116 lines
3.5 KiB
JavaScript
116 lines
3.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* jshint esversion: 6, -W097 */
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/* globals SimpleTest, SpecialPowers, info, is, ok */
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"use strict";
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function startTest(test) {
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info(test.desc);
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({ 'set': test.prefs }, () => {
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manager.runTests(test.tests, test.runTest);
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});
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}
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/**
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* @param {string} url video src.
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* @returns {HTMLMediaElement} The created video element.
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*/
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function appendVideoToDoc(url, token, width, height) {
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// Default size of (160, 120) is used by other media tests.
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if (width === undefined) { width = 160; }
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if (height === undefined) { height = 3*width/4; }
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let v = document.createElement('video');
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v.token = token;
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document.body.appendChild(v);
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v.width = width;
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v.height = height;
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v.src = url;
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return v;
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}
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/**
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* @param {HTMLMediaElement} video Video element under test.
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* @returns {Promise} Promise that is resolved when video 'playing' event fires and rejected on error.
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*/
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function waitUntilPlaying(video) {
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var p = once(video, 'playing', () => { ok(true, video.token + " played."); });
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Log(video.token, "Start playing");
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video.play();
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return p;
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}
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/**
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* @param {HTMLMediaElement} video Video element under test.
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* @returns {Promise} Promise which is resolved when video 'ended' event fires.
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*/
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function waitUntilEnded(video) {
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Log(video.token, "Waiting for ended");
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if (video.ended) {
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ok(true, video.token + " already ended");
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return Promise.resolve();
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}
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return once(video, 'ended', () => { ok(true, video.token + " ended"); });
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}
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/**
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* @param {HTMLMediaElement} video Video element under test.
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* @returns {Promise} Promise that is resolved when video decode suspends.
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*/
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function testVideoSuspendsWhenHidden(video) {
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let p = once(video, 'mozentervideosuspend').then(() => {
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ok(true, video.token + " suspends");
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});
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Log(video.token, "Set hidden");
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video.setVisible(false);
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return p;
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}
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/**
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* @param {HTMLMediaElement} video Video element under test.
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* @returns {Promise} Promise that is resolved when video decode resumes.
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*/
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function testVideoResumesWhenShown(video) {
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var p = once(video, 'mozexitvideosuspend').then(() => {
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ok(true, video.token + " resumes");
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});
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Log(video.token, "Set visible");
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video.setVisible(true);
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return p;
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}
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/**
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* @param {HTMLVideoElement} video Video element under test.
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* @returns {Promise} Promise that is resolved if video ends and rejects if video suspends.
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*/
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function checkVideoDoesntSuspend(video) {
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let p = Promise.race([
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waitUntilEnded(video).then(() => { ok(true, video.token + ' ended before decode was suspended')}),
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once(video, 'mozentervideosuspend', () => { Promise.reject(new Error(video.token + ' suspended')) })
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]);
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Log(video.token, "Set hidden.");
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video.setVisible(false);
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return p;
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}
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/**
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* @param {HTMLMediaElement} video Video element under test.
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* @param {number} time video current time to wait til.
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* @returns {Promise} Promise that is resolved once currentTime passes time.
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*/
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function waitTil(video, time) {
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Log(video.token, "Waiting for time to reach " + time + "s");
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return new Promise(resolve => {
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video.addEventListener('timeupdate', function timeUpdateEvent() {
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if (video.currentTime > time) {
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video.removeEventListener(name, timeUpdateEvent);
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resolve();
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}
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});
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});
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}
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