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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/server/tests/mochitest/test_framerate_01.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+<!DOCTYPE HTML>
+<html>
+<!--
+Bug 1007200 - Create a framerate actor
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Framerate actor test</title>
+ <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+</head>
+<body>
+<pre id="test">
+<script>
+
+window.onload = function() {
+ var Cu = Components.utils;
+ var Cc = Components.classes;
+ var Ci = Components.interfaces;
+
+ var { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
+ var Services = require("Services");
+ var { DebuggerClient } = require("devtools/shared/client/main");
+ var { DebuggerServer } = require("devtools/server/main");
+
+ // Always log packets when running tests.
+ Services.prefs.setBoolPref("devtools.debugger.log", true);
+ SimpleTest.registerCleanupFunction(function() {
+ Services.prefs.clearUserPref("devtools.debugger.log");
+ });
+
+ SimpleTest.waitForExplicitFinish();
+
+ var {FramerateFront} = require("devtools/shared/fronts/framerate");
+
+ function plotFPS(ticks, interval = 100, clamp = 60) {
+ var timeline = [];
+ var totalTicks = ticks.length;
+
+ // If the refresh driver didn't get a chance to tick before the
+ // recording was stopped, assume framerate was 0.
+ if (totalTicks == 0) {
+ timeline.push({ delta: 0, value: 0 });
+ timeline.push({ delta: interval, value: 0 });
+ return timeline;
+ }
+
+ var frameCount = 0;
+ var prevTime = ticks[0];
+
+ for (var i = 1; i < totalTicks; i++) {
+ var currTime = ticks[i];
+ frameCount++;
+
+ var elapsedTime = currTime - prevTime;
+ if (elapsedTime < interval) {
+ continue;
+ }
+
+ var framerate = Math.min(1000 / (elapsedTime / frameCount), clamp);
+ timeline.push({ delta: prevTime, value: framerate });
+ timeline.push({ delta: currTime, value: framerate });
+
+ frameCount = 0;
+ prevTime = currTime;
+ }
+
+ return timeline;
+ };
+
+ if (!DebuggerServer.initialized) {
+ DebuggerServer.init();
+ DebuggerServer.addBrowserActors();
+ }
+
+ var client = new DebuggerClient(DebuggerServer.connectPipe());
+ client.connect().then(function onConnect() {
+ client.listTabs(function onListTabs(aResponse) {
+ var form = aResponse.tabs[aResponse.selected];
+ var front = FramerateFront(client, form);
+
+ window.setTimeout(() => {
+ front.startRecording().then(() => {
+ window.setTimeout(() => {
+ front.stopRecording().then(rawData => {
+ onRecordingStopped(front, rawData);
+ });
+ }, 1000);
+ });
+ }, 1000);
+ });
+ });
+
+ function onRecordingStopped(front, rawData) {
+ ok(rawData, "There should be a recording available.");
+
+ var timeline = plotFPS(rawData);
+ ok(timeline.length >= 2,
+ "There should be at least one measurement available, with two entries.");
+
+ var prevTimeStart = timeline[0].delta;
+
+ for (var i = 0; i < timeline.length; i += 2) {
+ var currTimeStart = timeline[i].delta;
+ var currTimeEnd = timeline[i + 1].delta;
+ info("Testing delta: " + currTimeStart + " vs. " + currTimeEnd);
+
+ ok(currTimeStart < currTimeEnd,
+ "The start and end time deltas should be consecutive.");
+ is(currTimeStart, prevTimeStart,
+ "There should be two time deltas for each framerate value.");
+
+ prevTimeStart = currTimeEnd;
+ }
+
+ var prevFramerateValue = -1;
+
+ for (var i = 0; i < timeline.length; i += 2) {
+ var currFramerateStart = timeline[i].value;
+ var currFramerateEnd = timeline[i + 1].value;
+ info("Testing framerate: " + currFramerateStart);
+
+ is(currFramerateStart, currFramerateEnd,
+ "The start and end framerate values should be equal.");
+
+ is(typeof currFramerateStart, "number", "All values should be numbers.");
+ ok(currFramerateStart <= 60, "All values were correctly clamped.")
+
+ prevFramerateValue = currFramerateStart;
+ }
+
+ client.close().then(() => {
+ DebuggerServer.destroy();
+ SimpleTest.finish()
+ });
+ }
+}
+</script>
+</pre>
+</body>
+</html>