equal
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1 /* |
1 /* |
2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
22 */ |
22 */ |
23 |
23 |
24 /* |
24 /* |
25 * @test |
25 * @test |
26 * @bug 5009712 |
26 * @bug 5009712 |
27 * @summary 1.4 javac should not accept the Covariant Return Type |
27 * @summary Ensure Covariant Return Type allowed in minimum supported version |
28 * @author gafter |
28 * @author gafter |
29 * |
29 * |
30 * @compile/fail -source 1.4 ExtendCovariant2.java |
30 * @compile -source 1.6 ExtendCovariant2.java |
31 * @compile ExtendCovariant2.java |
31 * @compile ExtendCovariant2.java |
32 */ |
32 */ |
33 |
33 |
34 /** |
34 /** |
35 * java.io.PrintStream java.io.PrintStream.append(char) |
35 * java.io.PrintStream java.io.PrintStream.append(char) |
36 * |
36 * |
37 * overrides |
37 * overrides |
38 * |
38 * |
39 * java.lang.Appendable java.lang.Appendable.append(char) |
39 * java.lang.Appendable java.lang.Appendable.append(char) |
40 * |
40 * |
41 * Yet javac should allow extending PrintStream, as long as the user |
41 * With JDK 1.5, a Covariant Return is allowed so check that is the case. |
42 * doesn't directly override a covariant method in -source 1.4. |
42 * |
43 **/ |
43 **/ |
44 public class ExtendCovariant2 extends java.io.PrintStream { |
44 public class ExtendCovariant2 extends java.io.PrintStream { |
45 ExtendCovariant2() throws java.io.IOException { |
45 ExtendCovariant2() throws java.io.IOException { |
46 super(""); |
46 super(""); |
47 } |
47 } |