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:  * If one expression is undefined or null and another is not, return false
michael@0:  *
michael@0:  * @path ch11/11.9/11.9.1/S11.9.1_A6.2_T1.js
michael@0:  * @description x is null or undefined, y is not
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: if ((undefined == true) !== false) {
michael@0:   $ERROR('#1: (undefined == true) === false');
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: if ((undefined == 0) !== false) {
michael@0:   $ERROR('#2: (undefined == 0) === false');
michael@0: }
michael@0: 
michael@0: //CHECK#3
michael@0: if ((undefined == "undefined") !== false) {
michael@0:   $ERROR('#3: (undefined == "undefined") === false');
michael@0: }
michael@0: 
michael@0: //CHECK#4
michael@0: if ((undefined == {}) !== false) {
michael@0:   $ERROR('#4: (undefined == {}) === false');
michael@0: }
michael@0: 
michael@0: //CHECK#5
michael@0: if ((null == false) !== false) {
michael@0:   $ERROR('#5: (null == false) === false');
michael@0: }
michael@0: 
michael@0: //CHECK#6
michael@0: if ((null == 0) !== false) {
michael@0:   $ERROR('#6: (null == 0) === false');
michael@0: }
michael@0: 
michael@0: //CHECK#7
michael@0: if ((null == "null") !== false) {
michael@0:   $ERROR('#7: (null == "null") === false');
michael@0: }
michael@0: 
michael@0: //CHECK#8
michael@0: if ((null == {}) !== false) {
michael@0:   $ERROR('#8: (null == {}) === false');
michael@0: }
michael@0: