1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * NASHORN-331 : Nan compares
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 print(undefined == null);
  32 print(undefined != null);
  33 print(undefined === null);
  34 print(undefined !== null);
  35 print(null == undefined);
  36 print(null != undefined);
  37 print(null === undefined);
  38 print(null !== undefined);
  39 
  40 var n = Math.NaN;
  41 var x = 17;
  42 print(x < n);
  43 print(x > n);
  44 print(x >= n);
  45 print(x <= n);
  46 print(x == n);
  47 print(x != n);
  48 print(x == n);
  49 print(x !== n);
  50 
  51 var u = undefined;
  52 var y = 18;
  53 print(x < u);
  54 print(x > u);
  55 print(x >= u);
  56 print(x <= u);
  57 print(x == u);
  58 print(x != u);
  59 print(x == u);
  60 print(x !== u);