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

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

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

/**
 * @test
 * @summary Test clhsdb where command
 * @requires vm.hasSA
 * @library /test/lib
 * @run main/othervm ClhsdbThreadContext
 */

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

        LingeredApp theApp = null;
        try {
            ClhsdbLauncher test = new ClhsdbLauncher();
            theApp = LingeredApp.startApp();
            System.out.println("Started LingeredApp with pid " + theApp.getPid());

            // Run threadcontext on all threads
            String cmdStr = "threadcontext -a";
            List<String> cmds = List.of(cmdStr);
            Map<String, List<String>> expStrMap = new HashMap<>();
            expStrMap.put(cmdStr, List.of(
                    "Thread \"Common-Cleaner\"",
                    "Thread \"Service Thread\"",
                    "Thread \"Finalizer\"",
                    "Thread \"SteadyStateThread\"",
                    "In java stack for thread \"SteadyStateThread\""));
            String cmdOutput = test.run(theApp.getPid(), cmds, expStrMap, null);

            // Run threadcontext on all threads in verbose mode
            cmdStr = "threadcontext -v -a";
            cmds = List.of(cmdStr);
            expStrMap = new HashMap<>();
            expStrMap.put(cmdStr, List.of(
                    "Thread \"Common-Cleaner\"",
                    "Thread \"Service Thread\"",
                    "Thread \"Finalizer\"",
                    "Thread \"SteadyStateThread\""));
            Map<String, List<String>> unexpStrMap = new HashMap<>();
            unexpStrMap.put(cmdStr, List.of(
                    "In java stack for thread \"SteadyStateThread\""));
            test.run(theApp.getPid(), cmds, expStrMap, unexpStrMap);

            // Look for a line like the following and parse the threadID out of it.
            //    Thread "SteadyStateThread" id=18010 Address=0x000014bf103eaf50
            String[] parts = cmdOutput.split("Thread \"SteadyStateThread\" id=");
            String[] tokens = parts[1].split(" ");
            String threadID = tokens[0];

            // Run threadcontext on the SteadyStateThread in verbose mode
            cmdStr = "threadcontext -v " + threadID;
            cmds = List.of(cmdStr);
            expStrMap = new HashMap<>();
            unexpStrMap = new HashMap<>();
            if (Platform.isWindows()) {
                // On windows thread IDs are not guaranteed to be the same each time you attach,
                // so the ID we gleaned above for SteadyStateThread may not actually be for
                // SteadyStateThread when we attach for the next threadcontext command, so we
                // choose not to check the result on Windows.
            } else {
                expStrMap.put(cmdStr, List.of(
                        "Thread \"SteadyStateThread\"",
                        "java.lang.Thread.State: BLOCKED",
                        "In java stack \\[0x\\p{XDigit}+,0x\\p{XDigit}+,0x\\p{XDigit}+\\] for thread"));
                unexpStrMap.put(cmdStr, List.of(
                        "Thread \"Common-Cleaner\"",
                        "Thread \"Service Thread\"",
                        "Thread \"Finalizer\""));
            }
            test.run(theApp.getPid(), cmds, expStrMap, unexpStrMap);

            // Run threadcontext on all threads in verbose mode

        } catch (SkippedException se) {
            throw se;
        } catch (Exception ex) {
            throw new RuntimeException("Test ERROR " + ex, ex);
        } finally {
            LingeredApp.stopApp(theApp);
        }

        System.out.println("Test PASSED");
    }
}