| <!DOCTYPE html> |
| <html> |
| <style> |
| canvas { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| <body> |
| <canvas id="canvas"></canvas> |
| <script> |
| function drawFrame(image) { |
| return new Promise((resolve) => { |
| let canvas = document.getElementById("canvas"); |
| let context = canvas.getContext("2d"); |
| context.drawImage(image, 0, 0, canvas.width, canvas.height); |
| setTimeout(() => { |
| resolve(); |
| }, 20); |
| }); |
| } |
| |
| function drawImage(image, frameCount) { |
| let promise = drawFrame(image); |
| for (let frame = 1; frame < frameCount; ++frame) { |
| promise = promise.then(() => { |
| // This forces destroyDecodedData() to be called. |
| internals.pruneMemoryCacheToSize(0); |
| return drawFrame(image); |
| }); |
| } |
| return promise; |
| } |
| |
| function loadImage(src, frameCount) { |
| return new Promise((resolve) => { |
| let image = new Image; |
| image.onload = (() => { |
| if (!window.internals) |
| return; |
| // This forces aysnc image decoding. |
| internals.setImageFrameDecodingDuration(image, 0.030); |
| drawImage(image, frameCount).then(resolve); |
| }); |
| image.src = src; |
| }); |
| } |
| |
| (function() { |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| loadImage("resources/animated-red-green-blue.gif", 10).then(() => { |
| if (window.testRunner) { |
| document.write("PASS. WebKit didn't crash."); |
| testRunner.notifyDone(); |
| } |
| }); |
| })(); |
| </script> |
| </body> |
| </html> |
