1 files changed, 42 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_statistics-02.js b/devtools/client/netmonitor/test/browser_net_statistics-02.js
new file mode 100644
index 000000000..361247e16
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_statistics-02.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests if the network inspector view is shown when the target navigates
+ * away while in the statistics view.
+ */
+
+add_task(function* () {
+  let { tab, monitor } = yield initNetMonitor(STATISTICS_URL);
+  info("Starting test... ");
+
+  let panel = monitor.panelWin;
+  let { EVENTS, NetMonitorView } = panel;
+  is(NetMonitorView.currentFrontendMode, "network-inspector-view",
+      "The initial frontend mode is correct.");
+
+  let onChartDisplayed = Promise.all([
+    panel.once(EVENTS.PRIMED_CACHE_CHART_DISPLAYED),
+    panel.once(EVENTS.EMPTY_CACHE_CHART_DISPLAYED)
+  ]);
+
+  info("Displaying statistics view");
+  NetMonitorView.toggleFrontendMode();
+  yield onChartDisplayed;
+  is(NetMonitorView.currentFrontendMode, "network-statistics-view",
+        "The frontend mode is currently in the statistics view.");
+
+  info("Reloading page");
+  let onWillNavigate = panel.once(EVENTS.TARGET_WILL_NAVIGATE);
+  let onDidNavigate = panel.once(EVENTS.TARGET_DID_NAVIGATE);
+  tab.linkedBrowser.reload();
+  yield onWillNavigate;
+  is(NetMonitorView.currentFrontendMode, "network-inspector-view",
+          "The frontend mode switched back to the inspector view.");
+  yield onDidNavigate;
+  is(NetMonitorView.currentFrontendMode, "network-inspector-view",
+            "The frontend mode is still in the inspector view.");
+  yield teardown(monitor);
+});