50_InstanceOfExpression_Test.csf

class AClass
extends acdk.lang.acdk::lang::Object
implements acdk.lang.Comparable
{
  int _numb;
  public AClass(int number) { _numb = number; }
  int compareTo(acdk::lang::Object other) 
  { 
    return _numb - other._numb; 
  }
}

Integer cls = new Integer(42);
acdk.lang.Comparable comp1;
{
  comp1 = new AClass(42);
}

if ((comp1 instanceof AClass) == false)
  throw new acdk.tools.aunit.TestException("instanceof seems not to work 1");
acdk.lang.Comparable comp2 = new String("bla");
if ((comp2 instanceof acdk.lang.Comparable) == false)
  throw new acdk.tools.aunit.TestException("instanceof seems not to work 2");

comp1.compareTo(new AClass(cls)); // convert it automatically from Integer to int
out.println("TEST OK");