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annotate test/runtime/lambda-features/TestInterfaceInit.java @ 21376:739d9d9bd2fc

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Allow closing of invocation plugin registry to prevent future modifications
author Christian Wimmer <christian.wimmer@oracle.com>
date Thu, 14 May 2015 16:00:20 -0700
parents 90257dfad6e3
children
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /*
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26 * @test
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27 * @bug 8034275
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28 * @summary [JDK 8u40] Test interface initialization: only for interfaces declaring default methods
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29 * @run main TestInterfaceInit
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30 */
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31 import java.util.List;
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32 import java.util.Arrays;
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33 import java.util.ArrayList;
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34
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35 public class TestInterfaceInit {
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36
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37 static List<Class<?>> cInitOrder = new ArrayList<>();
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38
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39 // Declares a default method and initializes
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40 interface I {
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41 boolean v = TestInterfaceInit.out(I.class);
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42 default void x() {}
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43 }
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44
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45 // Declares a default method and initializes
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46 interface J extends I {
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47 boolean v = TestInterfaceInit.out(J.class);
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48 default void x() {}
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49 }
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50 // No default method, does not initialize
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51 interface JN extends J {
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52 boolean v = TestInterfaceInit.out(JN.class);
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53 }
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54
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55 // Declares a default method and initializes
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56 interface K extends I {
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57 boolean v = TestInterfaceInit.out(K.class);
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58 default void x() {}
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59 }
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60
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61 // No default method, does not initialize
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62 interface KN extends K {
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63 boolean v = TestInterfaceInit.out(KN.class);
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64 }
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65
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66 interface L extends JN, KN {
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67 boolean v = TestInterfaceInit.out(L.class);
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68 default void x() {}
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69 }
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70
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71 public static void main(String[] args) {
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72 // Trigger initialization
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73 boolean v = L.v;
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74
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75 List<Class<?>> expectedCInitOrder = Arrays.asList(I.class,J.class,K.class,L.class);
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76 if (!cInitOrder.equals(expectedCInitOrder)) {
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77 throw new RuntimeException(String.format("Class initialization array %s not equal to expected array %s", cInitOrder, expectedCInitOrder));
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78 }
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79 }
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80
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81 static boolean out(Class c) {
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82 System.out.println("#: initializing " + c.getName());
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83 cInitOrder.add(c);
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84 return true;
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85 }
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86
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87 }