Java example source code file (StringAppendAccessMethodOnLHS.java)

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Java - Java tags/keywords

exception, inner, string, stringappendaccessmethodonlhs

The StringAppendAccessMethodOnLHS.java Java example source code

/*
 * Copyright (c) 2000, 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 4318526
 * @author iag, maddox
 * @summary Verify that the compiler does not crash if a method in an inner
 * class appends a character to a string declared private in the enclosing
 * class.  Execute the example just for good measure.
 *
 * @run compile StringAppendAccessMethodOnLHS.java
 * @run main StringAppendAccessMethodOnLHS
 */

public class StringAppendAccessMethodOnLHS {

    // s must be declared private.

    private String s = "";

    class Inner {
        void m() {
            s += "a";
            s += 'a';  // this is the case that failed in 4318526
        }
    }

    void test () {
        Inner o = new Inner();
        o.m();
    }

    public static void main(String[] args) throws Exception {
        StringAppendAccessMethodOnLHS o = new StringAppendAccessMethodOnLHS();
        o.test();
        if (!o.s.equals("aa")) throw new Exception();
    }

}