diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /devtools/server/tests/chrome/test_framerate_06.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/server/tests/chrome/test_framerate_06.html')
| -rw-r--r-- | devtools/server/tests/chrome/test_framerate_06.html | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/test_framerate_06.html b/devtools/server/tests/chrome/test_framerate_06.html new file mode 100644 index 0000000000..6c8040c381 --- /dev/null +++ b/devtools/server/tests/chrome/test_framerate_06.html @@ -0,0 +1,87 @@ +<!DOCTYPE HTML> +<html> +<!-- +Bug 1171489 - Tests if the framerate actor does not record timestamps from multiple frames. +--> +<head> + <meta charset="utf-8"> + <title>Framerate actor test</title> + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + <script type="application/javascript" src="inspector-helpers.js"></script> + <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> +</head> +<body> +<pre id="test"> +<script> +"use strict"; + +window.onload = async function() { + // inspector-helpers doesnt wait for explicit finish + SimpleTest.waitForExplicitFinish(); + + const TICK = 1000; + const url = document.getElementById("testContent").href; + const { target, doc } = await attachURL(url); + const contentWin = doc.defaultView; + + const front = await target.getFront("framerate"); + + await front.startRecording(); + await waitFor(TICK); + const onWindowReady = waitForWindowReady(); + contentWin.location.reload(); + + // Wait for the iframe to be loaded again + await onWindowReady; + await waitFor(TICK); + const ticks = await front.stopRecording(); + await onRecordingStopped(ticks); + + await target.destroy(); + SimpleTest.finish(); +}; + +// Local Helpers +function waitFor(time) { + return new Promise(resolve => setTimeout(resolve, time)); +} + +function waitForWindowReady() { + return new Promise(resolve => { + window.addEventListener("message", function loaded(event) { + if (event.data === "ready") { + window.removeEventListener("message", loaded); + resolve(); + } + }); + }); +} + +function onRecordingStopped(ticks) { + const diffs = []; + + info(`Got ${ticks.length} ticks.`); + + for (let i = 1; i < ticks.length; i++) { + const prev = ticks[i - 1]; + const curr = ticks[i]; + diffs.push(curr - prev); + info(curr + " - " + (curr - prev)); + } + + // 1000 / 60 => 16.666... so we shouldn't get more than diffs of 16.66.. but + // when we get ticks from other frames they're usually at diffs of < 1. Sometimes + // ticks can still be less than 16ms even on one frame (usually following a very slow + // frame), so use a low number (2) to be our threshold + const THRESHOLD = 2; + ok(ticks.length >= 20, + "we should have atleast 20 ticks over the course of two seconds."); + const belowThreshold = diffs.filter(v => v <= THRESHOLD); + ok(belowThreshold.length <= 10, + "we should have very few frames less than the threshold"); +} +</script> +</pre> +<a id="testContent" target="_blank" href="inspector-traversal-data.html">Test Document</a> +</body> +</html> |