assertThat(FileUtil.readUTF8(getPath("hoge_utf8.txt")), is("あ"));
    }

    private String getPath(final String fileName) {
        return getClass().getName().replace('.', '/').replaceFirst(getClass().getSimpleName(), fileName);
    }

        assertArgumentNotNull("clazz", clazz);

        if (isExist(path)) {
            return path;
        }
        final String prefix = clazz.getName().replace('.', '/').replaceFirst("/[^/]+$", "");
        final String extendedPath = prefix + "/" + path;
        if (ResourceUtil.getResourceNoException(extendedPath) != null) {
            return extendedPath;
        }
        return path;