/// <summary>
/// Guard against null.
/// </summary>
/// <param name="guard">Guard clause.</param>
/// <param name="value">Id to guard.</param>
/// <param name="name">Name to provide as parameter for exception (optional).</param>
public static void Null(this IGuardAgainst guard, object value, string name = null)
{
if (value != null)
{
return;
}
throw new ArgumentNullException(name);
}
/// <summary>
/// Guard against integer value outside of provided range.
/// </summary>
/// <param name="guard">Guard clause.</param>
/// <param name="value">Id to guard.</param>
/// <param name="name">Name to provide as parameter for exception (optional).</param>
public static void OutOfRange(this IGuardAgainst guard, uint value, uint min, uint max,
string name = null)
{
if (value >= min && value <= max)
{
return;
}
throw new ArgumentOutOfRangeException(name, "Input value was out or range.");
}
/// <summary>
/// Guard against null or empty string.
/// </summary>
/// <param name="guard">Guard clause.</param>
/// <param name="value">Id to guard.</param>
/// <param name="name">Name to provide as parameter for exception (optional).</param>
public static void EmptyString(this IGuardAgainst guard, string value, string name = null)
{
Guard.Against.Null(value, name);
if (!string.IsNullOrWhiteSpace(value))
{
return;
}
throw new ArgumentException("Required input was empty.", name);
}
