test/jtreg-ext/requires/VMProps.java

rev 2327 : 8170228: register closed @requires property setter
Reviewed-by:

*** 23,32 ****
--- 23,33 ----
  package requires;
  
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Paths;
+ import java.nio.file.StandardOpenOption;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.Callable;
*** 60,70 ****
          map.put("vm.flightRecorder", vmFlightRecorder());
          map.put("vm.simpleArch", vmArch());
          map.put("vm.debug", vmDebug());
          vmGC(map); // vm.gc.X = true/false
  
!         dump(map);
          return map;
      }
  
      /**
       * @return vm.simpleArch value of "os.simpleArch" property of tested JDK.
--- 61,71 ----
          map.put("vm.flightRecorder", vmFlightRecorder());
          map.put("vm.simpleArch", vmArch());
          map.put("vm.debug", vmDebug());
          vmGC(map); // vm.gc.X = true/false
  
!         VMProps.dump(map);
          return map;
      }
  
      /**
       * @return vm.simpleArch value of "os.simpleArch" property of tested JDK.
*** 178,196 ****
       * This functionality could be helpful to know context in the real
       * execution.
       *
       * @param map
       */
!     protected void dump(Map<String, String> map) {
          String dumpFileName = System.getProperty("vmprops.dump");
          if (dumpFileName == null) {
              return;
          }
          List<String> lines = new ArrayList<>();
          map.forEach((k, v) -> lines.add(k + ":" + v));
          try {
!             Files.write(Paths.get(dumpFileName), lines);
          } catch (IOException e) {
              throw new RuntimeException("Failed to dump properties into '"
                      + dumpFileName + "'", e);
          }
      }
--- 179,197 ----
       * This functionality could be helpful to know context in the real
       * execution.
       *
       * @param map
       */
!     protected static void dump(Map<String, String> map) {
          String dumpFileName = System.getProperty("vmprops.dump");
          if (dumpFileName == null) {
              return;
          }
          List<String> lines = new ArrayList<>();
          map.forEach((k, v) -> lines.add(k + ":" + v));
          try {
!             Files.write(Paths.get(dumpFileName), lines, StandardOpenOption.APPEND);
          } catch (IOException e) {
              throw new RuntimeException("Failed to dump properties into '"
                      + dumpFileName + "'", e);
          }
      }