using System.Linq;

namespace JD.UserControls.QuickOpenDialogs
{
    /// <summary>
    /// Makes tests
    /// </summary>
    public class Verify
    {
        /// <summary>
        /// Returns a value that can be used to test.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="value"></param>
        /// <returns></returns>
        public static ThatElement<T> That<T>(T value)
        {
            return new ThatElement<T>(value);
        }

        /// <summary>
        /// Helper struct to help to make cool syntax.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        public struct ThatElement<T>
        {
            private readonly T m_value;

            /// <summary>
            /// Ctor.
            /// </summary>
            /// <param name="value"></param>
            public ThatElement(T value)
            {
                m_value = value;
            }

            /// <summary>
            /// Tests the the value is in one of the given values.
            /// </summary>
            /// <param name="values"></param>
            /// <returns></returns>
            public bool IsIn(params T[] values)
            {
                return values.Contains(m_value);
            }
        }
    }
}