| <!DOCTYPE html><!-- webkit-test-runner [ experimental:CSSPaintingAPIEnabled=true ] --> |
| <meta name="author" title="Justin Michaud" href="mailto:justin_michaud@webkit.org"> |
| <meta name="assert" content="Test that paint worklets do not crash if the constructor throws"> |
| <link rel="help" content="https://drafts.css-houdini.org/css-paint-api-1/"> |
| <script src="resources/testharness.js"></script> |
| |
| <script id="code" type="text/worklet"> |
| class MyPaint { |
| constructor() { |
| throw "Hello!"; |
| } |
| |
| paint(ctx, geom) { |
| ctx.fillStyle = "green"; |
| ctx.fillRect(0, 0, geom.width, geom.height); |
| } |
| } |
| |
| class MyPaint2 { |
| constructor() { |
| } |
| |
| paint(ctx, geom) { |
| ctx.fillStyle = "green"; |
| ctx.fillRect(0, 0, geom.width, geom.height); |
| } |
| } |
| registerPaint('my-paint', MyPaint); |
| registerPaint('my-paint2', MyPaint2); |
| </script> |
| |
| <script type="text/javascript"> |
| importWorklet(CSS.paintWorklet, document.getElementById('code').textContent); |
| setTimeout(function() { |
| if (window.internals && window.internals.isAnyWorkletGlobalScopeAlive()) { |
| document.getElementById('leaks').style.background = "green"; |
| } |
| }, 500); |
| </script> |
| |
| <style> |
| .paint { |
| width: 150px; |
| height: 150px; |
| } |
| </style> |
| |
| <body> |
| <div class="paint" style="background-image: paint(my-paint);"></div> |
| <div class="paint" style="background-image: paint(my-paint2);"></div> |
| <div id="leaks" style="background: red; width: 150px; height: 150px;"></div> |
| </body> |
