/*

 * Copyright (c) 2011, 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

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 * questions.

 *

 */

/**

 * @test

 * @bug 7103261

 * @summary crash with jittester on sparc

 *

 * @run main Test7103261

 */

// exercise implicit null checking in the compiler for various field types

public class Test7103261 {

    static Test7103261 null_value;

    static Test7103261 nonnull_value = new Test7103261();

    static Test7103261 nonnull_value2 = new Test7103261();

    long l;

    int i;

    float f;

    double d;

    byte b;

    char c;

    short s;

    boolean z;

    public static void main(String[] args) {

        constantStore();

        valueTest(false);

        valueTest(true);

    }

    static void constantStore() {

        for (int field = 0; field < 8; field++) {

            try {

                Test7103261 o = nonnull_value;

                for (int i = 0; i < 100000; i++) {

                    switch (field) {

                    case 0: o.l = 0; break;

                    case 1: o.i = 0; break;

                    case 2: o.f = 0; break;

                    case 3: o.d = 0; break;

                    case 4: o.b = 0; break;

                    case 5: o.c = 0; break;

                    case 6: o.s = 0; break;

                    case 7: o.z = false; break;

                    default: throw new InternalError();

                    }

                    if (i == 90000) {

                        // hide nullness from optimizer

                        o = null_value;

                    }

                }

            } catch (NullPointerException npe) {

            }

        }

    }

    static void valueTest(boolean store) {

        for (int field = 0; field < 8; field++) {

            try {

                Test7103261 o  = nonnull_value;

                Test7103261 o2 = nonnull_value2;

                for (int i = 0; i < 100000; i++) {

                    switch (field) {

                    case 0: o.l = o2.l; break;

                    case 1: o.i = o2.i; break;

                    case 2: o.f = o2.f; break;

                    case 3: o.d = o2.d; break;

                    case 4: o.b = o2.b; break;

                    case 5: o.c = o2.c; break;

                    case 6: o.s = o2.s; break;

                    case 7: o.z = o2.z; break;

                    default: throw new InternalError();

                    }

                    if (i == 90000) {

                        // hide nullness from optimizer

                        if (store)

                            o = null_value;

                        else

                            o2 = null_value;

                    }

                }

            } catch (NullPointerException npe) {

            }

        }

    }

}