@Test
public void testTrim01() throws Exception {

    // 前処理(引数)
    String columnString = "1";
    String fileEncoding = "Shift_JIS";
    char trimChar = 'a';
    TrimType trimType = TrimType.LEFT;
    // テスト実施
    String result = FileDAOUtility.trim(columnString, fileEncoding,
            trimChar, trimType);
    // 判定
    assertNotNull(result);
    assertEquals("1", result);
}