langtools/test/tools/javac/SwitchExitStateTest.java
author sadayapalam
Wed, 14 Sep 2016 20:00:20 +0530
changeset 41029 869e95ade880
permissions -rw-r--r--
8160699: java.lang.VerifyError: Inconsistent stackmap frames at branch target Summary: Ensure out of scope locals are not treated as being alive Reviewed-by: mcimadamore

/*
 * Copyright (c) 2016, 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 8160699
 * @summary Verify that having finished executing a switch statement live locals are exactly the same as it was upon entry of the switch.
 * @run main SwitchExitStateTest
 */

public class SwitchExitStateTest {
    public static void main(String[] args) throws Exception {
        switch (0) {
        case 0:
            String a = "";
            break;
        default:
            throw new Exception("Unknown ");
        }

        switch (0) {
        case 0:
            String b = "";
            break;
        default:
            throw new Exception("Unknown ");
        }
    }
}