// ***********************************************************************
// Copyright (c) 2008 Charlie Poole
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ***********************************************************************
#define PORTABLE
#define TIZEN
#define NUNIT_FRAMEWORK
#define NUNITLITE
#define NET_4_5
#define PARALLEL
namespace NUnit.Framework.Constraints
{
    /// <summary>
    /// ResolvableConstraintExpression is used to represent a compound
    /// constraint being constructed at a point where the last operator
    /// may either terminate the expression or may have additional 
    /// qualifying constraints added to it. 
    /// 
    /// It is used, for example, for a Property element or for
    /// an Exception element, either of which may be optionally
    /// followed by constraints that apply to the property or 
    /// exception.
    /// </summary>
    public class ResolvableConstraintExpression : ConstraintExpression, IResolveConstraint
    {
        /// <summary>
        /// Create a new instance of ResolvableConstraintExpression
        /// </summary>
        public ResolvableConstraintExpression() { }

        /// <summary>
        /// Create a new instance of ResolvableConstraintExpression,
        /// passing in a pre-populated ConstraintBuilder.
        /// </summary>
        public ResolvableConstraintExpression(ConstraintBuilder builder)
            : base(builder) { }

        /// <summary>
        /// Appends an And Operator to the expression
        /// </summary>
        public ConstraintExpression And
        {
            get { return this.Append(new AndOperator()); }
        }

        /// <summary>
        /// Appends an Or operator to the expression.
        /// </summary>
        public ConstraintExpression Or
        {
            get { return this.Append(new OrOperator()); }
        }

        #region IResolveConstraint Members

        /// <summary>
        /// Resolve the current expression to a Constraint
        /// </summary>
        IConstraint IResolveConstraint.Resolve()
        {
            return builder.Resolve();
        }

        #endregion
    }
}