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63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Test that the timeline front's start/stop/isRecording methods work in a
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// simple use case, and that markers events are sent when operations occur.
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// Note that this test isn't concerned with which markers are actually recorded,
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// just that markers are recorded at all.
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// Trying to check marker types here may lead to intermittents, see bug 1066474.
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const {TimelineFront} = require("devtools/server/actors/timeline");
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add_task(function*() {
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let doc = yield addTab("data:text/html;charset=utf-8,mop");
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initDebuggerServer();
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let client = new DebuggerClient(DebuggerServer.connectPipe());
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let form = yield connectDebuggerClient(client);
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let front = TimelineFront(client, form);
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ok(front, "The TimelineFront was created");
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let isActive = yield front.isRecording();
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ok(!isActive, "The TimelineFront is not initially recording");
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info("Flush any pending reflows");
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let forceSyncReflow = doc.body.innerHeight;
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info("Start recording");
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yield front.start({ withMarkers: true });
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isActive = yield front.isRecording();
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ok(isActive, "The TimelineFront is now recording");
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info("Change some style on the page to cause style/reflow/paint");
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let onMarkers = once(front, "markers");
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doc.body.style.padding = "10px";
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let markers = yield onMarkers;
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ok(true, "The markers event was fired");
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ok(markers.length > 0, "Markers were returned");
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info("Flush pending reflows again");
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forceSyncReflow = doc.body.innerHeight;
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info("Change some style on the page to cause style/paint");
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onMarkers = once(front, "markers");
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doc.body.style.backgroundColor = "red";
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markers = yield onMarkers;
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ok(markers.length > 0, "markers were returned");
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yield front.stop();
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isActive = yield front.isRecording();
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ok(!isActive, "Not recording after stop()");
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yield closeDebuggerClient(client);
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gBrowser.removeCurrentTab();
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});
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