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<!doctype html>
<html>
<head>
<title>enumerateDevices: test that enumerateDevices is present</title>
<link rel="author" title="Dr Alex Gouaillard" href="mailto:agouaillard@gmail.com"/>
<link rel="help" href="https://w3c.github.io/mediacapture-main/#enumerating-devices">
<meta name='assert' content='Check that the enumerateDevices() method is present.'/>
</head>
<body>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks for the presence of the
<code>navigator.mediaDevices.enumerateDevices()</code> method.</p>
<div id='log'></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
"use strict";
//NOTE ALEX: for completion, a test for ondevicechange event is missing.
test(function () {
assert_true(undefined !== navigator.mediaDevices.enumerateDevices, "navigator.mediaDevices.enumerateDevices exists");
var p = navigator.mediaDevices.enumerateDevices()
p.then(function(list){
for(let mediainfo of list){
// TODO check the type of mediainfo
assert_true(undefined !== mediainfo.deviceId, "mediaInfo's deviceId should exist.");
assert_true(undefined !== mediainfo.kind, "mediaInfo's kind should exist.");
assert_true(undefined !== mediainfo.label, "mediaInfo's label should exist.");
assert_true(undefined !== mediainfo.groupId, "mediaInfo's groupId should exist.");
// TODO the values of some of those fields should be empty string by default if no permission has been requested.
if( mediainfo.kind == "audioinput" ||
mediainfo.kind == "videoinput") {
// NOTE ALEX: looks like nobody has implemented that. How can I make it a separate test,
// ... to have better granularity?
// assert_true(undefined !== mediainfo.getCapabilities(), "MediaDeviceInfo.getCapabilities() exists.");
// var cap = mediainfo.getcapabilities();
} else if ( mediainfo.kind !== "audiooutput" ) {
assert_unreached("mediainfo.kind should be one of 'audioinput', 'videoinput', or 'audiooutput'.")
}
}
})
p.catch(function(err){
assert_unreached("A call to enumerateDevices() should never fail.");
});
}, "mediaDevices.enumerateDevices() is present and working on navigator");
</script>
</body>
</html>
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