jdk8-mips64-public/hotspot: test/runtime/lambda-features/TestInterfaceInit.java@6cbff0651f1a

     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  */

    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;

    35 public class TestInterfaceInit {

    37    static List<Class<?>> cInitOrder = new ArrayList<>();

    39    // Declares a default method and initializes

    40    interface I {

    41        boolean v = TestInterfaceInit.out(I.class);

    42         default void x() {}

    43    }

    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    }

    55    // Declares a default method and initializes

    56    interface K extends I {

    57        boolean v = TestInterfaceInit.out(K.class);

    58         default void x() {}

    59    }

    61    // No default method, does not initialize

    62    interface KN extends K {

    63        boolean v = TestInterfaceInit.out(KN.class);

    64    }

    66    interface L extends JN, KN {

    67        boolean v = TestInterfaceInit.out(L.class);

    68         default void x() {}

    69    }

    71    public static void main(String[] args) {

    72        // Trigger initialization

    73        boolean v = L.v;

    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    }

    81    static boolean out(Class c) {

    82        System.out.println("#: initializing " + c.getName());

    83        cInitOrder.add(c);

    84        return true;

    85    }

    87 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/runtime/lambda-features/TestInterfaceInit.java@6cbff0651f1a

test/runtime/lambda-features/TestInterfaceInit.java