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Diffstat (limited to 'dom/media/test/test_play_promise_14.html')
| -rw-r--r-- | dom/media/test/test_play_promise_14.html | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/dom/media/test/test_play_promise_14.html b/dom/media/test/test_play_promise_14.html new file mode 100644 index 0000000000..066138ecad --- /dev/null +++ b/dom/media/test/test_play_promise_14.html @@ -0,0 +1,56 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Media test: promise-based play() method</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> + <script type="text/javascript" src="manifest.js"></script> +</head> +<body> +<pre id="test"> + +<script> +// Name: loadAlgorithmKeepPromisesPendingWhenNotPausing +// Case: step1: create an element with its paused member to be fause and networkState to be NETWORK_EMPTY. +// stpe2: invoke load() on the element and the load() leaves the promise pending. +// Expected result: the pending promise should finally be resolved. + +let manager = new MediaTestManager; + +function initTest(test, token) { + manager.started(token); + + let element = document.createElement(getMajorMimeType(test.type)); + // Invoke play() -> (1) the promise will be left pending. + // (2) invoke load() -> (1) set the networkState to be NETWORK_NO_SOURCE. + // (2) queue a task to run resouce selection algorithm. + element.play().then( + (result) => { + if (result == undefined) { + ok(true, `${token} is resolved with ${result}.`); + } else { + ok(false, `${token} is resolved with ${result}.`); + } + }, + (error) => { + ok(false, `${token} is rejected with ${error.name}.`); + } + ).then( () => { manager.finished(token); } ); + + once(element, "play").then(() => { + // The resouce selection algorithm has been done. + // -> set the networkState to be NETWORK_EMPTY because there is no valid resource to load. + ok(element.networkState == HTMLMediaElement.NETWORK_EMPTY); + + // Invoke load() again and since the networkState is NETWORK_EMPTY, the load() does not reject the pending promise. + // The load() will queue a task to run resouce selection algorithm which will change the readyState and finally resolve the pending promise. + element.src = test.name; + + // Since the networkState is NETWORK_EMPTY, the load() does not set paused to be true. + ok(!element.paused, `loadAlgorithmKeepPromisesPendingWhenNotPausing(${token}).paused should be false.`); + }); +} + +manager.runTests(gSmallTests, initTest); + +</script>
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