34 lines
1.2 KiB
HTML
34 lines
1.2 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>getUserMedia({}) rejects with TypeError</title>
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<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>
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<link rel="help" href="https://w3c.github.io/mediacapture-main/#dom-mediadevices-getusermedia">
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</head>
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<body>
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<h1 class="instructions">Description</h1>
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<p class="instructions">This test checks that getUserMedia with no value in the
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options parameter raises a TypeError exception.</p>
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<div id='log'></div>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script>
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promise_test(async () => {
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try {
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// Race a settled promise to check that the returned promise is already
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// rejected.
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await Promise.race([navigator.mediaDevices.getUserMedia({}),
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Promise.resolve()]);
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} catch (error) {
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assert_throws_js(TypeError, () => { throw error });
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assert_false('constraintName' in error,
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"constraintName attribute not set as expected");
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return;
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}
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assert_unreached("should have returned an already-rejected promise.");
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}, "Tests that getUserMedia is rejected with a TypeError when used with an empty options parameter");
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</script>
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</body>
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</html>
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