1 files changed, 34 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-overview-render-01.js b/devtools/client/performance/test/browser_perf-overview-render-01.js
new file mode 100644
index 000000000..a34ba21ea
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-render-01.js
@@ -0,0 +1,34 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the overview continuously renders content when recording.
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
+const { startRecording, stopRecording } = require("devtools/client/performance/test/helpers/actions");
+const { times } = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { EVENTS, OverviewView } = panel.panelWin;
+
+  yield startRecording(panel);
+
+  // Ensure overview keeps rendering.
+  yield times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: { "1": Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL }
+  });
+
+  ok(true, "Overview was rendered while recording.");
+
+  yield stopRecording(panel);
+  yield teardownToolboxAndRemoveTab(panel);
+});