/// <summary> 斷言器,用于判斷和拋出異常/// </summary>static class Assertor{    /// <summary> 如果value值是null 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreNull(object value, string name)    {        if (value == null)        {            throw new ArgumentNullException(name, "參數不能為null");        }    }    /// <summary> 如果value字符串是null或string.Empty 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreNullOrEmpty(string value, string name)    {        if (value == null || value.Length == 0)        {            throw new ArgumentNullException(name, "字符串不能為null或空");        }    }    /// <summary> 如果value字符串是 null、空還是僅由空白字符組成 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreNullOrWhiteSpace(string value, string name)    {        if (string.IsNullOrWhiteSpace(value))        {            throw new ArgumentNullException(name, "字符串不能為null或連續空白");        }    }    /// <summary> 如果value集合是null或者Count是0 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreNullOrEmpty(ICollection value, string name)    {        if (value == null || value.Count == 0)        {            throw new ArgumentNullException(name, "集合不能為null且必須有元素");        }    }    /// <summary> 如果value值超過min~max 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    /// <param name="min">最小值</param>    /// <param name="max">最大值</param>    public static void AreInRange<T>(T value, string name, T min, T max)        where T : IComparable<T>    {        if (value.CompareTo(min) < 0 || value.CompareTo(max) > 0)        {            throw new ArgumentOutOfRangeException(name, value, "值不能大于" + max + "或小于" + min);        }    }    /// <summary> 如果value值超過min~max 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    /// <param name="min">最小值</param>    /// <param name="max">最大值</param>    public static void AreInRange<T>(IComparable value, string name, T min, T max)        where T : IComparable    {        if (value.CompareTo(min) < 0 || value.CompareTo(max) > 0)        {            throw new ArgumentOutOfRangeException(name, value, "值不能大于" + max + "或小于" + min);        }    }    /// <summary> 如果value不是T類型或其子類 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreType<T>(object value, string name)    {        if (value is T == false)        {            throw new ArgumentOutOfRangeException(name, value + " 值不是指定的類型 '" + typeof(T) + "'");        }    }    /// <summary> 如果value不是Type類型或其子類 則拋出異常    /// </summary>    /// <param name="type">限定類型</param>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreType(Type type, object value, string name)    {        if (type.IsInstanceOfType(value) == false)        {            throw new ArgumentOutOfRangeException(name, value + " 值不是指定的類型 '" + type + "'");        }    }    /// <summary> 如果value不是數字類型 則拋出異常    /// </summary>    /// <param name="value">參數值</param>    /// <param name="name">參數名稱</param>    public static void AreNumberType(object value, string name)    {        var conv = value as IConvertible;        if (conv == null)        {            var code = (int)conv.GetTypeCode();            if (code < 5 || code > 15)            {                throw new ArgumentOutOfRangeException(name, value + "不是數字類型");            }        }    }    /// <summary> 如果condition是true 則拋出異常    /// </summary>    /// <param name="condition">判斷條件</param>    /// <param name="message">異常消息</param>    public static void AreTrue<T>(bool condition, string message)        where T : Exception, new()    {        if (condition)        {            var ex = new T();            var lit = Literacy.Cache(typeof(Exception), false);            lit.Load.NonPublicField();            lit.Field["_message"].SetValue(ex, message);            throw ex;        }    }    /// <summary> 如果condition是false 則拋出異常    /// </summary>    /// <param name="condition">判斷條件</param>    /// <param name="message">異常消息</param>    public static void AreFalse<T>(bool condition, string message)        where T : Exception, new()    {        AreTrue<T>(!condition, message);    }    /// <summary> 如果condition是true 則拋出NotSupportedException異常    /// </summary>    /// <param name="condition">判斷條件</param>    /// <param name="message">異常消息</param>    public static void AreTrue(bool condition, string message)    {        AreTrue<NotSupportedException>(condition, message);    }    /// <summary> 如果condition是false 則拋出NotSupportedException異常    /// </summary>    /// <param name="condition">判斷條件</param>    /// <param name="message">異常消息</param>    public static void AreFalse(bool condition, string message)    {        AreTrue<NotSupportedException>(!condition, message);    }}