diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_http_headers.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_http_headers.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,67 @@
+function check_request_header(chan, name, value) {
+  var chanValue;
+  try {
+    chanValue = chan.getRequestHeader(name);
+  } catch (e) {
+    do_throw("Expected to find header '" + name + "' but didn't find it");
+  }
+  do_check_eq(chanValue, value);
+}
+
+function run_test() {
+  var ios = Components.classes["@mozilla.org/network/io-service;1"]
+                      .getService(Components.interfaces.nsIIOService);
+  var chan = ios.newChannel("http://www.mozilla.org/", null, null)
+                .QueryInterface(Components.interfaces.nsIHttpChannel);
+
+  check_request_header(chan, "host", "www.mozilla.org");
+  check_request_header(chan, "Host", "www.mozilla.org");
+
+  chan.setRequestHeader("foopy", "bar", false);
+  check_request_header(chan, "foopy", "bar");
+
+  chan.setRequestHeader("foopy", "baz", true);
+  check_request_header(chan, "foopy", "bar, baz");
+
+  for (var i = 0; i < 100; ++i)
+    chan.setRequestHeader("foopy" + i, i, false);
+
+  for (var i = 0; i < 100; ++i)
+    check_request_header(chan, "foopy" + i, i);
+
+  var x = false;
+  try {
+    chan.setRequestHeader("foo:py", "baz", false);
+  } catch (e) {
+    x = true;
+  }
+  if (!x)
+    do_throw("header with colon not rejected");
+
+  x = false;
+  try {
+    chan.setRequestHeader("foopy", "b\naz", false);
+  } catch (e) {
+    x = true;
+  }
+  if (!x)
+    do_throw("header value with newline not rejected");
+
+  x = false;
+  try {
+    chan.setRequestHeader("foopy\u0080", "baz", false);
+  } catch (e) {
+    x = true;
+  }
+  if (!x)
+    do_throw("header name with non-ASCII not rejected");
+
+  x = false;
+  try {
+    chan.setRequestHeader("foopy", "b\u0000az", false);
+  } catch (e) {
+    x = true;
+  }
+  if (!x)
+    do_throw("header value with null-byte not rejected");
+}