25 lines
795 B
HTML
25 lines
795 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Check for crashes when a whenDefined promise resolving re-entries</title>
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<meta name="author" href="mailto:xiaochengh@chromium.org">
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<link rel="help" href="https://html.spec.whatwg.org/multipage/custom-elements.html#custom-elements-api">
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<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1366813">
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<script>
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class CustomElement extends HTMLElement {}
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Object.prototype.__defineGetter__("then", main);
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let depth = 0;
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function main() {
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if (depth > 1) return;
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++depth;
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customElements.whenDefined("custom-a"); // Causes re-entry of main()
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try { customElements.define("custom-a", CustomElement) } catch (e) {}
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customElements.whenDefined("custom-b");
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--depth;
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}
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main();
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</script>
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Test passes if it does not crash.
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