CodeHeapBeanPresenceTest.java

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/**
 * @test CodeHeapBeanPresenceTest
 * @summary verify CodeHeap bean presence
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @library /test/lib
 *
 * @build sun.hotspot.WhiteBox
 * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *     -XX:+WhiteBoxAPI
 *     -XX:-SegmentedCodeCache
 *     compiler.codecache.jmx.CodeHeapBeanPresenceTest
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *     -XX:+WhiteBoxAPI
 *     -XX:+SegmentedCodeCache
 *     compiler.codecache.jmx.CodeHeapBeanPresenceTest
 */

package compiler.codecache.jmx;

import jdk.test.lib.Asserts;
import sun.hotspot.code.BlobType;

import java.util.EnumSet;

public class CodeHeapBeanPresenceTest {

    public static void main(String args[]) {
        EnumSet<BlobType> shouldBeAvailable = BlobType.getAvailable();
        EnumSet<BlobType> shouldNotBeAvailable
                = EnumSet.complementOf(shouldBeAvailable);
        for (BlobType btype : shouldBeAvailable) {
            Asserts.assertNotNull(btype.getMemoryPool(),
                    "Can't find memory pool for " + btype.name());
        }
        for (BlobType btype : shouldNotBeAvailable) {
            Asserts.assertNull(btype.getMemoryPool(),
                    "Memory pool unexpected for " + btype.name());
        }
    }
}