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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/base/test/test_timer_flood.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/base/test/test_timer_flood.html')
| -rw-r--r-- | dom/base/test/test_timer_flood.html | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/dom/base/test/test_timer_flood.html b/dom/base/test/test_timer_flood.html new file mode 100644 index 000000000..b74b04cf2 --- /dev/null +++ b/dom/base/test/test_timer_flood.html @@ -0,0 +1,116 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="UTF-8"> + <title>Test Behavior During Timer Flood</title> + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<p id="display"></p> +<div id="content" style="display: none"> +</div> +<pre id="test"> +<script type="application/javascript"> +SimpleTest.waitForExplicitFinish(); + +function onLoad() { + return new Promise(resolve => { + addEventListener('load', resolve, { once: true }); + }); +} + +// Create a frame that executes a timer flood. The frame signals +// that is ready once the flood has had a chance to warm up. +function withFloodFrame() { + return new Promise(resolve => { + let frame = document.createElement('iframe'); + addEventListener('message', function onMsg(evt) { + if (evt.data === 'STARTED') { + removeEventListener('message', onMsg); + resolve(frame); + } + }); + frame.src = 'file_timer_flood.html'; + document.body.appendChild(frame); + }); +} + +// Test that we can load documents during a timer flood. +function testFrameLoad() { + return new Promise(resolve => { + let frame = document.createElement('iframe'); + frame.addEventListener('load', _ => { + frame.remove(); + resolve(); + }, { once: true }); + document.body.appendChild(frame); + }); +} + +// Test that we can perform network requests while a timer flood +// is occuring. +function testFetch(url) { + return fetch(url).then(response => { + return response.text(); + }); +} + +// Test that we can run animations for 5 seconds while a timer +// flood is occuring. +function testRequestAnimationFrame() { + return new Promise(resolve => { + let remainingFrames = 5 * 60; + function nextFrame() { + remainingFrames -= 1; + if (remainingFrames > 0) { + requestAnimationFrame(nextFrame); + } else { + resolve(); + } + }; + requestAnimationFrame(nextFrame); + }); +} + +let floodFrame; + +onLoad().then(_ => { + // Start a timer flood in a frame. + return withFloodFrame(); +}).then(frame => { + floodFrame = frame; + + // Next we are going to start a bunch of asynchronous work that we + // expect to complete in spite of the timer flood. The type of work + // is a bit arbitrary, but is chosen to reflect the kinds of things + // we would like the browser to be able to do even when pages are + // abusing timers. Feel free to add more types of work here, but + // think carefully before removing anything. + let tests = []; + + // Verify we can perform a variety of work while the timer flood + // is running. + for (let i = 0; i < 20; ++i) { + tests.push(testFrameLoad()); + tests.push(testFetch('file_timer_flood.html')); + } + // Verify that animations still work while the timer flood is running. + // Note that we do one long run of animations instead of parallel runs + // like the other activities because of the way requestAnimationFrame() + // is scheduled. Parallel animations would not result in any additional + // runnables be placed on the event queue. + tests.push(testRequestAnimationFrame()); + + // Wait for all tests to finish. If we do not handle the timer flood + // well then this will likely time out. + return Promise.all(tests); +}).then(_ => { + ok(true, 'completed tests without timing out'); + floodFrame.remove(); + SimpleTest.finish(); +}); +</script> +</pre> +</body> +</html> |