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

/*---
info: Operator --x returns x = ToNumber(x) - 1
es5id: 11.4.5_A3_T2
description: Type(x) is number primitive or Number object
---*/

//CHECK#1
var x = 0.1; 
--x;
if (x !== 0.1 - 1) {
  $ERROR('#1: var x = 0.1; --x; x === 0.1 - 1. Actual: ' + (x));
}

//CHECK#2
var x = new Number(-1.1); 
--x;
if (x !== -1.1 - 1) {
  $ERROR('#2: var x = new Number(-1.1); --x; x === -1.1 - 1. Actual: ' + (x));
}
