test/jdk/sun/tools/jstack/BasicJStackTest.java

rev 55749 : 8227868: jinfo and jstack can fail converting UTF8 output to strings
Reviewed-by:

@@ -34,27 +34,31 @@
  * @run main BasicJStackTest
  */
 public class BasicJStackTest {
 
     private static ProcessBuilder processBuilder = new ProcessBuilder();
+        private static String markerName = "markerName" + "\u00e4\u0bb5".repeat(10_000);
 
     public static void main(String[] args) throws Exception {
         testJstackNoArgs();
         testJstack_l();
     }
 
     private static void testJstackNoArgs() throws Exception {
         OutputAnalyzer output = jstack();
         output.shouldHaveExitValue(0);
+        output.shouldContain(markerName);
     }
 
     private static void testJstack_l() throws Exception {
         OutputAnalyzer output = jstack("-l");
         output.shouldHaveExitValue(0);
+        output.shouldContain(markerName);
     }
 
     private static OutputAnalyzer jstack(String... toolArgs) throws Exception {
+        Thread.currentThread().setName(markerName);
         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstack");
         launcher.addVMArg("-XX:+UsePerfData");
         if (toolArgs != null) {
             for (String toolArg : toolArgs) {
                 launcher.addToolArg(toolArg);