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Unified Diff: third_party/WebKit/LayoutTests/media/media-play-promise.html

Issue 2155053002: Convert media-play-promise.html to testharness.js (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add suggested change Created 4 years, 5 months ago
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Index: third_party/WebKit/LayoutTests/media/media-play-promise.html
diff --git a/third_party/WebKit/LayoutTests/media/media-play-promise.html b/third_party/WebKit/LayoutTests/media/media-play-promise.html
index 992b0b0654d02553de8649af8a9331bdb229922a..317a4c027fd2630db8696fc2c48fd434c680722f 100644
--- a/third_party/WebKit/LayoutTests/media/media-play-promise.html
+++ b/third_party/WebKit/LayoutTests/media/media-play-promise.html
@@ -1,441 +1,281 @@
-<html>
-<head>
-<script src=media-file.js></script>
-<!-- TODO(mlamouri): use testharness.js, see https://crbug.com/588956 -->
-<script src=video-test.js></script>
-
+<!DOCTYPE html>
+<title>Test the play() behaviour with regards to the returned promise for media elements.</title>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<script src="media-file.js"></script>
<script>
- // This is testing the behavior of play() with regards to the returned
- // promise. This test file is creating a small framework in order to be able
- // to test different cases easily and independently of each other.
- //
- // All tests have to be part of the TESTS array. When the page is loaded,
- // first function in the array is run. A test is considered done when the
- // promise returned by mediaElement.play() is resolved or rejected. Each
- // test then needs to call play() once which wraps this logic. When a test
- // is finished, the next test in the array is run until the entire array
- // was processed.
- //
- // Each test should start by printing its name in order to facilitate reading
- // the output.
-
- function runNextTestOrFinish()
- {
- currentTest++;
- if (currentTest >= TESTS.length) {
- endTest();
- return;
- }
-
- consoleWrite("");
- TESTS[currentTest]();
- }
-
- function play()
- {
- consoleWrite("play()");
- mediaElement.play().then(function() {
- consoleWrite("arguments.length: " + arguments.length);
- consoleWrite("Promise resolved with " + arguments[0]);
- }, function(e) {
- consoleWrite("arguments.length: " + arguments.length);
- consoleWrite("Promise failed with " + e.name + ": " + e.message);
- }).then(runNextTestOrFinish);
- }
-
- function playWithUserGesture()
- {
- var target = document.querySelector("p");
- target.onclick = function() {
- play();
- target.onclick = null;
- };
-
- var boundingRect = target.getBoundingClientRect();
- var x = boundingRect.left + (boundingRect.width / 2);
- var y = boundingRect.top + (boundingRect.height / 2);
-
- // Assuming running in Blink LayoutTests.
- eventSender.mouseMoveTo(x, y);
- eventSender.mouseDown();
- eventSender.mouseUp();
- }
-
- var currentTest = -1;
-
- var TESTS = [
- // Test that play() on an element that doesn't have enough data will
- // return a promise that resolves successfully.
- function playBeforeCanPlay()
- {
- consoleWrite("playBeforeCanPlay()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('loadedmetadata');
- waitForEvent('loadeddata');
- waitForEvent('canplay');
- waitForEvent('playing');
-
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_NOTHING);
- play();
- },
-
- // Test that play() on an element that has enough data will return a
- // promise that resolves successfully.
- function playWhenCanPlay()
- {
- consoleWrite("playWhenCanPlay()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
-
- waitForEvent('canplay', function() {
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_FUTURE_DATA, ">=");
- testExpected("mediaElement.paused", true);
-
- play();
- });
- },
-
- // Test that play() on an element that is already playing returns a
- // promise that resolves successfully.
- function playAfterPlaybackStarted()
- {
- consoleWrite("playAfterPlaybackStarted()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- mediaElement.preload = "auto";
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing', function() {
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_ENOUGH_DATA);
- testExpected("mediaElement.paused", false);
-
- play();
- });
-
- waitForEvent('canplaythrough', function() {
- run("mediaElement.play()");
- });
- },
-
- // Test that play() on an element when media playback requires a gesture
- // returns a resolved promise if there is a user gesture.
