JSTests/test262/test/language/expressions/unary-minus/S11.4.7_A2.1_T1.js

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

/*---
info: Operator -x uses GetValue
es5id: 11.4.7_A2.1_T1
description: Either Type(x) is not Reference or GetBase(x) is not null
---*/

//CHECK#1
if (-1 !== -1) {
  throw new Test262Error('#1: -1 === -1. Actual: ' + (-1));
}

//CHECK#2
if (-(-1) !== 1) {
  throw new Test262Error('#2: -(-1) === -1. Actual: ' + (-(-1)));
}

//CHECK#3
var x = -1;
if (-x !== 1) {
  throw new Test262Error('#3: var x = -1; -x === 1. Actual: ' + (-x));
}

//CHECK#4
var x = -1;
if (-(-x) !== -1) {
  throw new Test262Error('#4: var x = -1; -(-x) === -1. Actual: ' + (-(-x)));
}

//CHECK#5
var object = new Object();
object.prop = 1;
if (-object.prop !== -1) {
  throw new Test262Error('#5: var object = new Object(); object.prop = -1; -object.prop === -1. Actual: ' + (-object.prop));
}