hotspot/test/runtime/lambda-features/TestInterfaceOrder.java
author acorn
Wed, 22 Oct 2014 15:24:37 -0700
changeset 27402 5c4675ddc00c
child 41705 332239c052cc
permissions -rw-r--r--
8043275: Fix interface initialization for default methods. Summary: Initialize interfaces that declare concrete instance methods. Reviewed-by: kamg, coleenp, psandoz
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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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/*
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 * @test
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 * @bug 8034275
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 * @summary [JDK 8u40] Test interface initialization order
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 * @run main TestInterfaceOrder
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 */
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import java.util.List;
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import java.util.Arrays;
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import java.util.ArrayList;
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public class TestInterfaceOrder {
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  static List<Class<?>> cInitOrder = new ArrayList<>();
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  public static void main(java.lang.String[] args) {
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    //Trigger initialization
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    C c = new C();
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    List<Class<?>> expectedCInitOrder = Arrays.asList(I.class, J.class, A.class, K.class, B.class, L.class, C.class);
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    if (!cInitOrder.equals(expectedCInitOrder)) {
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      throw new RuntimeException(String.format("Class initialization order %s not equal to expected order %s", cInitOrder, expectedCInitOrder));
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    }
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  }
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  interface I {
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    boolean v = TestInterfaceOrder.out(I.class);
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   default void i() {}
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  }
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  interface J extends I {
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    boolean v = TestInterfaceOrder.out(J.class);
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    default void j() {}
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  }
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  static class A implements J {
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    static boolean v = TestInterfaceOrder.out(A.class);
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  }
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  interface K extends I {
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    boolean v = TestInterfaceOrder.out(K.class);
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    default void k() {}
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  }
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  static class B extends A implements K {
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    static boolean v = TestInterfaceOrder.out(B.class);
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  }
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  interface L  {
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    boolean v = TestInterfaceOrder.out(L.class);
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    default void l() {}
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  }
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  static class C extends B implements L {
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    static boolean v = TestInterfaceOrder.out(C.class);
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  }
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   static boolean out(Class c) {
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       System.out.println("#: initializing " + c.getName());
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       cInitOrder.add(c);
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       return true;
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   }
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}