// 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 GetValue
es5id: 11.5.2_A2.1_T1
description: Either Type is not Reference or GetBase is not null
---*/

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

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

//CHECK#3
var y = 1;
if (1 / y !== 1) {
  $ERROR('#3: var y = 1; 1 / y === 1. Actual: ' + (1 / y));
}

//CHECK#4
var x = 1;
var y = 1;
if (x / y !== 1) {
  $ERROR('#4: var x = 1; var y = 1; x / y === 1. Actual: ' + (x / y));
}

//CHECK#5
var objectx = new Object();
var objecty = new Object();
objectx.prop = 1;
objecty.prop = 1;
if (objectx.prop / objecty.prop !== 1) {
  $ERROR('#5: var objectx = new Object(); var objecty = new Object(); objectx.prop = 1; objecty.prop = 1; objectx.prop / objecty.prop === 1. Actual: ' + (objectx.prop / objecty.prop));
}
