overconstrained_error.https.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /mediacapture-streams/overconstrained_error.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<html>

<head>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

</head>

<body>

<script>

promise_test(async t => {

  try {

    stream = await navigator.mediaDevices.getUserMedia(

      {video: {width: {exact: 639}, resizeMode: {exact: "none"}}});

    t.add_cleanup(()=>stream.getVideoTracks()[0].stop());

    t.step(() => assert_unreached('applyConstraints should have failed'));

  } catch(e) {

    assert_true(e instanceof DOMException);

    assert_equals(e.name, 'OverconstrainedError');

    assert_equals(e.constraint, 'width');

}, 'Error of OverconstrainedError type inherit from DOMException');

promise_test(async t => {

    assert_true(new OverconstrainedError("constraint") instanceof DOMException);

}, 'OverconstrainedError class inherits from DOMException');

</script>

</body>

</html>