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<!doctype html>
<html>
<head>
<title>Ideal value in required constraint in getUserMedia</title>
<link rel="author" title="Intel" href="http://www.intel.com"/>
<link rel="help" href="https://w3c.github.io/mediacapture-main/#dfn-fitness-distance">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=permission-helper.js></script>
</head>
<body>
<p class="instructions">When prompted, accept to share your video stream.</p>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks that setting a required constraint
with an ideal value in getUserMedia works</p>
<div id='log'></div>
<script>
promise_test(async t => {
await setMediaPermission("granted", ["camera"]);
const stream = await navigator.mediaDevices.getUserMedia({video: {width: {ideal: 320, min: 160}}});
assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track");
assert_equals(stream.getVideoTracks()[0].getSettings().width, 320, 'ideal width is selected for getUserMedia() video tracks');
const video = document.createElement('video');
video.srcObject = stream;
await video.play();
assert_equals(video.videoWidth, 320, 'video width equals to track width');
stream.getVideoTracks()[0].stop();
}, "Tests that setting a required constraint with an ideal value in getUserMedia works");
</script>
</body>
</html>
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