import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/server/tests/browser/browser_perf-allocation-data.js

@@ -0,0 +1,38 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that we have allocation data coming from the front.
+ */
+
+const { PerformanceFront } = require("devtools/shared/fronts/performance");
+
+add_task(function* () {
+  let browser = yield addTab(MAIN_DOMAIN + "doc_allocations.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, withAllocations: true, withTicks: true });
+
+  yield waitUntil(() => rec.getAllocations().frames.length);
+  yield waitUntil(() => rec.getAllocations().timestamps.length);
+  yield waitUntil(() => rec.getAllocations().sizes.length);
+  yield waitUntil(() => rec.getAllocations().sites.length);
+
+  yield front.stopRecording(rec);
+
+  let { frames, timestamps, sizes, sites } = rec.getAllocations();
+
+  is(timestamps.length, sizes.length, "we have the same amount of timestamps and sizes");
+  ok(timestamps.every(time => time > 0 && typeof time === "number"), "all timestamps have numeric values");
+  ok(sizes.every(n => n > 0 && typeof n === "number"), "all sizes are positive numbers");
+
+  yield front.destroy();
+  yield client.close();
+  gBrowser.removeCurrentTab();
+});