diff -r 000000000000 -r 6474c204b198 content/base/test/bug540854.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/test/bug540854.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+const CC = Components.Constructor;
+const BinaryInputStream = CC("@mozilla.org/binaryinputstream;1",
+                             "nsIBinaryInputStream",
+                             "setInputStream");
+
+function handleRequest(request, response)
+{
+  response.setHeader("Content-Type", "text/plain", false);
+
+  var body = new BinaryInputStream(request.bodyInputStream);
+
+  var avail;
+  var bytes = [];
+  while ((avail = body.available()) > 0)
+    Array.prototype.push.apply(bytes, body.readByteArray(avail));
+
+  var data = String.fromCharCode.apply(null, bytes);
+  response.bodyOutputStream.write(data, data.length);
+}