/** * File Name: StrictEquality-001.js * ECMA Section: 11.9.6.js * Description: * * Author: christine@netscape.com * Date: 4 september 1998 */ var SECTION = "StrictEquality-001 - 11.9.6"; var VERSION = "ECMA_2"; var TITLE = "The strict equality operator ( === )"; startTest(); writeHeaderToLog( SECTION + " "+ TITLE); var tc = 0; var testcases = new Array(); // 1. If Type(x) is different from Type(y) return false StrictEquality( true, new Boolean(true), false ); StrictEquality( new Boolean(), false, false ); StrictEquality( "", new String(), false ); StrictEquality( new String("hi"), "hi", false ); // 2. If Type(x) is not Number go to step 9. // 3. If x is NaN, return false StrictEquality( NaN, NaN, false ); StrictEquality( NaN, 0, false ); // 4. If y is NaN, return false. StrictEquality( 0, NaN, false ); // 5. if x is the same number value as y, return true // 6. If x is +0 and y is -0, return true // 7. If x is -0 and y is +0, return true // 8. Return false. // 9. If Type(x) is String, then return true if x and y are exactly // the same sequence of characters ( same length and same characters // in corresponding positions.) Otherwise return false. // 10. If Type(x) is Boolean, return true if x and y are both true or // both false. otherwise return false. // Return true if x and y refer to the same object. Otherwise return // false. // Return false. test(); function StrictEquality( x, y, expect ) { result = ( x === y ); testcases[tc++] = new TestCase( SECTION, x +" === " + y, expect, result ); }