test/hotspot/jtreg/serviceability/attach/AttachNegativePidTest.java

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/*
 * @test Verifies that negative pids are correctly rejected
 * @bug 8229957
 * @requires os.family != "windows"
 * @library /test/lib
 * @modules jdk.attach/com.sun.tools.attach
 * @run driver AttachNegativePidTest
 */

import java.io.IOException;

import com.sun.tools.attach.VirtualMachine;
import com.sun.tools.attach.AttachNotSupportedException;

import jdk.test.lib.apps.LingeredApp;

public class AttachNegativePidTest {

    public static void main(String... args) throws Exception {
        LingeredApp app = null;
        try {
            app = LingeredApp.startApp();
            String strPID = Long.toString(-1 * app.getPid());
            try {
                VirtualMachine.attach(strPID);
            } catch (AttachNotSupportedException anse) {
                // Passed
                return;
            }
            throw new RuntimeException("There is no expected AttachNotSupportedException for " + strPID);
        } finally {
            LingeredApp.stopApp(app);
        }
    }

}