Method testdataFiles

src/test/java/com/amazon/ion/TestUtils.java:161–193

(FilenameFilter filter,
                                      File dir,
                                      List<File> results,
                                      boolean recurse)

    private static void testdataFiles(FilenameFilter filter,
                                      File dir,
                                      List<File> results,
                                      boolean recurse)
    {
        String[] fileNames = dir.list();
        if (fileNames == null)
        {
            String message = "Not a directory: " + dir.getAbsolutePath();
            throw new IllegalArgumentException(message);
        }

        // Sort the fileNames so they are listed in order.
        // This is not a functional requirement but it helps humans scanning
        // the output looking for a specific file.
        Arrays.sort(fileNames);

        for (String fileName : fileNames)
        {
            File testFile = new File(dir, fileName);
            if (testFile.isDirectory())
            {
                if (recurse)
                {
                    testdataFiles(filter, testFile, results, recurse);
                }
            }
            else if (filter == null || filter.accept(dir, fileName))
            {
                results.add(testFile);
            }
        }
    }

    public static File[] testdataFiles(FilenameFilter filter,
                                       boolean recurse,