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