38 lines
1.1 KiB
HTML
38 lines
1.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1407669
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-->
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<head>
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<title>Test custom elements runtime exception</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1407669">Bug 1407669</a>
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<script type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, function() {
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window.onerror = function (e) {
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ok(false, "How did we get here!?");
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}
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class Foo extends HTMLElement {
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constructor() {
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super()
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TestFunctions.throwUncatchableException();
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}
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}
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customElements.define("test-custom-element", Foo);
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let element = document.createElement("test-custom-element");
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is(element instanceof HTMLUnknownElement, true, "It should be a HTMLUnknownElement when uncatchable exception throws in constructor");
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ok(true, "Uncatchable exception should not report");
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SimpleTest.finish();
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});
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</script>
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</body>
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</html>
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