diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_bug371473.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_bug371473.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+function test_not_too_long() {
+  var ios = Cc["@mozilla.org/network/io-service;1"].
+    getService(Ci.nsIIOService);
+
+  var spec = "jar:http://example.com/bar.jar!/";
+  try {
+    var newURI = ios.newURI(spec, null, null);
+  }
+  catch (e) {
+    do_throw("newURI threw even though it wasn't passed a large nested URI?");
+  }
+}
+
+function test_too_long() {
+  var ios = Cc["@mozilla.org/network/io-service;1"].
+    getService(Ci.nsIIOService);
+
+  var i;
+  var prefix = "jar:";
+  for (i = 0; i < 16; i++) {
+    prefix = prefix + prefix;
+  }
+  var suffix = "!/";
+  for (i = 0; i < 16; i++) {
+    suffix = suffix + suffix;
+  }
+
+  var spec = prefix + "http://example.com/bar.jar" + suffix;
+  try {
+    // The following will produce a recursive call that if
+    // unchecked would lead to a stack overflow. If we
+    // do not crash here and thus an exception is caught
+    // we have passed the test.
+    var newURI = ios.newURI(spec, null, null);
+  }
+  catch (e) {
+    return;
+  }
+}
+
+function run_test() {
+  test_not_too_long();
+  test_too_long();
+}