/*
 * Copyright (c) 2014, 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.
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/*
 * @test IntxTest
 * @bug 8038756
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 * @modules java.management/sun.management
 * @build sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xint -XX:-ProfileInterpreter IntxTest
 * @summary testing of WB::set/getIntxVMFlag()
 * @author igor.ignatyev@oracle.com
 */
import jdk.test.lib.Platform;
public class IntxTest {
    private static final String FLAG_NAME = "OnStackReplacePercentage";
    private static final String FLAG_DEBUG_NAME = "InlineFrequencyCount";
    private static final long COMPILE_THRESHOLD = VmFlagTest.WHITE_BOX.getIntxVMFlag("CompileThreshold");
    private static final Long[] TESTS = {0L, 100L, (long)(Integer.MAX_VALUE>>3)*100L};

    public static void main(String[] args) throws Exception {
        find_and_set_max_osrp();
        VmFlagTest.runTest(FLAG_NAME, TESTS,
            VmFlagTest.WHITE_BOX::setIntxVMFlag,
            VmFlagTest.WHITE_BOX::getIntxVMFlag);
        VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getIntxVMFlag);
    }

    static void find_and_set_max_osrp() {
        long max_percentage_limit = (long)(Integer.MAX_VALUE>>3)*100L;
        max_percentage_limit = COMPILE_THRESHOLD == 0  ? max_percentage_limit : max_percentage_limit/COMPILE_THRESHOLD;
        if (Platform.is32bit() && max_percentage_limit > Integer.MAX_VALUE) {
          max_percentage_limit = Integer.MAX_VALUE;
        }
        TESTS[2] = max_percentage_limit;
    }
}