test262/test/language/expressions/prefix-decrement/S11.4.5_A3_T1.js

23 lines
532 B
JavaScript

// 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_T1
description: Type(x) is boolean primitive or Boolean object
---*/
//CHECK#1
var x = true;
--x;
if (x !== 1 - 1) {
$ERROR('#1: var x = true; --x; x === 1 - 1. Actual: ' + (x));
}
//CHECK#2
var x = new Boolean(false);
--x;
if (x !== 0 - 1) {
$ERROR('#2: var x = new Boolean(false); --x; x === 0 - 1. Actual: ' + (x));
}