/*

 * Copyright (c) 2015, 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 8136421

 * @requires vm.jvmci

 * @library /test/lib /

 * @library ../common/patches

 * @modules java.base/jdk.internal.misc

 * @modules java.base/jdk.internal.org.objectweb.asm

 *          java.base/jdk.internal.org.objectweb.asm.tree

 *          jdk.internal.vm.ci/jdk.vm.ci.hotspot

 *          jdk.internal.vm.ci/jdk.vm.ci.code

 *

 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 *                                sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:.

 *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

 *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:+UseJVMCICompiler

 *                   -Djvmci.Compiler=null

 *                   compiler.jvmci.compilerToVM.IsCompilableTest

 * @run main/othervm -Xbootclasspath/a:.

 *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

 *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler

 *                   -Djvmci.Compiler=null

 *                   compiler.jvmci.compilerToVM.IsCompilableTest

 */

package compiler.jvmci.compilerToVM;

import compiler.jvmci.common.CTVMUtilities;

import jdk.test.lib.Asserts;

import jdk.vm.ci.hotspot.CompilerToVMHelper;

import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;

import sun.hotspot.WhiteBox;

import java.lang.reflect.Executable;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

public class IsCompilableTest {

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

    public static void main(String[] args) {

        List<Executable> testCases = createTestCases();

        testCases.forEach(IsCompilableTest::runSanityTest);

    }

    private static void runSanityTest(Executable aMethod) {

        HotSpotResolvedJavaMethod method = CTVMUtilities

                .getResolvedMethod(aMethod);

        boolean isCompilable = CompilerToVMHelper.isCompilable(method);

        boolean expected = WB.isMethodCompilable(aMethod);

        Asserts.assertEQ(isCompilable, expected, "Unexpected initial " +

                "value of property 'compilable'");

        WB.makeMethodNotCompilable(aMethod);

        isCompilable = CompilerToVMHelper.isCompilable(method);

        Asserts.assertFalse(isCompilable, aMethod + "Unexpected value of " +

            "property 'isCompilable' after setting 'compilable' to false");

    }

    private static List<Executable> createTestCases() {

        List<Executable> testCases = new ArrayList<>();

        Class<?> aClass = DummyClass.class;

        testCases.addAll(Arrays.asList(aClass.getDeclaredMethods()));

        testCases.addAll(Arrays.asList(aClass.getDeclaredConstructors()));

        return testCases;

    }

}