Java example source code file (Orig.java)

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generictest

The Orig.java Java example source code

/*
 * Copyright (c) 2005, 2007, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * @test
 * @bug     6227936
 * @summary Wrong type of inherited method using specialized type parameter
 * @compile/fail Orig.java
 */

class GenericTest {
    static class A<T extends B> {
        T myB;
        A(T myB) {this.myB = myB;}
        T getB() {return myB;}
    }
    static class B<T extends C> {
        T myC;
        B(T myB) {this.myC = myC;}
        T getC() {return myC;}
    }
    static class C {
        C() {}
    }

    static class A1<T extends B1> extends A {
        A1(T myB) {super(myB);}
        public void testMethod() {
            // This next line fails, but should work
            getB().getC().someMethod();
            ((C1)getB().getC()).someMethod();
        }
    }
    static class B1<T extends C1> extends B {
        B1(T myC) {super(myC);}
    }
    static class C1 extends C {
        public void someMethod() {}
    }
}