| /* |
| * Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion |
| * typeParameter ::= metadata identifier (extends typeNotVoid)? |
| * typeParameters ::= ‘<’ typeParameter (‘,’ typeParameter)* ‘>’ |
| * ... |
| * If no extends clause is present, the upper bound is Object. |
| * @description Checks that the upper bound is [Object] if [extends] clause is |
| * absent. |
| * @author iarkh@unipro.ru |
| */ |
| |
| class A {} |
| class B extends A {} |
| class C extends B {} |
| |
| class C1<T> {} |
| |
| main() { |
| C1 c11 = C1(); |
| C1 c12 = C1<A>(); |
| C1 c13 = C1<B>(); |
| C1 c14 = C1<C>(); |
| C1 c15 = C1<Object>(); |
| } |