/// <summary>
/// Checks whether the value is greater or equal to the reference value.
/// </summary>
/// <param name="value">The value to test.</param>
/// <param name="referenceValue">The reference value to test.</param>
/// <param name="paramName">The name of the parameter that caused the exception.</param>
/// <param name="message">A message that describes the error.</param>
/// <exception cref="ArgumentOutOfRangeException"><em>value</em> is out of
/// range.</exception>
public static void IsGreaterOrEqual(IComparable value, IComparable referenceValue, string paramName, string message)
{
if (!value.IsGreaterOrEqual(referenceValue))
{
throw new ArgumentOutOfRangeException(paramName, referenceValue, message);
}
}
/// <summary>
/// Checks whether the value is greater or equal to the reference value.
/// </summary>
/// <param name="value">The value to test.</param>
/// <param name="referenceValue">The reference value to test.</param>
/// <exception cref="ArgumentOutOfRangeException"><em>value</em> is out of
/// range.</exception>
public static void IsGreaterOrEqual(IComparable value, IComparable referenceValue)
{
if (!value.IsGreaterOrEqual(referenceValue))
{
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Indicates whether the instance is between a minimum and maximum value.
/// </summary>
/// <param name="value">The instance to test.</param>
/// <param name="min">The minimum value to test.</param>
/// <param name="max">The maximum value to test.</param>
/// <returns><strong>true</strong> if the instance is between the minimum and maximum
/// value; otherwise, <strong>false</strong>.</returns>
/// <exception cref="ArgumentNullException"><em>value</em>, <em>min</em> or <em>max</em> is
/// <strong>null</strong>.</exception>
public static bool IsBetween(this IComparable value, IComparable min, IComparable max)
{
Precondition.IsNotNull(value, nameof(value));
Precondition.IsNotNull(min, nameof(min));
Precondition.IsNotNull(max, nameof(max));
return(value.IsGreaterOrEqual(min) && value.IsLessOrEqual(max));
}
/// <summary>
/// 如果大于等于比较值则返回默认值否则返回原值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="t"></param>
/// <param name="compareValue">比较值</param>
/// <param name="becomeValue">默认值</param>
/// <returns></returns>
public static T IfGreaterOrEqualBecome <T>(this IComparable <T> t, T compareValue, T becomeValue)
{
if (t.IsGreaterOrEqual(compareValue))
{
return(becomeValue);
}
else
{
return((T)t);
}
}
public void IsGreaterOrEqual_Throws_ArgumentNullException(IComparable value, IComparable referenceValue, string expectedParameter)
{
AssertThrowsException<ArgumentNullException>(() => value.IsGreaterOrEqual(referenceValue), expectedParameter);
}
public void IsGreaterOrEqual_Throws_ArgumentNullException(IComparable value, IComparable referenceValue, string expectedParameter)
{
AssertThrowsException <ArgumentNullException>(() => value.IsGreaterOrEqual(referenceValue), expectedParameter);
}
