@Test
void testUnQuote() {

    assertEquals("", QuotedCSV.unquote(""));
    assertEquals("", QuotedCSV.unquote("\"\""));
    assertEquals("foo", QuotedCSV.unquote("foo"));
    assertEquals("foo", QuotedCSV.unquote("\"foo\""));
    assertEquals("foo", QuotedCSV.unquote("f\"o\"o"));
    assertEquals("\"foo", QuotedCSV.unquote("\"\\\"foo\""));
    assertEquals("\\foo", QuotedCSV.unquote("\\foo"));
}