- function playRequiresUserGestureAndHasIt()
- {
- consoleWrite("playRequiresUserGestureAndHasIt()");
- internals.settings.setMediaPlaybackRequiresUserGesture(true);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- playWithUserGesture();
- },
-
- // Test that play() on an element when media playback requires a gesture
- // returns a rejected promise if there is no user gesture.
- function playRequiresUserGestureAndDoesNotHaveIt()
- {
- consoleWrite("playRequiresUserGestureAndDoesNotHaveIt()");
- internals.settings.setMediaPlaybackRequiresUserGesture(true);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- play();
- },
-
- // Test that play() on an element with an unsupported content will
- // return a rejected promise.
- function playNotSupportedContent()
- {
- consoleWrite("playNotSupportedContent()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "data:,");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- waitForEvent('error', function() {
- testExpected("mediaElement.error", "[object MediaError]");
- testExpected("mediaElement.error.code", MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
- });
- play();
- },
-
- // Test that play() returns a resolved promise if called after the
- // element suffered from a decode error.
- // This test doesn't test a spec behaviour but tests that the Blink
- // implementation properly changed after the spec changed.
- function playDecodeError()
- {
- consoleWrite("playDecodeError()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- waitForEvent('error', function() {
- testExpected("mediaElement.error", "[object MediaError]");
- testExpected("mediaElement.error.code", MediaError.MEDIA_ERR_DECODE);
- });
-
- // The setMediaElementNetworkState() method requires metadata to be
- // available.
- waitForEvent('loadedmetadata', function() {
- internals.setMediaElementNetworkState(mediaElement, 6 /* NetworkStateDecodeError */);
- play();
+// This is testing the behavior of play() with regards to the returned
+// promise. This test file is creating a small framework in order to be able
+// to test different cases easily and independently of each other.
+// All tests have to be part of the tests and testsWithUserGesture arrays.
+// Each test returns a promise for audio.play() which is either resolved or rejected.
+
+var tests = [
+ // Test that play() on an element that doesn't have enough data will
+ // return a promise that resolves successfully.
+ function playBeforeCanPlay(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+ assert_equals(audio.readyState, HTMLMediaElement.HAVE_NOTHING);
+ playExpectingResolvedPromise(t, audio);
+ },
+
+ // Test that play() on an element that has enough data will return a
+ // promise that resolves successfully.
+ function playWhenCanPlay(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.oncanplay = t.step_func(function() {
+ assert_greater_than_equal(audio.readyState, HTMLMediaElement.HAVE_FUTURE_DATA);
+ assert_true(audio.paused);
+ playExpectingResolvedPromise(t, audio);
+ });
+ },
+
+ // Test that play() on an element that is already playing returns a
+ // promise that resolves successfully.
+ function playAfterPlaybackStarted(t, audio) {
+ audio.preload = "auto";
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.onplaying = t.step_func(function() {
+ assert_equals(audio.readyState, HTMLMediaElement.HAVE_ENOUGH_DATA);
+ assert_false(audio.paused);
+ playExpectingResolvedPromise(t, audio);
+ });
+
+ audio.oncanplaythrough = t.step_func(function() {
+ audio.play();
+ });
+ },
+
+ // Test that play() on an element with an unsupported content will
+ // return a rejected promise.
+ function playNotSupportedContent(t, audio) {
+ audio.src = findMediaFile("audio", "data:,");
+
+ audio.onerror = t.step_func(function() {
+ assert_true(audio.error instanceof MediaError);
+ assert_equals(audio.error.code, MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
+ });
+ playExpectingRejectedPromise(t, audio, "NotSupportedError");
+ },
+
+ // Test that play() returns a resolved promise if called after the
+ // element suffered from a decode error.
+ // This test doesn't test a spec behaviour but tests that the Blink
+ // implementation properly changed after the spec changed.
+ function playDecodeError(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.onerror = t.step_func(function() {
+ assert_true(audio.error instanceof MediaError);
+ assert_equals(audio.error.code, MediaError.MEDIA_ERR_DECODE);
+ });
+
+ // The setMediaElementNetworkState() method requires metadata to be available.
+ audio.onloadedmetadata = t.step_func(function() {
+ internals.setMediaElementNetworkState(audio, 6); // NetworkStateDecodeError.
+ playExpectingResolvedPromise(t, audio);
+ });
+ },
+
+ // Test that play() returns a resolved promise if called after the
+ // element suffered from a network error.
