Mercurial > hg > truffle
comparison test/runtime/lambda-features/TestInterfaceInit.java @ 20576:90257dfad6e3
8043275: 8u40 backport: Fix interface initialization for default methods.
Reviewed-by: dcubed, coleenp
author | acorn |
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date | Fri, 24 Oct 2014 12:29:08 -0700 |
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20570:1bd99e1dc168 | 20576:90257dfad6e3 |
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1 /* | |
2 * Copyright (c) 2014, 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 /* | |
26 * @test | |
27 * @bug 8034275 | |
28 * @summary [JDK 8u40] Test interface initialization: only for interfaces declaring default methods | |
29 * @run main TestInterfaceInit | |
30 */ | |
31 import java.util.List; | |
32 import java.util.Arrays; | |
33 import java.util.ArrayList; | |
34 | |
35 public class TestInterfaceInit { | |
36 | |
37 static List<Class<?>> cInitOrder = new ArrayList<>(); | |
38 | |
39 // Declares a default method and initializes | |
40 interface I { | |
41 boolean v = TestInterfaceInit.out(I.class); | |
42 default void x() {} | |
43 } | |
44 | |
45 // Declares a default method and initializes | |
46 interface J extends I { | |
47 boolean v = TestInterfaceInit.out(J.class); | |
48 default void x() {} | |
49 } | |
50 // No default method, does not initialize | |
51 interface JN extends J { | |
52 boolean v = TestInterfaceInit.out(JN.class); | |
53 } | |
54 | |
55 // Declares a default method and initializes | |
56 interface K extends I { | |
57 boolean v = TestInterfaceInit.out(K.class); | |
58 default void x() {} | |
59 } | |
60 | |
61 // No default method, does not initialize | |
62 interface KN extends K { | |
63 boolean v = TestInterfaceInit.out(KN.class); | |
64 } | |
65 | |
66 interface L extends JN, KN { | |
67 boolean v = TestInterfaceInit.out(L.class); | |
68 default void x() {} | |
69 } | |
70 | |
71 public static void main(String[] args) { | |
72 // Trigger initialization | |
73 boolean v = L.v; | |
74 | |
75 List<Class<?>> expectedCInitOrder = Arrays.asList(I.class,J.class,K.class,L.class); | |
76 if (!cInitOrder.equals(expectedCInitOrder)) { | |
77 throw new RuntimeException(String.format("Class initialization array %s not equal to expected array %s", cInitOrder, expectedCInitOrder)); | |
78 } | |
79 } | |
80 | |
81 static boolean out(Class c) { | |
82 System.out.println("#: initializing " + c.getName()); | |
83 cInitOrder.add(c); | |
84 return true; | |
85 } | |
86 | |
87 } |