test/testlibrary/ctw/src/sun/hotspot/tools/ctw/ClassesListInFile.java

rev 12859 : 8178835: CTW Runner should check that all classes have been compiled
Reviewed-by: duke

*** 43,59 ****
          CompileTheWorld.OUT.println("# list: " + root);
          if (!Files.exists(root)) {
              return;
          }
          try {
!             try (BufferedReader reader = Files.newBufferedReader(root,
!                     StandardCharsets.UTF_8)) {
                  String line;
                  while (!isFinished() && ((line = reader.readLine()) != null)) {
                      processClass(line);
                  }
              }
          } catch (IOException e) {
              e.printStackTrace();
          }
      }
  }
--- 43,70 ----
          CompileTheWorld.OUT.println("# list: " + root);
          if (!Files.exists(root)) {
              return;
          }
          try {
!             try (BufferedReader reader = Files.newBufferedReader(root)) {
                  String line;
                  while (!isFinished() && ((line = reader.readLine()) != null)) {
                      processClass(line);
                  }
              }
          } catch (IOException e) {
              e.printStackTrace();
          }
      }
+ 
+     @Override
+     public long classCount() {
+         try {
+             try (BufferedReader reader = Files.newBufferedReader(root)) {
+                 return reader.lines().count();
+             }
+         } catch (IOException e) {
+             throw new Error("can not read list " + root + " : "
+                     + e.getMessage(), e);
+         }
+     }
  }