1 files changed, 43 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-docload.js b/devtools/client/performance/test/browser_perf-docload.js
new file mode 100644
index 000000000..b92a8cfbd
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-docload.js
@@ -0,0 +1,43 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the sidebar is updated with "DOMContentLoaded" and "load" markers.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
+const { startRecording, stopRecording, reload } = require("devtools/client/performance/test/helpers/actions");
+const { waitUntil } = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(function* () {
+  let { panel, target } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { PerformanceController } = panel.panelWin;
+
+  yield startRecording(panel);
+  yield reload(target);
+
+  yield waitUntil(() => {
+    // Wait until we get the necessary markers.
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    if (!markers.some(m => m.name == "document::DOMContentLoaded") ||
+        !markers.some(m => m.name == "document::Load")) {
+      return false;
+    }
+
+    ok(markers.filter(m => m.name == "document::DOMContentLoaded").length == 1,
+      "There should only be one `DOMContentLoaded` marker.");
+    ok(markers.filter(m => m.name == "document::Load").length == 1,
+      "There should only be one `load` marker.");
+
+    return true;
+  });
+
+  yield stopRecording(panel);
+  yield teardownToolboxAndRemoveTab(panel);
+});