test262/test/language/expressions/void/S11.4.2_A4_T6.js

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

/*---
info: Operator "void" evaluates UnaryExpression and returns undefined
es5id: 11.4.2_A4_T6
description: Checking Simple Assignment operator
---*/

//CHECK#1
var x = 0;
if (void (x = 1) !== undefined) {
  throw new Test262Error('#1: var x = 0; void (x = 1) === undefined. Actual: ' + (void (x = 1)));
} else {
  if (x !== 1) {
    throw new Test262Error('#1: var x = 0; void (x = 1); x === 1. Actual: ' + (x));
  } 
}