DecimalRangeComparatorTest.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 DecimalRangeComparatorTest {

    private static testmethod void testIllegalArgumentExceptionThrown(){
        ObjectComparator drc = new DecimalRangeComparator();
        Boolean exceptionThrown = false;
        try{
            drc.compare(null,null);
        }catch(IllegalArgumentException e){
            exceptionThrown = true;
        }
        System.assert(exceptionThrown);
    }

    private static testmethod void testCompare(){
        Object r1 = new DecimalRange(1,2);
        Object r2 = new DecimalRange(1.5,1.7);
        ObjectComparator drc = new DecimalRangeComparator();
        System.assertEquals(-1,drc.compare(r1,r2));
        System.assertEquals(0,drc.compare(r1,r1));
        System.assertEquals(1,drc.compare(r2,r1));
    }

}