// 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 uses PutValue(x, x @ y)
es5id: 11.13.2_A3.1_T2
description: Checking Expression and Variable statements for x /= y
---*/

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

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