add: assertNotNull(descr, actual); 
context:   function assertSize(descr, expected, actual) {    var actualSize;    actualSize = actual.length;    assertEquals(descr, expected, actualSize);  }
meta: 7959	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7959/cf0bbec447c695e5fffeabc256a55ee6f64c2fac/DOMTestCase.js/clean/ecmascript/DOMTestCase.js