BooleanTest.java

/*
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 * 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 BooleanTest
 * @bug 8028756
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.compiler
 *          java.management/sun.management
 *          jdk.internal.jvmstat/sun.jvmstat.monitor
 * @build sun.hotspot.WhiteBox
 * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI BooleanTest
 * @summary testing of WB::set/getBooleanVMFlag()
 * @author [email protected]
 */

import sun.hotspot.WhiteBox;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import sun.management.*;
import com.sun.management.*;

public class BooleanTest {
    private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
    private static final Boolean[] TESTS = {true, false, true, true, false};
    private static final String TEST_NAME = "BooleanTest";
    private static final String FLAG_NAME = "PrintCompilation";
    private static final String FLAG_DEBUG_NAME = "SafepointALot";
    private static final String METHOD = TEST_NAME + "::method";
    private static final String METHOD1 = METHOD + "1";
    private static final String METHOD2 = METHOD + "2";

    public static void main(String[] args) throws Exception {
        if (args.length == 0) {
            VmFlagTest.runTest(FLAG_NAME, TESTS,
                VmFlagTest.WHITE_BOX::setBooleanVMFlag,
                VmFlagTest.WHITE_BOX::getBooleanVMFlag);
            testFunctional(false);
            testFunctional(true);
            VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getBooleanVMFlag);
        } else {
            boolean value = Boolean.valueOf(args[0]);
            method1();
            VmFlagTest.WHITE_BOX.setBooleanVMFlag(FLAG_NAME, value);
            method2();
        }
    }

    private static void testFunctional(boolean value) throws Exception {
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
            "-Xbootclasspath/a:.",
            "-XX:+UnlockDiagnosticVMOptions",
            "-XX:+WhiteBoxAPI",
            "-Xcomp",
            "-XX:CompileCommand=compileonly," + METHOD + "*",
            "-XX:" + (value ? "-" : "+") + FLAG_NAME,
            TEST_NAME,
            "" + value);
        OutputAnalyzer out = new OutputAnalyzer(pb.start());
        if (value) {
            out.shouldNotContain(METHOD1);
            out.shouldContain(METHOD2);
        } else {
            out.shouldContain(METHOD1);
            out.shouldNotContain(METHOD2);
        }
    }

    private static void method1() { }
    private static void method2() { }
}