+ // This test doesn't test a spec behaviour but tests that the Blink
+ // implementation properly changed after the spec changed
+ function playNetworkError(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.onerror = t.step_func(function() {
+ assert_true(audio.error instanceof MediaError);
+ assert_equals(audio.error.code, MediaError.MEDIA_ERR_NETWORK);
+ });
+
+ // The setMediaElementNetworkState() method requires metadata to be available.
+ audio.onloadedmetadata = t.step_func(function() {
+ internals.setMediaElementNetworkState(audio, 5); // NetworkStateNetworkError.
+ playExpectingResolvedPromise(t, audio);
+ });
+ },
+
+ // Test that play() returns a rejected promise if the element is
+ // sufferring from a not supported error.
+ function playWithErrorAlreadySet(t, audio) {
+ audio.src = findMediaFile("audio", "data:,");
+
+ audio.onerror = t.step_func(function() {
+ assert_true(audio.error instanceof MediaError);
+ assert_equals(audio.error.code, MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
+ playExpectingRejectedPromise(t, audio, "NotSupportedError");
+ });
+ },
+
+ // Test that play() returns a resolved promise if the element had its
+ // source changed after suffering from an error.
+ function playSrcChangedAfterError(t, audio) {
+ audio.src = findMediaFile("audio", "data:,");
+
+ audio.onerror = t.step_func(function() {
+ assert_true(audio.error instanceof MediaError);
+ assert_equals(audio.error.code, MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.onloadedmetadata = t.step_func(function() {
+ playExpectingResolvedPromise(t, audio);
});
- },
-
- // Test that play() returns a resolved promise if called after the
- // element suffered from a network error.
- // This test doesn't test a spec behaviour but tests that the Blink
- // implementation properly changed after the spec changed
- function playNetworkError()
- {
- consoleWrite("playNetworkError()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- waitForEvent('error', function() {
- testExpected("mediaElement.error", "[object MediaError]");
- testExpected("mediaElement.error.code", MediaError.MEDIA_ERR_NETWORK);
- });
-
- // The setMediaElementNetworkState() method requires metadata to be
- // available.
- waitForEvent('loadedmetadata', function() {
- internals.setMediaElementNetworkState(mediaElement, 5 /* NetworkStateNetworkError */);
- play();
- });
- },
-
- // Test that play() returns a rejected promise if the element is
- // suferring from a not supported error.
- function playWithErrorAlreadySet()
- {
- consoleWrite("playWithErrorAlreadySet()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "data:,");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- waitForEvent('error', function() {
- testExpected("mediaElement.error", "[object MediaError]");
- testExpected("mediaElement.error.code", MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
- play();
- });
- },
-
- // Test that play() returns a resolved promise if the element had its
- // source changed after suffering from an error.
- function playSrcChangedAfterError()
- {
- consoleWrite("playSrcChangedAfterError()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "data:,");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('error', function() {
- testExpected("mediaElement.error", "[object MediaError]");
- testExpected("mediaElement.error.code", MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
-
- mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing');
- waitForEvent('loadedmetadata', function() {
- play();
- });
- });
- },
-
- // Test that play() returns a rejected promise if the element had an
- // error and just changed its source.
- function playRaceWithSrcChangeError()
- {
- consoleWrite("playRaceWithSrcChangeError()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "data:,");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('error', function() {
- testExpected("mediaElement.error", "[object MediaError]");
- testExpected("mediaElement.error.code", MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
-
- mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- testExpected("mediaElement.error", null);
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_NOTHING);
-
- waitForEvent('playing');
- play();
- });
- },
-
- // Test that play() returns a resolved promise when calling play() then
- // pause() on an element that already has enough data to play. In other
- // words, pause() doesn't cancel play() because it was resolved
- // immediately.
- function playAndPauseWhenCanPlay()
- {
- consoleWrite("playAndPauseWhenCanPlay()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('canplaythrough', function() {
- waitForEvent('playing');
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_ENOUGH_DATA);
- play();
- testExpected("mediaElement.paused", false);
- mediaElement.pause();
- testExpected("mediaElement.paused", true);
- });
- },
-
- // Test that play() returns a rejected promise when calling play() then
- // pause() on an element that doesn't have enough data to play. In other
- // words, pause() cancels play() before it can be resolved.
