diff -r 000000000000 -r 6474c204b198 browser/devtools/webconsole/test/browser_console_consolejsm_output.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webconsole/test/browser_console_consolejsm_output.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,135 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Test that Console.jsm outputs messages to the Browser Console, bug 851231.
+
+function test()
+{
+  let storage = Cc["@mozilla.org/consoleAPI-storage;1"].getService(Ci.nsIConsoleAPIStorage);
+  storage.clearEvents();
+
+  let console = Cu.import("resource://gre/modules/devtools/Console.jsm", {}).console;
+  console.log("bug861338-log-cached");
+
+  HUDService.toggleBrowserConsole().then(consoleOpened);
+  let hud = null;
+
+  function consoleOpened(aHud)
+  {
+    hud = aHud;
+    waitForMessages({
+      webconsole: hud,
+      messages: [{
+        name: "cached console.log message",
+        text: "bug861338-log-cached",
+        category: CATEGORY_WEBDEV,
+        severity: SEVERITY_LOG,
+      }],
+    }).then(onCachedMessage);
+  }
+
+  function onCachedMessage()
+  {
+    hud.jsterm.clearOutput(true);
+
+    console.time("foobarTimer");
+    let foobar = { bug851231prop: "bug851231value" };
+
+    console.log("bug851231-log");
+    console.info("bug851231-info");
+    console.warn("bug851231-warn");
+    console.error("bug851231-error", foobar);
+    console.debug("bug851231-debug");
+    console.trace();
+    console.dir(document);
+    console.timeEnd("foobarTimer");
+
+    info("wait for the Console.jsm messages");
+
+    waitForMessages({
+      webconsole: hud,
+      messages: [
+        {
+          name: "console.log output",
+          text: "bug851231-log",
+          category: CATEGORY_WEBDEV,
+          severity: SEVERITY_LOG,
+        },
+        {
+          name: "console.info output",
+          text: "bug851231-info",
+          category: CATEGORY_WEBDEV,
+          severity: SEVERITY_INFO,
+        },
+        {
+          name: "console.warn output",
+          text: "bug851231-warn",
+          category: CATEGORY_WEBDEV,
+          severity: SEVERITY_WARNING,
+        },
+        {
+          name: "console.error output",
+          text: /\bbug851231-error\b.+\{\s*bug851231prop:\s"bug851231value"\s*\}/,
+          category: CATEGORY_WEBDEV,
+          severity: SEVERITY_ERROR,
+          objects: true,
+        },
+        {
+          name: "console.debug output",
+          text: "bug851231-debug",
+          category: CATEGORY_WEBDEV,
+          severity: SEVERITY_LOG,
+        },
+        {
+          name: "console.trace output",
+          consoleTrace: {
+            file: "browser_console_consolejsm_output.js",
+            fn: "onCachedMessage",
+          },
+        },
+        {
+          name: "console.dir output",
+          consoleDir: /XULDocument\s+.+\s+chrome:\/\/.+\/browser\.xul/,
+        },
+        {
+          name: "console.time output",
+          consoleTime: "foobarTimer",
+        },
+        {
+          name: "console.timeEnd output",
+          consoleTimeEnd: "foobarTimer",
+        },
+      ],
+    }).then((aResults) => {
+      let consoleErrorMsg = aResults[3];
+      ok(consoleErrorMsg, "console.error message element found");
+      let clickable = consoleErrorMsg.clickableElements[0];
+      ok(clickable, "clickable object found for console.error");
+
+      let onFetch = (aEvent, aVar) => {
+        // Skip the notification from console.dir variablesview-fetched.
+        if (aVar._variablesView != hud.jsterm._variablesView) {
+          return;
+        }
+        hud.jsterm.off("variablesview-fetched", onFetch);
+
+        ok(aVar, "object inspector opened on click");
+
+        findVariableViewProperties(aVar, [{
+          name: "bug851231prop",
+          value: "bug851231value",
+        }], { webconsole: hud }).then(finishTest);
+      };
+
+      hud.jsterm.on("variablesview-fetched", onFetch);
+
+      clickable.scrollIntoView(false);
+
+      info("wait for variablesview-fetched");
+      executeSoon(() =>
+        EventUtils.synthesizeMouse(clickable, 2, 2, {}, hud.iframeWindow));
+    });
+  }
+}