JSTests/test262/test/language/expressions/less-than-or-equal/S11.8.3_A3.1_T2.9.js

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

/*---
info: >
    Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x))
    is not String or Type(Primitive(y)) is not String
es5id: 11.8.3_A3.1_T2.9
description: >
    Type(Primitive(x)) is different from Type(Primitive(y)) and both
    types vary between Boolean (primitive or object) and Null
---*/

//CHECK#1
if (true <= null !== false) {
  $ERROR('#1: true <= null === false');
}

//CHECK#2
if (null <= true !== true) {
  $ERROR('#2: null <= true === true');
}

//CHECK#3
if (new Boolean(true) <= null !== false) {
  $ERROR('#3: new Boolean(true) <= null === false');
}

//CHECK#4
if (null <= new Boolean(true) !== true) {
  $ERROR('#4: null <= new Boolean(true) === true');
}