1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-details-render-00-waterfall.js b/devtools/client/performance/test/browser_perf-details-render-00-waterfall.js
new file mode 100644
index 000000000..5f65fa00d
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+++ b/devtools/client/performance/test/browser_perf-details-render-00-waterfall.js
@@ -0,0 +1,40 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the waterfall view renders content after recording.
+ */
+
+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");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { DetailsView, WaterfallView } = panel.panelWin;
+
+  yield startRecording(panel);
+  // Already waits for EVENTS.UI_WATERFALL_RENDERED.
+  yield stopRecording(panel);
+
+  ok(DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is selected by default in the details view.");
+
+  ok(true, "WaterfallView rendered after recording is stopped.");
+
+  yield startRecording(panel);
+  // Already waits for EVENTS.UI_WATERFALL_RENDERED.
+  yield stopRecording(panel);
+
+  ok(DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is still selected in the details view.");
+
+  ok(true, "WaterfallView rendered again after recording completed a second time.");
+
+  yield teardownToolboxAndRemoveTab(panel);
+});