test/tools/pack200/Utils.java

*** 312,321 ****
--- 312,335 ----
                  new sun.tools.jar.Main(System.out, System.err, "jartool");
          if (!jarTool.run(jargs)) {
              throw new RuntimeException("jar command failed");
          }
      }
+ 
+     static void testWithRepack(File inFile, String... repackOpts) throws IOException {
+         File cwd = new File(".");
+         // pack using --repack in native mode
+         File nativejarFile = new File(cwd, "out-n" + Utils.JAR_FILE_EXT);
+         repack(inFile, nativejarFile, false, repackOpts);
+         doCompareVerify(inFile, nativejarFile);
+ 
+         // ensure bit compatibility between the unpacker variants
+         File javajarFile = new File(cwd, "out-j" + Utils.JAR_FILE_EXT);
+         repack(inFile, javajarFile, true, repackOpts);
+         doCompareBitWise(javajarFile, nativejarFile);
+     }
+ 
      static List<String> repack(File inFile, File outFile,
              boolean disableNative, String... extraOpts) {
          List<String> cmdList = new ArrayList<>();
          cmdList.clear();
          cmdList.add(Utils.getJavaCmd());