/*

 * Copyright (c) 2017, 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 8170455

 * @summary C2: Access to [].clone from interfaces fails.

 * @library /test/lib /

 *

 * @requires vm.flavor == "server" & !vm.emulatedClient

 * @build sun.hotspot.WhiteBox

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xcomp -Xbatch -Xbootclasspath/a:.  -XX:-TieredCompilation  -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

 *                   -XX:CompileCommand=compileonly,*TestDefaultMethodArrayCloneDeoptC2Interface::test

 *                   compiler.arraycopy.TestDefaultMethodArrayCloneDeoptC2

 */

package compiler.arraycopy;

import sun.hotspot.WhiteBox;

import java.lang.reflect.Method;

import compiler.whitebox.CompilerWhiteBoxTest;

interface TestDefaultMethodArrayCloneDeoptC2Interface {

    default int[] test(int[] arr) {

        return arr.clone();

    }

    default TDMACDC2InterfaceTypeTest[] test(TDMACDC2InterfaceTypeTest[] arr) {

        return arr.clone();

    }

    default TDMACDC2ClassTypeTest[] test(TDMACDC2ClassTypeTest[] arr) {

        return arr.clone();

    }

}

public class TestDefaultMethodArrayCloneDeoptC2 implements TestDefaultMethodArrayCloneDeoptC2Interface {

    private static final WhiteBox WB = WhiteBox.getWhiteBox();

    public static TestDefaultMethodArrayCloneDeoptC2 a = new TestDefaultMethodArrayCloneDeoptC2();

    public static void main(String[] args) throws Exception {

        testPrimitiveArr();

        testIntfArr();

        testClassArr();

    }

    public static void testPrimitiveArr() throws Exception {

        Method m = TestDefaultMethodArrayCloneDeoptC2Interface.class.getMethod("test", int[].class);

        a.test(new int[1]); // Compiled

        a.test(new int[1]);

        if (!WB.isMethodCompiled(m)) {

            WB.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);

        }

        a.test(new int[1]);

        if (!WB.isMethodCompiled(m)) {

            throw new Exception("Method should be compiled");

        }

    }

    public static void testIntfArr() throws Exception {

        Method m = TestDefaultMethodArrayCloneDeoptC2Interface.class.getMethod("test", TDMACDC2InterfaceTypeTest[].class);

        a.test(new TDMACDC2InterfaceTypeTest[1]); // Compiled, Decompile unloaded

        a.test(new TDMACDC2InterfaceTypeTest[1]); // Compiled

        a.test(new TDMACDC2InterfaceTypeTest[1]);

        if (!WB.isMethodCompiled(m)) {

            WB.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);

        }

        a.test(new TDMACDC2InterfaceTypeTest[1]);

        if (!WB.isMethodCompiled(m)) {

            throw new Exception("Method should be compiled");

        }

    }

    public static void testClassArr() throws Exception {

        Method m = TestDefaultMethodArrayCloneDeoptC2Interface.class.getMethod("test", TDMACDC2ClassTypeTest[].class);

        a.test(new TDMACDC2ClassTypeTest[1]); // Compiled, Decompile unloaded

        a.test(new TDMACDC2ClassTypeTest[1]); // Compiled

        a.test(new TDMACDC2ClassTypeTest[1]);

        if (!WB.isMethodCompiled(m)) {

            WB.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);

        }

        a.test(new TDMACDC2ClassTypeTest[1]);

        if (!WB.isMethodCompiled(m)) {

            throw new Exception("Method should be compiled");

        }

    }

}

interface TDMACDC2InterfaceTypeTest {

}

class TDMACDC2ClassTypeTest {

}