19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.Arrays;
  25 
  26 import jdk.test.lib.process.OutputAnalyzer;
  27 import jdk.test.lib.process.ProcessTools;
  28 import jdk.test.lib.JDKToolLauncher;
  29 
  30 /*
  31  * @test
  32  * @summary Unit test for jstack utility
  33  * @library /test/lib
  34  * @run main BasicJStackTest
  35  */
  36 public class BasicJStackTest {
  37 
  38     private static ProcessBuilder processBuilder = new ProcessBuilder();

  39 
  40     public static void main(String[] args) throws Exception {
  41         testJstackNoArgs();
  42         testJstack_l();
  43     }
  44 
  45     private static void testJstackNoArgs() throws Exception {
  46         OutputAnalyzer output = jstack();
  47         output.shouldHaveExitValue(0);

  48     }
  49 
  50     private static void testJstack_l() throws Exception {
  51         OutputAnalyzer output = jstack("-l");
  52         output.shouldHaveExitValue(0);

  53     }
  54 
  55     private static OutputAnalyzer jstack(String... toolArgs) throws Exception {

  56         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstack");
  57         launcher.addVMArg("-XX:+UsePerfData");
  58         if (toolArgs != null) {
  59             for (String toolArg : toolArgs) {
  60                 launcher.addToolArg(toolArg);
  61             }
  62         }
  63         launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));
  64 
  65         processBuilder.command(launcher.getCommand());
  66         System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));
  67         OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
  68         System.out.println(output.getOutput());
  69 
  70         return output;
  71     }
  72 
  73 }

  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.Arrays;
  25 
  26 import jdk.test.lib.process.OutputAnalyzer;
  27 import jdk.test.lib.process.ProcessTools;
  28 import jdk.test.lib.JDKToolLauncher;
  29 
  30 /*
  31  * @test
  32  * @summary Unit test for jstack utility
  33  * @library /test/lib
  34  * @run main BasicJStackTest
  35  */
  36 public class BasicJStackTest {
  37 
  38     private static ProcessBuilder processBuilder = new ProcessBuilder();
  39         private static String markerName = "markerName" + "\u00e4\u0bb5".repeat(10_000);
  40 
  41     public static void main(String[] args) throws Exception {
  42         testJstackNoArgs();
  43         testJstack_l();
  44     }
  45 
  46     private static void testJstackNoArgs() throws Exception {
  47         OutputAnalyzer output = jstack();
  48         output.shouldHaveExitValue(0);
  49         output.shouldContain(markerName);
  50     }
  51 
  52     private static void testJstack_l() throws Exception {
  53         OutputAnalyzer output = jstack("-l");
  54         output.shouldHaveExitValue(0);
  55         output.shouldContain(markerName);
  56     }
  57 
  58     private static OutputAnalyzer jstack(String... toolArgs) throws Exception {
  59         Thread.currentThread().setName(markerName);
  60         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstack");
  61         launcher.addVMArg("-XX:+UsePerfData");
  62         if (toolArgs != null) {
  63             for (String toolArg : toolArgs) {
  64                 launcher.addToolArg(toolArg);
  65             }
  66         }
  67         launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));
  68 
  69         processBuilder.command(launcher.getCommand());
  70         System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));
  71         OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
  72         System.out.println(output.getOutput());
  73 
  74         return output;
  75     }
  76 
  77 }