diff -r 000000000000 -r 6474c204b198 browser/devtools/webconsole/test/browser_webconsole_closure_inspection.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webconsole/test/browser_webconsole_closure_inspection.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,91 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Check that inspecting a closure in the variables view sidebar works when
+// execution is paused.
+
+const TEST_URI = "http://example.com/browser/browser/devtools/webconsole/test/test-closures.html";
+
+let gWebConsole, gJSTerm, gVariablesView;
+
+function test()
+{
+  registerCleanupFunction(() => {
+    gWebConsole = gJSTerm = gVariablesView = null;
+  });
+
+  addTab(TEST_URI);
+  browser.addEventListener("load", function onLoad() {
+    browser.removeEventListener("load", onLoad, true);
+    openConsole(null, (hud) => {
+      openDebugger().then(({ toolbox, panelWin }) => {
+        let deferred = promise.defer();
+        panelWin.gThreadClient.addOneTimeListener("resumed", (aEvent, aPacket) => {
+          ok(true, "Debugger resumed");
+          deferred.resolve({ toolbox: toolbox, panelWin: panelWin });
+        });
+        return deferred.promise;
+      }).then(({ toolbox, panelWin }) => {
+        let deferred = promise.defer();
+        panelWin.once(panelWin.EVENTS.FETCHED_SCOPES, (aEvent, aPacket) => {
+          ok(true, "Scopes were fetched");
+          toolbox.selectTool("webconsole").then(() => consoleOpened(hud));
+          deferred.resolve();
+        });
+
+        let button = content.document.querySelector("button");
+        ok(button, "button element found");
+        button.click();
+
+        return deferred.promise;
+      });
+    });
+  }, true);
+}
+
+function consoleOpened(hud)
+{
+  gWebConsole = hud;
+  gJSTerm = hud.jsterm;
+  gJSTerm.execute("window.george.getName");
+
+  waitForMessages({
+    webconsole: gWebConsole,
+    messages: [{
+      text: "function _pfactory/<.getName()",
+      category: CATEGORY_OUTPUT,
+      objects: true,
+    }],
+  }).then(onExecuteGetName);
+}
+
+function onExecuteGetName(aResults)
+{
+  let clickable = aResults[0].clickableElements[0];
+  ok(clickable, "clickable object found");
+
+  gJSTerm.once("variablesview-fetched", onGetNameFetch);
+  EventUtils.synthesizeMouse(clickable, 2, 2, {}, gWebConsole.iframeWindow)
+}
+
+function onGetNameFetch(aEvent, aVar)
+{
+  gVariablesView = aVar._variablesView;
+  ok(gVariablesView, "variables view object");
+
+  findVariableViewProperties(aVar, [
+    { name: /_pfactory/, value: "" },
+  ], { webconsole: gWebConsole }).then(onExpandClosure);
+}
+
+function onExpandClosure(aResults)
+{
+  let prop = aResults[0].matchedProp;
+  ok(prop, "matched the name property in the variables view");
+
+  gVariablesView.window.focus();
+  gJSTerm.once("sidebar-closed", finishTest);
+  EventUtils.synthesizeKey("VK_ESCAPE", {}, gVariablesView.window);
+}