diff -r 000000000000 -r 6474c204b198 browser/devtools/webconsole/test/browser_webconsole_split_escape_key.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webconsole/test/browser_webconsole_split_escape_key.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,171 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+function test() {
+  info("Test various cases where the escape key should hide the split console.");
+
+  let toolbox;
+  let hud;
+  let jsterm;
+  let hudMessages;
+  let variablesView;
+
+  Task.spawn(runner).then(finish);
+
+  function* runner() {
+    let {tab} = yield loadTab("data:text/html;charset=utf-8,<p>Web Console test for splitting");
+    let target = TargetFactory.forTab(tab);
+    toolbox = yield gDevTools.showToolbox(target, "inspector");
+
+    yield testCreateSplitConsoleAfterEscape();
+
+    yield showAutoCompletePopoup();
+
+    yield testHideAutoCompletePopupAfterEscape();
+
+    yield executeJS();
+    yield clickMessageAndShowVariablesView();
+    jsterm.inputNode.focus();
+
+    yield testHideVariablesViewAfterEscape();
+
+    yield clickMessageAndShowVariablesView();
+    yield startPropertyEditor();
+
+    yield testCancelPropertyEditorAfterEscape();
+    yield testHideVariablesViewAfterEscape();
+    yield testHideSplitConsoleAfterEscape();
+  }
+
+  function testCreateSplitConsoleAfterEscape() {
+    let result = toolbox.once("webconsole-ready", () => {
+      hud = toolbox.getPanel("webconsole").hud;
+      jsterm = hud.jsterm;
+      ok(toolbox.splitConsole, "Split console is created.");
+    });
+
+    let contentWindow = toolbox.frame.contentWindow;
+    contentWindow.focus();
+    EventUtils.sendKey("ESCAPE", contentWindow);
+
+    return result;
+  }
+
+  function testShowSplitConsoleAfterEscape() {
+    let result = toolbox.once("split-console", () => {
+      ok(toolbox.splitConsole, "Split console is shown.");
+    });
+    EventUtils.sendKey("ESCAPE", toolbox.frame.contentWindow);
+
+    return result;
+  }
+
+  function testHideSplitConsoleAfterEscape() {
+    let result = toolbox.once("split-console", () => {
+      ok(!toolbox.splitConsole, "Split console is hidden.");
+    });
+    EventUtils.sendKey("ESCAPE", toolbox.frame.contentWindow);
+
+    return result;
+  }
+
+  function testHideVariablesViewAfterEscape() {
+    let result = jsterm.once("sidebar-closed", () => {
+      ok(!hud.ui.jsterm.sidebar,
+        "Variables view is hidden.");
+      ok(toolbox.splitConsole,
+        "Split console is open after hiding the variables view.");
+    });
+    EventUtils.sendKey("ESCAPE", toolbox.frame.contentWindow);
+
+    return result;
+  }
+
+  function testHideAutoCompletePopupAfterEscape() {
+    let deferred = promise.defer();
+    let popup = jsterm.autocompletePopup;
+
+    popup._panel.addEventListener("popuphidden", function popupHidden() {
+      popup._panel.removeEventListener("popuphidden", popupHidden, false);
+      ok(!popup.isOpen,
+        "Auto complete popup is hidden.");
+      ok(toolbox.splitConsole,
+        "Split console is open after hiding the autocomplete popup.");
+
+      deferred.resolve();
+    }, false);
+
+    EventUtils.sendKey("ESCAPE", toolbox.frame.contentWindow);
+
+    return deferred.promise;
+  }
+
+  function testCancelPropertyEditorAfterEscape() {
+    EventUtils.sendKey("ESCAPE", variablesView.window);
+    ok(hud.ui.jsterm.sidebar,
+      "Variables view is open after canceling property editor.");
+    ok(toolbox.splitConsole,
+      "Split console is open after editing.");
+  }
+
+  function executeJS() {
+    jsterm.execute("var foo = { bar: \"baz\" }; foo;");
+    hudMessages = yield waitForMessages({
+      webconsole: hud,
+      messages: [{
+        text: "Object { bar: \"baz\" }",
+        category: CATEGORY_OUTPUT,
+        objects: true
+      }],
+    });
+  }
+
+  function clickMessageAndShowVariablesView() {
+    let result = jsterm.once("variablesview-fetched", (event, vview) => {
+      variablesView = vview;
+    });
+
+    let clickable = hudMessages[0].clickableElements[0];
+    EventUtils.synthesizeMouse(clickable, 2, 2, {}, hud.iframeWindow);
+
+    return result;
+  }
+
+  function startPropertyEditor() {
+    let results = yield findVariableViewProperties(variablesView, [
+      {name: "bar", value: "baz"}
+    ], {webconsole: hud});
+    results[0].matchedProp.focus();
+    EventUtils.synthesizeKey("VK_RETURN", variablesView.window);
+  }
+
+  function showAutoCompletePopoup() {
+    let deferred = promise.defer();
+    let popupPanel = jsterm.autocompletePopup._panel;
+
+    popupPanel.addEventListener("popupshown", function popupShown() {
+      popupPanel.removeEventListener("popupshown", popupShown, false);
+      deferred.resolve();
+    }, false);
+
+    jsterm.inputNode.focus();
+    jsterm.setInputValue("document.location.");
+    EventUtils.sendKey("TAB", hud.iframeWindow);
+
+    return deferred.promise;
+  }
+
+  function finish() {
+    toolbox.destroy().then(() => {
+      toolbox = null;
+      hud = null;
+      jsterm = null;
+      hudMessages = null;
+      variablesView = null;
+
+      finishTest();
+    });
+  }
+}