Assertor用于判断参数和抛出异常

/// <summary> 断言器,用于判断和抛出异常/// </summary>static class Assertor{    /// <summary> 如果value值是null 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</param>    public static void AreNull(object value, string name)    {        if (value == null)        {            throw new ArgumentNullException(name, "参数不能为null");        }    }    /// <summary> 如果value字符串是null或string.Empty 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</param>    public static void AreNullOrEmpty(string value, string name)    {        if (value == null || value.Length == 0)        {            throw new ArgumentNullException(name, "字符串不能为null或空");        }    }    /// <summary> 如果value字符串是 null、空还是仅由空白字符组成 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</param>    public static void AreNullOrWhiteSpace(string value, string name)    {        if (string.IsNullOrWhiteSpace(value))        {            throw new ArgumentNullException(name, "字符串不能为null或连续空白");        }    }    /// <summary> 如果value集合是null或者Count是0 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</param>    public static void AreNullOrEmpty(ICollection value, string name)    {        if (value == null || value.Count == 0)        {            throw new ArgumentNullException(name, "集合不能为null且必须有元素");        }    }    /// <summary> 如果value值超过min~max 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</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值超过min~max 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</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类型或其子类 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</param>    public static void AreType<T>(object value, string name)    {        if (value is T == false)        {            throw new ArgumentOutOfRangeException(name, value + " 值不是指定的类型 '" + typeof(T) + "'");        }    }    /// <summary> 如果value不是Type类型或其子类 则抛出异常    /// </summary>    /// <param name="type">限定类型</param>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</param>    public static void AreType(Type type, object value, string name)    {        if (type.IsInstanceOfType(value) == false)        {            throw new ArgumentOutOfRangeException(name, value + " 值不是指定的类型 '" + type + "'");        }    }    /// <summary> 如果value不是数字类型 则抛出异常    /// </summary>    /// <param name="value">参数值</param>    /// <param name="name">参数名称</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 + "不是数字类型");            }        }    }    /// <summary> 如果condition是true 则抛出异常    /// </summary>    /// <param name="condition">判断条件</param>    /// <param name="message">异常消息</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 则抛出异常    /// </summary>    /// <param name="condition">判断条件</param>    /// <param name="message">异常消息</param>    public static void AreFalse<T>(bool condition, string message)        where T : Exception, new()    {        AreTrue<T>(!condition, message);    }    /// <summary> 如果condition是true 则抛出NotSupportedException异常    /// </summary>    /// <param name="condition">判断条件</param>    /// <param name="message">异常消息</param>    public static void AreTrue(bool condition, string message)    {        AreTrue<NotSupportedException>(condition, message);    }    /// <summary> 如果condition是false 则抛出NotSupportedException异常    /// </summary>    /// <param name="condition">判断条件</param>    /// <param name="message">异常消息</param>    public static void AreFalse(bool condition, string message)    {        AreTrue<NotSupportedException>(!condition, message);    }}