| <head> | |
| <script> | |
| function print(message) | |
| { | |
| var paragraph = document.createElement("li"); | |
| paragraph.appendChild(document.createTextNode(message)); | |
| document.getElementById("console").appendChild(paragraph); | |
| } | |
| function test() | |
| { | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| if (window.internals) { | |
| window.internals.setMaxCanvasPixelMemory(16384 * 16384 * 4); | |
| window.internals.setMaxCanvasArea(134217728); | |
| } | |
| var canvas = document.getElementById("bigCanvas"); | |
| var width = canvas.width; | |
| // We need to perform a context fetch to force allocation of | |
| // canvas resources. | |
| if (canvas.getContext) { | |
| var ctx = canvas.getContext("2d"); | |
| if (ctx == null) | |
| print("Canvas 2d context = null!"); | |
| } | |
| print("Survived canvas creation attempt. Width = " + width); | |
| // Resize the canvas to ensure the large canvas doesn't leak into the next test. | |
| canvas.width = 1; | |
| } | |
| </script> | |
| </head> | |
| <body onload="test();"> | |
| <canvas id="bigCanvas" width="134217728" height="1"></canvas> | |
| <p>This test checks to see if the browser survives the attempted creation | |
| of an excessively large canvas.</p> | |
| <hr> | |
| <p><ol id=console></ol></p> | |
| </body> |