anchor.diff:  			upper: function(string) { return uCase(string); }
   		});
   		var result = _.upper("fabio");
  -		assertEquals("Fabio", result);
  +		assertEquals("FABIO", result);
  +		//todo this assertion doesn't actually check that the case of both strings is the same
   	}
   	
   	public void function testResult() {
  
positive.code: 	public void function tearDown() {
  		structDelete(variables, "_");
  	}
  	
  		
  }
  
negative.code: 		var result = _.toArray({a:10,b:20});
  		assertTrue(_.has(result, 10));
  	    assertTrue(_.has(result, 20));
  	    assertEquals(2, arrayLen(result));
  	}
  	
  	public void function testSize() {
  