diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_clean-exit.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_clean-exit.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that closing a tab with the debugger in a paused state exits cleanly.
+ */
+
+let gTab, gDebuggee, gPanel, gDebugger;
+
+const TAB_URL = EXAMPLE_URL + "doc_inline-debugger-statement.html";
+
+function test() {
+  initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
+    gTab = aTab;
+    gDebuggee = aDebuggee;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+
+    testCleanExit();
+  });
+}
+
+function testCleanExit() {
+  waitForSourceAndCaretAndScopes(gPanel, ".html", 16).then(() => {
+    is(gDebugger.gThreadClient.paused, true,
+      "Should be paused after the debugger statement.");
+
+    closeDebuggerAndFinish(gPanel, { whilePaused: true });
+  });
+
+  gDebuggee.runDebuggerStatement();
+}
+
+registerCleanupFunction(function() {
+  gTab = null;
+  gDebuggee = null;
+  gPanel = null;
+  gDebugger = null;
+});