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80 lines
4.2 KiB
HTML
80 lines
4.2 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>enumerateDevices: test that enumerateDevices is present</title>
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<link rel="author" title="Dr Alex Gouaillard" href="mailto:agouaillard@gmail.com"/>
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<link rel="help" href="https://w3c.github.io/mediacapture-main/#enumerating-devices">
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<meta name='assert' content='Check that the enumerateDevices() method is present.'/>
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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 for the presence of the
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<code>navigator.mediaDevices.enumerateDevices()</code> method.</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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"use strict";
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//NOTE ALEX: for completion, a test for ondevicechange event is missing.
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promise_test(function() {
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assert_true(undefined !== navigator.mediaDevices.enumerateDevices, "navigator.mediaDevices.enumerateDevices exists");
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return navigator.mediaDevices.enumerateDevices().then(function(list) {
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for (let mediainfo of list) {
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assert_true(undefined !== mediainfo.deviceId, "mediaInfo's deviceId should exist.");
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assert_true(undefined !== mediainfo.kind, "mediaInfo's kind should exist.");
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assert_true(undefined !== mediainfo.label, "mediaInfo's label should exist.");
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assert_true(undefined !== mediainfo.groupId, "mediaInfo's groupId should exist.");
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// TODO the values of some of those fields should be empty string by default if no permission has been requested.
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if ( mediainfo.kind == "audioinput" || mediainfo.kind == "videoinput") {
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assert_true(mediainfo instanceof InputDeviceInfo);
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var capabilities = mediainfo.getCapabilities();
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assert_equals(typeof capabilities, "object", "capabilities must be an object.");
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assert_equals(typeof capabilities.deviceId, "string", "deviceId must be a string.");
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assert_equals(typeof capabilities.groupId, "string", "groupId must be a string.");
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if (mediainfo.kind == "audioinput") {
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assert_equals(typeof capabilities.echoCancellation, "object", "echoCancellation must be an object.");
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assert_equals(typeof capabilities.autoGainControl, "object", "autoGainControl must be an object.");
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assert_equals(typeof capabilities.noiseSuppression, "object", "noiseSuppression must be an object.");
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}
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if (mediainfo.kind == "videoinput") {
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assert_equals(typeof capabilities.facingMode, "object", "facingMode must be an object.");
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verifyVideoRangeProperties(capabilities);
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}
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} else if ( mediainfo.kind == "audiooutput" ) {
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assert_true(mediainfo instanceof MediaDeviceInfo);
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} else {
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assert_unreached("mediainfo.kind should be one of 'audioinput', 'videoinput', or 'audiooutput'.")
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}
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}
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});
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}, "mediaDevices.enumerateDevices() is present and working on navigator");
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function verifyVideoRangeProperties(capabilities) {
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if (capabilities.hasOwnProperty('width')) {
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assert_equals(Object.keys(capabilities.width).length, 2);
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assert_true(capabilities.width.hasOwnProperty('min'));
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assert_true(capabilities.width.hasOwnProperty('max'));
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assert_less_than_equal(capabilities.width.min, capabilities.width.max);
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}
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if (capabilities.hasOwnProperty('height')) {
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assert_equals(Object.keys(capabilities.height).length, 2);
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assert_true(capabilities.height.hasOwnProperty('min'));
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assert_true(capabilities.height.hasOwnProperty('max'));
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assert_less_than_equal(capabilities.height.min, capabilities.height.max);
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}
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if (capabilities.hasOwnProperty('aspectRatio')) {
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assert_equals(Object.keys(capabilities.aspectRatio).length, 2);
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assert_true(capabilities.aspectRatio.hasOwnProperty('min'));
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assert_true(capabilities.aspectRatio.hasOwnProperty('max'));
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assert_less_than_equal(capabilities.aspectRatio.min, capabilities.aspectRatio.max);
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}
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if (capabilities.hasOwnProperty('frameRate')) {
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assert_equals(Object.keys(capabilities.frameRate).length, 2);
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assert_true(capabilities.frameRate.hasOwnProperty('min'));
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assert_true(capabilities.frameRate.hasOwnProperty('max'));
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assert_less_than_equal(capabilities.frameRate.min, capabilities.frameRate.max);
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}
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}
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</script>
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</body>
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</html>
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