question: verify if the given writer is not ` null ' concode_field_sep TemporaryFolder testFolder concode_field_sep void testActualWrite concode_elem_sep void testNonExistentFile concode_elem_sep void testIoException
target: void function ( ) { final File loc0 = this . testFolder . newFile ( ) ; new SimpleFileWriter ( loc0 . getPath ( ) , Assert :: assertNotNull ) ; }