- function playAndPauseBeforeCanPlay()
- {
- consoleWrite("playAndPauseBeforeCanPlay()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
-
- waitForEvent('playing');
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_NOTHING);
- play();
- testExpected("mediaElement.paused", false);
- mediaElement.pause();
- testExpected("mediaElement.paused", true);
- },
-
- // Test that load() rejects all the pending play() promises.
- // This might be tested by other tests in this file but it is present in
- // order to be explicit.
- function loadRejectsPendingPromises()
- {
- consoleWrite("loadRejectsPendingPromises()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
-
- play(); // the promise will be left pending.
-
- waitForEvent('playing');
- run("mediaElement.load()");
- },
-
- // Test that changing the src rejects the pending play() promises.
- function newSrcRejectPendingPromises()
- {
- consoleWrite("newSrcRejectPendingPromises()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
-
- play(); // the promise will be left pending.
-
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
- },
-
- // Test ordering of events and promises.
- // This is testing a bug in Blink, see https://crbug.com/587871
- function testEventAndPromiseOrdering()
- {
- consoleWrite("testEventAndPromiseOrdering");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- run("mediaElement.src = 'data:,'");
-
- waitForEvent('error', function() {
- // Until https://crbug.com/587871 is fixed, the events will be
- // [ volumechange, volumechange, promise ], it should be
- // [ volumechange, promise, volumechange ].
- waitForEvent('volumechange');
- run("mediaElement.volume = 0.1");
- play();
- run("mediaElement.volume = 0.2");
- });
-
- },
-
- // Test that calling pause() then play() on an element that is already
- // playing returns a promise that resolves successfully.
- function pausePlayAfterPlaybackStarted()
- {
- consoleWrite("pausePlayAfterPlaybackStarted()");
- internals.settings.setMediaPlaybackRequiresUserGesture(false);
-
- run("mediaElement = document.createElement('audio')");
- mediaElement.preload = "auto";
- var mediaFile = findMediaFile("audio", "content/test");
- run("mediaElement.src = '" + mediaFile + "'");
-
- waitForEvent('playing', function() {
- testExpected("mediaElement.readyState", HTMLMediaElement.HAVE_ENOUGH_DATA);
- testExpected("mediaElement.paused", false);
-
- run("mediaElement.pause()");
- play();
- });
-
- waitForEvent('canplaythrough', function() {
- run("mediaElement.play()");
- });
- },
- ];
-
- function start()
- {
- if (!('eventSender' in window) || !('internals' in window)) {
- failTest("Not running in LayoutTests.");
- return;
- }
- runNextTestOrFinish();
+ });
+ },
+
+ // Test that play() returns a rejected promise if the element had an
+ // error and just changed its source.
+ function playRaceWithSrcChangeError(t, audio) {
+ audio.src = findMediaFile("audio", "data:,");
+
+ audio.onerror = t.step_func(function() {
+ assert_true(audio.error instanceof MediaError);
+ assert_equals(audio.error.code, MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
+ audio.src = findMediaFile("audio", "content/test");
+ assert_equals(audio.error, null);
+ assert_equals(audio.readyState, HTMLMediaElement.HAVE_NOTHING);
+ playExpectingResolvedPromise(t, audio);
+ });
+ },
+
+ // Test that play() returns a resolved promise when calling play() then
+ // pause() on an element that already has enough data to play. In other
+ // words, pause() doesn't cancel play() because it was resolved
+ // immediately.
+ function playAndPauseWhenCanplay(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.oncanplaythrough = t.step_func(function() {
+ assert_equals(audio.readyState, HTMLMediaElement.HAVE_ENOUGH_DATA);
+ playExpectingResolvedPromise(t, audio);
+ assert_false(audio.paused);
+ audio.pause();
+ assert_true(audio.paused);
+ });
+ },
+
+ // Test that play() returns a rejected promise when calling play() then
+ // pause() on an element that doesn't have enough data to play. In other
+ // words, pause() cancels play() before it can be resolved.
+ function playAndPauseBeforeCanPlay(t, audio) {
+ assert_equals(audio.readyState, HTMLMediaElement.HAVE_NOTHING);
+ playExpectingRejectedPromise(t, audio, "AbortError");
+ assert_false(audio.paused);
+ audio.pause();
+ assert_true(audio.paused);
+ },
+
+ // Test that load() rejects all the pending play() promises.
