public void INI檔案寫入(string section, string key, string expected)
{
var before = IniUtil.Read(this._file, section, key);
IniUtil.Write(this._file, section, key, expected);
var actual = IniUtil.Read(this._file, section, key);
Assert.AreEqual(expected, actual);
// snapshot
IniUtil.Write(this._file, section, key, before);
}