gecko-dev/devtools/server/tests/browser/browser_markers-gc.js

51 строка
1.6 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test that we get "GarbageCollection" markers.
*/
const { PerformanceFront } = require("devtools/shared/fronts/performance");
const MARKER_NAME = "GarbageCollection";
add_task(function* () {
let browser = yield addTab(MAIN_DOMAIN + "doc_force_gc.html");
let doc = browser.contentDocument;
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = yield connectDebuggerClient(client);
let front = PerformanceFront(client, form);
yield front.connect();
let rec = yield front.startRecording({ withMarkers: true });
let markers = yield waitForMarkerType(front, MARKER_NAME);
yield front.stopRecording(rec);
ok(markers.some(m => m.name === MARKER_NAME), `got some ${MARKER_NAME} markers`);
ok(markers.every(({causeName}) => typeof causeName === "string"),
"All markers have a causeName.");
ok(markers.every(({cycle}) => typeof cycle === "number"),
"All markers have a `cycle` ID.");
markers = rec.getMarkers();
// Bug 1197646
let ordered = true;
markers.reduce((previousStart, current, i) => {
if (i === 0) {
return current.start;
}
if (current.start < previousStart) {
ok(false, `markers must be in order. ${current.name} marker has later start time (${current.start}) thanprevious: ${previousStart}`);
ordered = false;
}
return current.start;
});
is(ordered, true, "All GC and non-GC markers are in order by start time.");
yield client.close();
gBrowser.removeCurrentTab();
});