) { |
| for (var j = 0; j < w; ++j) { |
| if (d[4 * (w * i + j) + 0] != 0) pixelsCheck = false; |
| if (d[4 * (w * i + j) + 1] != 255) pixelsCheck = false; |
| if (d[4 * (w * i + j) + 2] != 0) pixelsCheck = false; |
| if (d[4 * (w * i + j) + 3] != 255) pixelsCheck = false; |
| if(!pixelsCheck) break loopMain1; |
| } |
| } |
| assert_true(pixelsCheck); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, canvasWidth, canvasHeight); |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillText("fail fail fail fail fail", 5, 35, -1); |
| |
| var imageData = ctx.getImageData(0, 0, canvasWidth, canvasHeight); |
| var w = imageData.width, h = imageData.height, d = imageData.data; |
| pixelsCheck = true; |
| loopMain2: |
| for (var i = 0; i < h; ++i) { |
| for (var j = 0; j < w; ++j) { |
| if (d[4 * (w * i + j) + 0] != 0) pixelsCheck = false; |
| if (d[4 * (w * i + j) + 1] != 255) pixelsCheck = false; |
| if (d[4 * (w * i + j) + 2] != 0) pixelsCheck = false; |
| if (d[4 * (w * i + j) + 3] != 255) pixelsCheck = false; |
| if(!pixelsCheck) break loopMain2; |
| } |
| } |
| assert_true(pixelsCheck); |
| |
| }, 'Series of tests to ensure that fillText() does not display any text when maxWidth is invalid.'); |
| </script> |
| </body> |
| |
