throws an assertionerror if ` actual ' is not equal to ` expected ' . if junit 4 or greater is in the classpath , this method will throw a comparisonfailure instead . more details about this feature can be found here . concode_field_sep PlaceHolder placeHolder concode_field_sep void fail concode_elem_sep void fail concode_elem_sep void fail concode_elem_sep AssertionError fail concode_elem_sep void failIfSame concode_elem_sep void failIfEqual concode_elem_sep void failIfNull concode_elem_sep AssertionError failure concode_elem_sep void failIfActualIsNull concode_elem_sep AssertionError comparisonFailed concode_elem_sep void failIfNotSame concode_elem_sep void failWithMessage concode_elem_sep void failWithMessage concode_elem_sep void failIfNotNull
void function ( String arg0 , Description arg1 , Object arg2 , Object arg3 ) { if ( areEqual ( arg2 , arg3 ) ) return ; failWithMessage ( arg0 ) ; throw comparisonFailed ( arg1 , arg2 , arg3 ) ; }