// 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: 11.5.1_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));
}
