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

    /**
     * Test isPathSafe with safe path
     *
     * @throws Exception
     */
    @Test
    public void testIsPathSafe_SafePath() throws Exception {
        final Path baseDir = tempFolder.getRoot().toPath();
        final Path safePath = baseDir.resolve("subdir/file.txt");