src/third_party/mozjs-45/js/src/tests/test262/ch11/11.9/11.9.2/S11.9.2_A4.1_T2.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/**
 * If x or y is NaN, return true
 *
 * @path ch11/11.9/11.9.2/S11.9.2_A4.1_T2.js
 * @description y is NaN
 */

//CHECK#1
if ((true != Number.NaN) !== true) {
  $ERROR('#1: (true != NaN) === true');
}

//CHECK#2
if ((-1 != Number.NaN) !== true) {
  $ERROR('#2: (-1 != NaN) === true');
}

//CHECK#3
if ((Number.NaN != Number.NaN) !== true) {
  $ERROR('#3: (NaN != NaN) === true');
}

//CHECK#4
if ((Number.POSITIVE_INFINITY != Number.NaN) !== true) {
  $ERROR('#4: (+Infinity != NaN) === true');
}

//CHECK#5
if ((Number.NEGATIVE_INFINITY != Number.NaN) !== true) {
  $ERROR('#5: (-Infinity != NaN) === true');
}

//CHECK#6
if ((Number.MAX_VALUE != Number.NaN) !== true) {
  $ERROR('#6: (Number.MAX_VALUE != NaN) === true');
}

//CHECK#7
if ((Number.MIN_VALUE != Number.NaN) !== true) {
  $ERROR('#7: (Number.MIN_VALUE != NaN) === true');
}

//CHECK#8
if (("string" != Number.NaN) !== true) {
  $ERROR('#8: ("string" != NaN) === true');
}

//CHECK#9
if ((new Object() != Number.NaN) !== true) {
  $ERROR('#9: (new Object() != NaN) === true');
}