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<!doctype html>
<html>
<head>
<title>Test navigator.mediaDevices.getSupportedConstraints()</title>
<link rel="help" href="https://w3c.github.io/mediacapture-main/#enumerating-devices">
<meta name='assert' content='Test the getSupportedConstraints() method.'/>
</head>
<body>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks for the presence of the
<code>navigator.mediaDevices.getSupportedConstraints()</code> method.</p>
<div id='log'></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
"use strict";
test(() => {
assert_inherits(navigator.mediaDevices, "getSupportedConstraints");
assert_equals(typeof navigator.mediaDevices.getSupportedConstraints, "function");
}, "navigator.mediaDevices.getSupportedConstraints exists");
{
const properties = [
"width",
"height",
"aspectRatio",
"frameRate",
"facingMode",
"resizeMode",
"volume",
"sampleRate",
"sampleSize",
"echoCancellation",
"autoGainControl",
"noiseSuppression",
"latency",
"channelCount",
"deviceId",
"groupId"];
properties.forEach(property => {
test(()=>{
const supportedConstraints = navigator.mediaDevices.getSupportedConstraints();
assert_true(supportedConstraints[property]);
}, property + " is supported");
});
}
</script>
</body>
</html>
|
