test262/test/language/expressions/strict-equals/S11.9.4_A4.1_T1.js

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

/*---
info: If x or y is NaN, return false
es5id: 11.9.4_A4.1_T1
description: x is NaN
---*/

//CHECK#1
if (Number.NaN === true) {
  throw new Test262Error('#1: NaN !== true');
}

//CHECK#2
if (Number.NaN === 1) {
  throw new Test262Error('#2: NaN !== 1');
}

//CHECK#3
if (Number.NaN === Number.NaN) {
  throw new Test262Error('#3: NaN !== NaN');
}

//CHECK#4
if (Number.NaN === Number.POSITIVE_INFINITY) {
  throw new Test262Error('#4: NaN !== +Infinity');
}

//CHECK#5
if (Number.NaN === Number.NEGATIVE_INFINITY) {
  throw new Test262Error('#5: NaN !== -Infinity');
}

//CHECK#6
if (Number.NaN === Number.MAX_VALUE) {
  throw new Test262Error('#6: NaN !== Number.MAX_VALUE');
}

//CHECK#7
if (Number.NaN === Number.MIN_VALUE) {
  throw new Test262Error('#7: NaN !== Number.MIN_VALUE');
}

//CHECK#8
if (Number.NaN === "string") {
  throw new Test262Error('#8: NaN !== "string"');
}

//CHECK#9
if (Number.NaN === new Object()) {
  throw new Test262Error('#9: NaN !== new Object()');
}