test/tools/javac/DefiniteAssignment/DUSwitch.java

/*
 * Copyright 2001-2002 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug 4452153
 * @summary Check correct handling of DU in switch statements
 * @author Neal Gafter (gafter)
 *
 * @run compile/fail DUSwitch.java
 */

class DUSwitch {
    void foo() {
        int c = 6;
        final int a1;

        switch (c%(a1=4)) {
        case 1:
            c+=1;
            break;
        case 2:
            c+=a1;
            System.out.println("case2 "+c);
        default:
            a1=4;
            c+=a1;
            System.out.println("default "+c);
            break;
        }
    }
}