test262/test/language/expressions/less-than/S11.8.1_A3.1_T1.3.js

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

/*---
info: |
    If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String,
    then operator x < y returns ToNumber(x) < ToNumber(y)
es5id: 11.8.1_A3.1_T1.3
description: >
    Type(Primitive(x)) and Type(Primitive(y)) vary between Null and
    Undefined
---*/

//CHECK#1
if (null < undefined !== false) {
  throw new Test262Error('#1: null < undefined === false');
}

//CHECK#2
if (undefined < null !== false) {
  throw new Test262Error('#2: undefined < null === false');
}

//CHECK#3
if (undefined < undefined !== false) {
  throw new Test262Error('#3: undefined < undefined === false');
}

//CHECK#4
if (null < null !== false) {
  throw new Test262Error('#4: null < null === false');
}