| <!DOCTYPE html> |
| <title>Test for canvas bug where fillText resets the current context</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| |
| <body></body> |
| <script> |
| // Bug: https://bugs.webkit.org/show_bug.cgi?id=26436. |
| // You must see green box with message 'This text should be seen', |
| // and black box below the green box. |
| test(function() { |
| function pixelToString(p) { |
| return "[" + p[0] + ", " + p[1] + ", " + p[2] + ", " + p[3] + "]" |
| } |
| |
| var canvas = document.createElement("canvas"); |
| canvas.height = 100; |
| canvas.width = 500; |
| canvas.style.height = "100"; |
| canvas.style.width = "500"; |
| |
| document.body.appendChild(canvas); |
| |
| var ctx = canvas.getContext('2d'); |
| ctx.fillStyle = 'rgb(0,255,0)'; |
| ctx.fillRect(0, 0, 500, 100); |
| ctx.fillStyle = 'rgb(0,0,0)'; |
| ctx.fillText("This text should be seen", 20, 20); |
| ctx.translate(0, 50); |
| ctx.font = "10pt Arial"; |
| ctx.fillText("This text should NOT be seen", 20, 20); |
| // If fillText resets the current context, this rectangle won't hide the text. |
| ctx.fillStyle = 'rgb(0,0,0)'; |
| ctx.fillRect(0, 0, 500, 50); |
| |
| // Pixel value at 0, 0 |
| var pixel = ctx.getImageData(0, 0, 1, 1).data; |
| |
| var expectedValue = [0, 255, 0, 255]; |
| assert_array_equals(pixel, expectedValue); |
| }); |
| </script> |