/*

 * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"

 * @library /testlibrary /../../test/lib /

 * @compile ../common/CompilerToVMHelper.java

 * @build sun.hotspot.WhiteBox

 *        compiler.jvmci.compilerToVM.InvalidateInstalledCodeTest

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 *                              jdk.vm.ci.hotspot.CompilerToVMHelper

 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI

 *      -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.

 *      compiler.jvmci.compilerToVM.InvalidateInstalledCodeTest

 */

package compiler.jvmci.compilerToVM;

import jdk.vm.ci.code.InstalledCode;

import jdk.vm.ci.hotspot.CompilerToVMHelper;

import jdk.test.lib.Asserts;

import sun.hotspot.code.NMethod;

import java.util.List;

public class InvalidateInstalledCodeTest {

    public static void main(String[] args) {

        InvalidateInstalledCodeTest test

                = new InvalidateInstalledCodeTest();

        List<CompileCodeTestCase> testCases

                = CompileCodeTestCase.generate(/* bci = */ 0);

        testCases.addAll(CompileCodeTestCase.generate(/* bci = */ -1));

        testCases.forEach(test::check);

        test.checkNull();

    }

    private void checkNull() {

        InstalledCode installedCode = new InstalledCode("<null>");

        installedCode.setAddress(0);

        CompilerToVMHelper.invalidateInstalledCode(installedCode);

    }

    private void check(CompileCodeTestCase testCase) {

        System.out.println(testCase);

        // to have a clean state

        NMethod beforeInvalidation = testCase.deoptimizeAndCompile();

        if (beforeInvalidation == null) {

            throw new Error("method is not compiled, testCase " + testCase);

        }

        // run twice to verify how it works if method is already invalidated

        for (int i = 0; i < 2; ++i) {

            InstalledCode installedCode = new InstalledCode(

                    testCase.executable.getName());

            installedCode.setAddress(beforeInvalidation.address);

            CompilerToVMHelper.invalidateInstalledCode(installedCode);

            NMethod afterInvalidation = testCase.toNMethod();

            if (afterInvalidation != null) {

                System.err.println("before: " + beforeInvalidation);

                System.err.println("after: " + afterInvalidation);

                throw new AssertionError(testCase

                        + " : method hasn't been invalidated, i = " + i);

            }

            Asserts.assertFalse(installedCode.isValid(), testCase

                            + " : code is valid after invalidation, i = " + i);

        }

    }

}