/*

 * 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

 * @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:.

 *      -XX:-BackgroundCompilation

 *      compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest

 */

package compiler.jvmci.compilerToVM;

import compiler.jvmci.common.CTVMUtilities;

import java.lang.reflect.Executable;

import java.util.ArrayList;

import java.util.List;

import compiler.testlibrary.CompilerUtils;

import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;

import jdk.vm.ci.hotspot.CompilerToVMHelper;

import jdk.test.lib.Asserts;

import sun.hotspot.code.NMethod;

public class HasCompiledCodeForOSRTest {

    public static void main(String[] args) {

        testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);

    }

    public static List<CompileCodeTestCase> createTestCases() {

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

        try {

            Class<?> aClass = DummyClass.class;

            testCases.add(new CompileCodeTestCase(

                    aClass.getMethod("withLoop"), 17));

        } catch (NoSuchMethodException e) {

            throw new Error("TEST BUG : " + e.getMessage(), e);

        }

        return testCases;

    }

    private static void runSanityTest(CompileCodeTestCase testCase) {

        System.out.println(testCase);

        Executable aMethod = testCase.executable;

        HotSpotResolvedJavaMethodImpl method = CTVMUtilities

                .getResolvedMethod(aMethod);

        testCase.deoptimize();

        int[] levels = CompilerUtils.getAvailableCompilationLevels();

        // not compiled

        for (int level : levels) {

            boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(

                    method, testCase.bci, level);

            Asserts.assertFalse(isCompiled, String.format(

                    "%s : unexpected return value for non-compiled method at "

                            + "level %d", testCase, level));

        }

        NMethod nm = testCase.compile();

        if (nm == null) {

            throw new Error(String.format(

                    "TEST BUG : %s : cannot compile method", testCase));

        }

        boolean isCompiled;

        int level = nm.comp_level;

            isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(

                    method, testCase.bci, i);

            Asserts.assertEQ(isCompiled, level == i, String.format(

                    "%s : unexpected return value for compiled method at "

                            + "level %d", testCase, i));

        }

            isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(

                    method, bci, level);

            Asserts.assertFalse(isCompiled, String.format(

                    "%s : unexpected return value for compiled method at "

                            + "level %d with bci = %d ",

                    testCase, level, bci));

        }

    }

}