@Test
 public void shouldRaiseRedlineExceptionWhenObjectCantBeResolved() {
   try {
     new PrimObject().resolveObject("Foo");
   } catch (RedlineException e) {
     assertTrue(e.getCause() instanceof ClassNotFoundException);
     assertEquals("java.lang.ClassNotFoundException: Foo", e.getCause().toString());
   }
 }
 @Test
 public void shouldLookupImportsForFullyQualifiedClassNameWhenResolvingObjects() {
   PrimObject aClass = mock(PrimObject.class);
   PrimObject primObject = new PrimObject();
   when(aClass.packageFor("Thing")).thenReturn("st.redline.Thing");
   primObject.cls(aClass);
   try {
     primObject.resolveObject("Thing");
   } catch (RedlineException e) {
     assertEquals(
         "st.redline.core.RedlineException: java.lang.ClassNotFoundException: st.redline.Thing",
         e.toString());
   }
 }
 @Test
 public void performShouldInvokeDnuWhenNoClassSet() {
   PrimObject object = new PrimObject();
   try {
     object.perform("anything");
   } catch (RedlineException e) {
     assertEquals(
         e.getMessage(),
         "Object '"
             + object.toString()
             + "' ("
             + object.cls().toString()
             + ") does not understand 'anything'.");
   }
 }