michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * The production x -= y is the same as x = x - y
michael@0:  *
michael@0:  * @path ch11/11.13/11.13.2/S11.13.2_A4.5_T1.1.js
michael@0:  * @description Type(x) and Type(y) vary between primitive boolean and Boolean object
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: x = true;
michael@0: x -= true;
michael@0: if (x !== 0) {
michael@0:   $ERROR('#1: x = true; x -= true; x === 0. Actual: ' + (x));
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: x = new Boolean(true);
michael@0: x -= true;
michael@0: if (x !== 0) {
michael@0:   $ERROR('#2: x = new Boolean(true); x -= true; x === 0. Actual: ' + (x));
michael@0: }
michael@0: 
michael@0: //CHECK#3
michael@0: x = true;
michael@0: x -= new Boolean(true);
michael@0: if (x !== 0) {
michael@0:   $ERROR('#3: x = true; x -= new Boolean(true); x === 0. Actual: ' + (x));
michael@0: }
michael@0: 
michael@0: //CHECK#4
michael@0: x = new Boolean(true);
michael@0: x -= new Boolean(true);
michael@0: if (x !== 0) {
michael@0:   $ERROR('#4: x = new Boolean(true); x -= new Boolean(true); x === 0. Actual: ' + (x));
michael@0: }
michael@0: