1/*
2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * @test
26 * @bug 4654698
27 * @summary Verify that expected methods are returned for star inheritance.
28 */
29
30import java.lang.reflect.Method;
31import java.util.Arrays;
32import java.util.ArrayList;
33
34// D.m
35interface A1 extends B1, C1 {}
36interface B1 extends D1 {}
37interface C1 extends D1 {}
38interface D1 { void m(); }
39
40// A.m
41interface A2 extends B2, C2 { void m(); }
42interface B2 extends D2 {}
43interface C2 extends D2 {}
44interface D2 { void m(); }
45
46// B.m, C.m
47interface A3 extends B3, C3 {}
48interface B3 extends D3 { void m(); }
49interface C3 extends D3 { void m(); }
50interface D3 { void m() ; }
51
52// B.m
53interface A4 extends B4, C4 {}
54interface B4 extends D4 { void m(); }
55interface C4 extends D4 {}
56interface D4 { void m(); }
57
58public class StarInheritance {
59    private static int n = 1;
60
61    private static void test(Method [] ma, ArrayList expect) {
62        System.out.println("Test " + n++);
63
64        if (expect.size() != ma.length) {
65            System.err.println("  found methods: " + Arrays.asList(ma));
66            System.err.println("  expected locations: " + expect);
67            throw new RuntimeException("found = " + ma.length
68                                       +"; expected = " + expect.size());
69        }
70
71        for (int i = 0; i < ma.length; i++) {
72            Method m = ma[i];
73            System.out.println("  " + m.toString());
74            int n;
75            if (m.getName().equals("m")
76                && (n = expect.indexOf(m.getDeclaringClass())) != -1) {
77                expect.remove(n);
78            } else {
79                throw new RuntimeException("unable to locate method in class: "
80                                           + m.getDeclaringClass());
81            }
82        }
83    }
84
85    public static void main(String [] args) {
86        Class [] l1 = {D1.class};
87        test(A1.class.getMethods(), new ArrayList(Arrays.asList(l1)));
88
89        Class [] l2 = {A2.class};
90        test(A2.class.getMethods(), new ArrayList(Arrays.asList(l2)));
91
92        Class [] l3 = {B3.class, C3.class};
93        test(A3.class.getMethods(), new ArrayList(Arrays.asList(l3)));
94
95        Class [] l4 = {B4.class};
96        test(A4.class.getMethods(), new ArrayList(Arrays.asList(l4)));
97    }
98}
99