1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-recording-selected-01.js b/devtools/client/performance/test/browser_perf-recording-selected-01.js
new file mode 100644
index 000000000..15cb66ec9
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-selected-01.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler correctly handles multiple recordings and can
+ * successfully switch between them.
+ */
+
+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 { once } = require("devtools/client/performance/test/helpers/event-utils");
+const { setSelectedRecording, getRecordingsCount, getSelectedRecordingIndex } = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { EVENTS, PerformanceController } = panel.panelWin;
+
+  yield startRecording(panel);
+  yield stopRecording(panel);
+
+  yield startRecording(panel);
+  yield stopRecording(panel);
+
+  is(getRecordingsCount(panel), 2,
+    "There should be two recordings visible.");
+  is(getSelectedRecordingIndex(panel), 1,
+    "The second recording item should be selected.");
+
+  let selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  yield selected;
+
+  is(getRecordingsCount(panel), 2,
+    "There should still be two recordings visible.");
+  is(getSelectedRecordingIndex(panel), 0,
+    "The first recording item should be selected.");
+
+  yield teardownToolboxAndRemoveTab(panel);
+});