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Bug 1066474 - Make browser_timeline.js not fail intermittently. r=paul

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This commit is contained in:
Patrick Brosset 2014-12-16 12:37:00 -05:00
parent 92a5ccd66b
commit 86e6dc52a9
1 changed files with 20 additions and 14 deletions
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34
toolkit/devtools/server/tests/browser/browser_timeline.js
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@ -6,6 +6,9 @@
// Test that the timeline front's start/stop/isRecording methods work in a
// simple use case, and that markers events are sent when operations occur.
// Note that this test isn't concerned with which markers are actually recorded,
// just that markers are recorded at all.
// Trying to check marker types here may lead to intermittents, see bug 1066474.
const {TimelineFront} = require("devtools/server/actors/timeline");
@ -14,37 +17,40 @@ add_task(function*() {
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = yield connectDebuggerClient(client);
let front = TimelineFront(client, form);
ok(front, "The TimelineFront was created");
let isActive = yield front.isRecording();
ok(!isActive, "Not initially recording");
ok(!isActive, "The TimelineFront is not initially recording");
doc.body.innerHeight; // flush any pending reflow
info("Flush any pending reflows");
let forceSyncReflow = doc.body.innerHeight;
info("Start recording");
yield front.start();
isActive = yield front.isRecording();
ok(isActive, "Recording after start()");
ok(isActive, "The TimelineFront is now recording");
info("Change some style on the page to cause style/reflow/paint");
let onMarkers = once(front, "markers");
doc.body.style.padding = "10px";
let markers = yield onMarkers;
let markers = yield once(front, "markers");
ok(true, "The markers event was fired");
ok(markers.length > 0, "Markers were returned");
ok(markers.length > 0, "markers were returned");
ok(markers.some(m => m.name == "Reflow"), "markers includes Reflow");
ok(markers.some(m => m.name == "Paint"), "markers includes Paint");
ok(markers.some(m => m.name == "Styles"), "markers includes Restyle");
info("Flush pending reflows again");
forceSyncReflow = doc.body.innerHeight;
info("Change some style on the page to cause style/paint");
onMarkers = once(front, "markers");
doc.body.style.backgroundColor = "red";
markers = yield once(front, "markers");
markers = yield onMarkers;
ok(markers.length > 0, "markers were returned");
ok(!markers.some(m => m.name == "Reflow"), "markers doesn't include Reflow");
ok(markers.some(m => m.name == "Paint"), "markers includes Paint");
ok(markers.some(m => m.name == "Styles"), "markers includes Restyle");
yield front.stop();