diff -r 000000000000 -r 6474c204b198 browser/devtools/webconsole/test/browser_webconsole_bug_600183_charset.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webconsole/test/browser_webconsole_bug_600183_charset.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,53 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ *
+ * Contributor(s):
+ *  Mihai Șucan <mihai.sucan@gmail.com>
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+const TEST_URI = "http://example.com/browser/browser/devtools/webconsole/test/test-bug-600183-charset.html";
+
+function performTest(lastFinishedRequest, aConsole)
+{
+  ok(lastFinishedRequest, "charset test page was loaded and logged");
+  HUDService.lastFinishedRequest.callback = null;
+
+  executeSoon(() => {
+    aConsole.webConsoleClient.getResponseContent(lastFinishedRequest.actor,
+      (aResponse) => {
+        ok(!aResponse.contentDiscarded, "response body was not discarded");
+
+        let body = aResponse.content.text;
+        ok(body, "we have the response body");
+
+        let chars = "\u7684\u95ee\u5019!"; // 的问候!
+        isnot(body.indexOf("<p>" + chars + "</p>"), -1,
+          "found the chinese simplified string");
+
+        HUDService.lastFinishedRequest.callback = null;
+        executeSoon(finishTest);
+      });
+  });
+}
+
+function test()
+{
+  addTab("data:text/html;charset=utf-8,Web Console - bug 600183 test");
+
+  browser.addEventListener("load", function onLoad() {
+    browser.removeEventListener("load", onLoad, true);
+
+    openConsole(null, function(hud) {
+      hud.ui.setSaveRequestAndResponseBodies(true).then(() => {
+        ok(hud.ui._saveRequestAndResponseBodies,
+          "The saveRequestAndResponseBodies property was successfully set.");
+
+        HUDService.lastFinishedRequest.callback = performTest;
+        content.location = TEST_URI;
+      });
+    });
+  }, true);
+}