diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_aaa_run_first_leaktest.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_aaa_run_first_leaktest.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * This tests if the debugger leaks on initialization and sudden destruction.
+ * You can also use this initialization format as a template for other tests.
+ * If leaks happen here, there's something very, very fishy going on.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_script-switching-01.html";
+
+function test() {
+  // Wait longer for this very simple test that comes first, to make sure that
+  // GC from previous tests does not interfere with the debugger suite.
+  requestLongerTimeout(2);
+
+  initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
+    ok(aTab, "Should have a tab available.");
+    ok(aDebuggee, "Should have a debuggee available.");
+    ok(aPanel, "Should have a debugger pane available.");
+
+    waitForSourceAndCaretAndScopes(aPanel, "-02.js", 1).then(() => {
+      resumeDebuggerThenCloseAndFinish(aPanel);
+    });
+
+    aDebuggee.firstCall();
+  });
+}