1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/server/tests/browser/browser_perf-allocation-data.js b/devtools/server/tests/browser/browser_perf-allocation-data.js
new file mode 100644
index 0000000000..150129cb82
--- /dev/null
+++ b/devtools/server/tests/browser/browser_perf-allocation-data.js
@@ -0,0 +1,45 @@
+/* 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.
+ */
+
+"use strict";
+
+add_task(async function() {
+  const target = await addTabTarget(MAIN_DOMAIN + "doc_allocations.html");
+  const front = await target.getFront("performance");
+
+  const rec = await front.startRecording({
+    withMarkers: true,
+    withAllocations: true,
+    withTicks: true,
+  });
+
+  await waitUntil(() => rec.getAllocations().frames.length);
+  await waitUntil(() => rec.getAllocations().timestamps.length);
+  await waitUntil(() => rec.getAllocations().sizes.length);
+  await waitUntil(() => rec.getAllocations().sites.length);
+
+  await front.stopRecording(rec);
+
+  const { timestamps, sizes } = 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"
+  );
+
+  await target.destroy();
+  gBrowser.removeCurrentTab();
+});