void function ( ) { fail ( null ) ; }
fails with no message . concode_field_sep PlaceHolder placeHolder concode_field_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 void failIfNotEqual 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