test/hotspot/jtreg/serviceability/sa/ClhsdbAttachDifferentJVMs.java

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import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jdk.test.lib.apps.LingeredApp;
import jtreg.SkippedException;

/**
 * @test
 * @bug 8314679
 * @summary Test clhsdb attach, detach, and then attach to different JVM
 * @requires vm.hasSA
 * @library /test/lib
 * @run main/othervm ClhsdbAttachDifferentJVMs
 */

public class ClhsdbAttachDifferentJVMs {

    public static void main(String[] args) throws Exception {
        System.out.println("Starting ClhsdbAttach test");

        LingeredApp theApp1 = null;
        LingeredApp theApp2 = null;
        try {
            ClhsdbLauncher test = new ClhsdbLauncher();
            theApp1 = LingeredApp.startApp();
            System.out.println("Started LingeredApp with pid " + theApp1.getPid());
            theApp2 = LingeredApp.startApp();
            System.out.println("Started LingeredApp with pid " + theApp2.getPid());
            String attach1 = "attach " + theApp1.getPid();
            String attach2 = "attach " + theApp2.getPid();

            List<String> cmds = List.of(
                    "where",
                    attach1,
                    "threads",
                    "detach",
                    attach2,
                    "jstack");

            Map<String, List<String>> expStrMap = new HashMap<>();
            expStrMap.put("where", List.of(
                    "Command not valid until attached to a VM"));
            expStrMap.put(attach1, List.of(
                    "Attaching to process " + theApp1.getPid()));
            expStrMap.put("threads", List.of(
                    "Reference Handler"));
            expStrMap.put(attach2, List.of(
                    "Attaching to process " + theApp2.getPid()));
            expStrMap.put("jstack", List.of(
                    "Reference Handler"));

            Map<String, List<String>> unexpStrMap = new HashMap<>();
            unexpStrMap.put("jstack", List.of(
                    "WARNING"));

            test.run(-1, cmds, expStrMap, unexpStrMap);
        } catch (SkippedException se) {
            throw se;
        } catch (Exception ex) {
            throw new RuntimeException("Test ERROR " + ex, ex);
        } finally {
            LingeredApp.stopApp(theApp1);
            LingeredApp.stopApp(theApp2);
        }
        System.out.println("Test PASSED");
    }
}