diff -r 000000000000 -r 6474c204b198 browser/devtools/netmonitor/test/browser_net_persistent_logs.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/netmonitor/test/browser_net_persistent_logs.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if the network monitor leaks on initialization and sudden destruction.
+ * You can also use this initialization format as a template for other tests.
+ */
+
+function test() {
+  let monitor, reqMenu;
+  initNetMonitor(SINGLE_GET_URL).then(([aTab, aDebuggee, aMonitor]) => {
+    info("Starting test... ");
+
+    monitor = aMonitor;
+    let { document, NetMonitorView, NetMonitorController } = aMonitor.panelWin;
+    let { RequestsMenu, NetworkDetails } = NetMonitorView;
+    reqMenu = RequestsMenu;
+
+    Services.prefs.setBoolPref("devtools.webconsole.persistlog", false);
+    content.location.reload(true);
+  })
+  .then(() => {
+    return waitForNetworkEvents(monitor, 2);
+  })
+  .then(() => {
+    is(reqMenu.itemCount, 2,
+      "The request menu should have two items at this point.");
+  })
+  .then(() => {
+     content.location.reload(true);
+     return waitForNetworkEvents(monitor, 2);
+   })
+  .then(() => {
+    // Since the reload clears the log, we still expect two requests in the log
+    is(reqMenu.itemCount, 2,
+      "The request menu should still have two items at this point.");
+  })
+  .then(() => {
+    // Now we toggle the persistence logs on
+     Services.prefs.setBoolPref("devtools.webconsole.persistlog", true);
+     content.location.reload(true);
+     return waitForNetworkEvents(monitor, 2);
+   })
+  .then(() => {
+    // Since we togged the persistence logs, we expect four items after the reload
+    is(reqMenu.itemCount, 4,
+      "The request menu should now have four items at this point.");
+  })
+  .then(() => {
+    Services.prefs.setBoolPref("devtools.webconsole.persistlog", false);
+    return teardown(monitor).then(finish);
+  });
+}