44             return;
  45         }
  46 
  47         String[] concurrent = new String[] {
  48                 "Pause Init Mark",
  49                 "Pause Final Mark",
  50                 "Pause Init Update Refs",
  51                 "Pause Final Update Refs",
  52                 "Pause Init Traversal",
  53                 "Pause Final Traversal",
  54         };
  55 
  56         String[] opts = new String[] {
  57                 "",
  58                 "-XX:-ExplicitGCInvokesConcurrent",
  59                 "-XX:+ExplicitGCInvokesConcurrent"
  60         };
  61 
  62         for (String opt : opts) {
  63             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

  64                     "-XX:+UnlockExperimentalVMOptions",
  65                     "-XX:+UseShenandoahGC",
  66                     "-Xlog:gc",
  67                     "-XX:+UnlockDiagnosticVMOptions",
  68                     opt,
  69                     "-XX:ShenandoahGCHeuristics=passive",
  70                     TestExplicitGCNoConcurrent.class.getName(),
  71                     "test");
  72             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  73             for (String p : concurrent) {
  74                 output.shouldNotContain(p);
  75             }
  76         }
  77     }
  78 }

  44             return;
  45         }
  46 
  47         String[] concurrent = new String[] {
  48                 "Pause Init Mark",
  49                 "Pause Final Mark",
  50                 "Pause Init Update Refs",
  51                 "Pause Final Update Refs",
  52                 "Pause Init Traversal",
  53                 "Pause Final Traversal",
  54         };
  55 
  56         String[] opts = new String[] {
  57                 "",
  58                 "-XX:-ExplicitGCInvokesConcurrent",
  59                 "-XX:+ExplicitGCInvokesConcurrent"
  60         };
  61 
  62         for (String opt : opts) {
  63             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  64                     "-Xmx128m",
  65                     "-XX:+UnlockExperimentalVMOptions",
  66                     "-XX:+UseShenandoahGC",
  67                     "-Xlog:gc",
  68                     "-XX:+UnlockDiagnosticVMOptions",
  69                     opt,
  70                     "-XX:ShenandoahGCHeuristics=passive",
  71                     TestExplicitGCNoConcurrent.class.getName(),
  72                     "test");
  73             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  74             for (String p : concurrent) {
  75                 output.shouldNotContain(p);
  76             }
  77         }
  78     }
  79 }