/// <summary>
/// Filters out parameters that have a <see langword="null"/> default value.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="method">The method.</param>
/// <param name="parameter">The parameter.</param>
/// <returns><see langword="true"/> if the <paramref name="parameter"/> should be excluded;
/// otherwise <see langword="false"/>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="type"/>, <paramref name="method"/> or
/// <paramref name="parameter"/> parameters are <see langword="null"/>.</exception>
bool IParameterFilter.ExcludeParameter(Type type, MethodBase method, ParameterInfo parameter)
{
if (type == null)
throw new ArgumentNullException("type");
if (method == null)
throw new ArgumentNullException("method");
if (parameter == null)
throw new ArgumentNullException("parameter");
return parameter.HasNullDefault();
}
public void IdentifyNullDefault(ParameterInfo param, bool expected)
{
// Act
bool actual = param.HasNullDefault();
// Assert
Assert.Equal(expected, actual);
}