File: OverrideSealedTest.java

package info (click to toggle)
openjdk-17 17.0.17%2B10-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 764,928 kB
  • sloc: java: 5,319,061; xml: 1,291,711; cpp: 1,202,358; ansic: 428,746; asm: 404,978; objc: 20,861; sh: 14,754; javascript: 10,743; python: 6,402; makefile: 2,404; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (71 lines) | stat: -rw-r--r-- 2,524 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
/*
 * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8225056
 */

// Test that a method in a sealed class or interface can be overridden.
public class OverrideSealedTest {

    sealed class Rectangle permits Square {
        public String draw() { return "rectangle"; }
    }

    final class Square extends Rectangle {
        public String draw() { return "square"; }
    }

    Rectangle r = new Rectangle();
    Rectangle rs = new Square();
    Square s = new Square();


    public sealed interface Shape permits Circle {
        default String name() { return "shape"; }
    }

    final class Circle implements Shape {
        public String name() { return "circle"; }
    }

    Shape sc = new Circle();
    Circle c = new Circle();


    public static void main(String... args) {
        OverrideSealedTest ost = new OverrideSealedTest();
        if (ost.r.draw() != "rectangle")
            throw new RuntimeException("Bad value returned by draw(): " + ost.r.draw());
        if (ost.rs.draw() != "square")
            throw new RuntimeException("Bad value returned by draw(): " + ost.rs.draw());
        if (ost.s.draw() != "square")
            throw new RuntimeException("Bad value returned by draw(): " + ost.s.draw());

        if (ost.sc.name() != "circle")
            throw new RuntimeException("Bad value returned by name(): " + ost.sc.name());
        if (ost.c.name() != "circle")
            throw new RuntimeException("Bad value returned by name(): " + ost.c.name());
    }
}