Fix http://dartbug.com/16111

tests/lib/math/random_big_test.dart

Index: tests/lib/math/random_big_test.dart
===================================================================
--- tests/lib/math/random_big_test.dart	(revision 0)
+++ tests/lib/math/random_big_test.dart	(working copy)
@@ -0,0 +1,22 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Test that Random can deal with a seed outside 64-bit range.
+
+// Library tag to allow Dartium to run the test.
+library random_big;
+
+import "package:expect/expect.dart";
+import 'dart:math';
+
+main() {
+  var results = [];
+  for(var i = 60; i < 80; i++) {
+    var rng = new Random(1<<i);
+    var val = rng.nextInt(100000);
+    print("$i: $val");
+    Expect.isFalse(results.contains(val));
+    results.add(val);
+  }
+}