SObjectSortByNameComparatorTest.cls

/* ============================================================
 * This code is part of the "apex-lang" open source project avaiable at:
 * 
 *      http://code.google.com/p/apex-lang/
 *
 * This code is licensed under the Apache License, Version 2.0.  You may obtain a 
 * copy of the License at:
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * ============================================================
 */
@IsTest
private class SObjectSortByNameComparatorTest {

    private static testmethod void testCompareBadInput(){
        ISObjectComparator comparator = new SObjectSortByNameComparator();
        System.assertEquals(-1,comparator.compare(null,new Account(name='test123'))); 
        System.assertEquals(0,comparator.compare(null,null)); 
        System.assertEquals(1,comparator.compare(new Account(name='test123'),null)); 
        
    }
    
    private static testmethod void testCompareWithAccounts(){
        Account a1 = new Account(name='abc');
        Account a2 = new Account(name='efg');
        ISObjectComparator comparator = new SObjectSortByNameComparator();
        System.assert(0 > comparator.compare(a1,a2)); 
        System.assert(0 == comparator.compare(a1,a1)); 
        System.assert(0 < comparator.compare(a2,a1)); 
    }
    
    private static testmethod void testCompareWithContacts(){
        Opportunity o1 = new Opportunity(name='abc');
        Opportunity o2 = new Opportunity(name='efg');
        ISObjectComparator comparator = new SObjectSortByNameComparator();
        System.assert(0 > comparator.compare(o1,o2)); 
        System.assert(0 == comparator.compare(o1,o1)); 
        System.assert(0 < comparator.compare(o2,o1)); 
    }
}