/// <summary>Verifies an argument is <see langword="null"/>.</summary> /// <typeparam name="T">The argument type.</typeparam> /// <param name="source">The source.</param> /// <param name="message">The message.</param> /// <param name="messageArgs">The message arguments.</param> /// <returns>The constraint.</returns> /// <exception cref="ArgumentException">The argument is not <see langword="null"/>.</exception> public static AndArgumentConstraint <T> IsNull <T>(this ArgumentConstraint <T> source, string message, params object[] messageArgs) where T : class { if (source.Argument.Value != null) { throw new ArgumentException(String.Format(message, messageArgs), source.Argument.Name); } return(new AndArgumentConstraint <T>(source)); }
/// <summary>Verifies an argument is not <see langword="null"/>.</summary> /// <typeparam name="T">The argument type.</typeparam> /// <param name="source">The source.</param> /// <returns>The constraint.</returns> /// <exception cref="ArgumentNullException">The argument is <see langword="null"/>.</exception> public static AndArgumentConstraint <T> IsNotNull <T>(this ArgumentConstraint <T> source) where T : class { if (source.Argument.Value == null) { throw new ArgumentNullException(source.Argument.Name); } return(new AndArgumentConstraint <T>(source)); }
/// <summary>Initializes an instance of the <see cref="AndArgumentConstraint{T}"/> class.</summary> /// <exception cref="ArgumentNullException"><paramref name="parent"/> is <see langword="null"/>.</exception> public AndArgumentConstraint(ArgumentConstraint <T> parent) { if (parent == null) { throw new ArgumentNullException("parent"); } m_parent = parent; }
/// <summary>Verifies an argument is <see langword="null"/>.</summary> /// <typeparam name="T">The argument type.</typeparam> /// <param name="source">The source.</param> /// <returns>The constraint.</returns> /// <exception cref="ArgumentException">The argument is not <see langword="null"/>.</exception> public static AndArgumentConstraint <T> IsNull <T>(this ArgumentConstraint <T> source) where T : class { return(IsNull(source, "Must be null.")); }