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

/*---
info: If ToBoolean(x) is false, return z
es5id: 11.12_A3_T1
description: Type(y) and Type(z) are boolean primitives
---*/

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

//CHECK#2
var z = new Boolean(true);
if ((false ? true : z) !== z) {
  $ERROR('#2: (var y = new Boolean(true); (false ? true : z) === z');
}
