/*

 * 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 8150102 8150514 8150534

 * @summary C1 crashes in Canonicalizer::do_ArrayLength() after fix for JDK-8150102

 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation CanonicalizeArrayLength

 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation -XX:+PatchALot CanonicalizeArrayLength

 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation -XX:ScavengeRootsInCode=0 CanonicalizeArrayLength

 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation -XX:ScavengeRootsInCode=1 CanonicalizeArrayLength

 */

public class CanonicalizeArrayLength {

    int[] arr = new int[42];

    int[] arrNull = null;

    final int[] finalArr = new int[42];

    final int[] finalArrNull = null;

    static int[] staticArr = new int[42];

    static int[] staticArrNull = null;

    static final int[] staticFinalArr = new int[42];

    static final int[] staticFinalArrNull = null;

    public static void main(String... args) {

        CanonicalizeArrayLength t = new CanonicalizeArrayLength();

        for (int i = 0; i < 20000; i++) {

            if (t.testLocal() != 42)

                throw new IllegalStateException();

            if (t.testLocalNull() != 42)

                throw new IllegalStateException();

            if (t.testField() != 42)

                throw new IllegalStateException();

            if (t.testFieldNull() != 42)

                throw new IllegalStateException();

            if (t.testFinalField() != 42)

                throw new IllegalStateException();

            if (t.testFinalFieldNull() != 42)

                throw new IllegalStateException();

            if (t.testStaticField() != 42)

                throw new IllegalStateException();

            if (t.testStaticFieldNull() != 42)

                throw new IllegalStateException();

            if (t.testStaticFinalField() != 42)

                throw new IllegalStateException();

            if (t.testStaticFinalFieldNull() != 42)

                throw new IllegalStateException();

        }

    }

    int testField() {

        try {

            return arr.length;

        } catch (Throwable t) {

            return -1;

        }

    }

    int testFieldNull() {

        try {

            return arrNull.length;

        } catch (Throwable t) {

            return 42;

        }

    }

    int testFinalField() {

        try {

            return finalArr.length;

        } catch (Throwable t) {

            return -1;

        }

    }

    int testFinalFieldNull() {

        try {

            return finalArrNull.length;

        } catch (Throwable t) {

            return 42;

        }

    }

    int testStaticField() {

        try {

            return staticArr.length;

        } catch (Throwable t) {

            return -1;

        }

    }

    int testStaticFieldNull() {

        try {

            return staticArrNull.length;

        } catch (Throwable t) {

            return 42;

        }

    }

    int testStaticFinalField() {

        try {

            return staticFinalArr.length;

        } catch (Throwable t) {

            return -1;

        }

    }

    int testStaticFinalFieldNull() {

        try {

            return staticFinalArrNull.length;

        } catch (Throwable t) {

            return 42;

        }

    }

    int testLocal() {

        int[] arr = new int[42];

        try {

            return arr.length;

        } catch (Throwable t) {

            return -1;

        }

    }

    int testLocalNull() {

        int[] arrNull = null;

        try {

            return arrNull.length;

        } catch (Throwable t) {

            return 42;

        }

    }

}