+ // This might be tested by other tests in this file but it is present in
+ // order to be explicit.
+ function loadRejectsPendingPromises(t, audio) {
+ playExpectingRejectedPromise(t, audio, "AbortError"); // the promise will be left pending.
+ audio.load();
+ },
+
+ // Test that changing the src rejects the pending play() promises.
+ function newSrcRejectPendingPromises(t, audio) {
+ playExpectingRejectedPromise(t, audio, "AbortError"); // the promise will be left pending.
+ audio.src = findMediaFile("audio", "content/test");
+ },
+
+ // Test ordering of events and promises.
+ // This is testing a bug in Blink, see https://crbug.com/587871
+ function testEventAndPromiseOrdering(t, audio) {
+ audio.src = findMediaFile("audio", "data:,");
+
+ audio.onerror = t.step_func(function() {
+ // Until https://crbug.com/587871 is fixed, the events will be
+ // [ promise, volumechange, volumechange ], it should be
+ // [ volumechange, promise, volumechange ]. Right now test finishes
+ // as soon as promise is rejected, before "volumechange" is fired.
+ var numVolumeChangeEvents = 0;
+ audio.onvolumechange = t.step_func(function() { ++numVolumeChangeEvents; });
+ audio.volume = 0.1;
+ audio.play().then(t.unreached_func(), t.step_func_done(function() {
+ assert_equals(arguments.length, 1);
+ assert_equals(arguments[0].name, "NotSupportedError");
+ assert_equals(numVolumeChangeEvents, 0);
+ }));
+ audio.volume = 0.2;
+ });
+ },
+
+ // Test that calling pause() then play() on an element that is already
+ // playing returns a promise that resolves successfully.
+ function pausePlayAfterPlaybackStarted(t, audio) {
+ audio.preload = "auto";
+ audio.src = findMediaFile("audio", "content/test");
+
+ audio.onplaying = t.step_func(function() {
+ assert_equals(audio.readyState, HTMLMediaElement.HAVE_ENOUGH_DATA);
+ assert_false(audio.paused);
+ audio.pause();
+ playExpectingResolvedPromise(t, audio);
+ });
+
+ audio.oncanplaythrough = t.step_func(function() {
+ audio.play();
+ });
}
-
-</script>
-</head>
-
-<body onload="start()">
-
-<p>Test the play() behaviour with regards to the returned promise for media elements.</p>
-
-</body>
-</html>
+];
+
+tests.forEach(function(test) {
+ internals.settings.setMediaPlaybackRequiresUserGesture(false);
+ async_test(function(t) {
+ var audio = document.createElement("audio");
+ test(t, audio);
+ }, test.name);
+});
+
+var testsWithUserGesture = [
+ // Test that play() on an element when media playback requires a gesture
+ // returns a resolved promise if there is a user gesture.
+ function playRequiresUserGestureAndHasIt(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+ playWithUserGesture(t, audio);
+ },
+
+ // Test that play() on an element when media playback requires a gesture
+ // returns a rejected promise if there is no user gesture.
+ function playRequiresUserGestureAndDoesNotHaveIt(t, audio) {
+ audio.src = findMediaFile("audio", "content/test");
+ playExpectingRejectedPromise(t, audio, "NotAllowedError");
+ }
+];
+
+testsWithUserGesture.forEach(function(test) {
+ internals.settings.setMediaPlaybackRequiresUserGesture(true);
+ async_test(function(t) {
+ var audio = document.createElement("audio");
+ test(t, audio);
+ }, test.name);
+});
+
+function playExpectingResolvedPromise(t, audio) {
+ audio.play().then(t.step_func_done(function() {
+ assert_equals(arguments.length, 1);
+ assert_equals(arguments[0], undefined);
+ }), t.unreached_func());
+}
+
+function playExpectingRejectedPromise(t, audio, error) {
+ audio.play().then(t.unreached_func(), t.step_func_done(function() {
+ assert_equals(arguments.length, 1);
+ assert_equals(arguments[0].name, error);
+ }));
+}
+
+function playWithUserGesture(t, audio) {
+ document.onclick = function() {
+ playExpectingResolvedPromise(t, audio);
+ document.onclick = null;
+ };
+
+ eventSender.mouseDown();
+ eventSender.mouseUp();
+}
+</script>
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