1 // ***********************************************************************
2 // Copyright (c) 2008 Charlie Poole
4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 // ***********************************************************************
25 #define NUNIT_FRAMEWORK
29 namespace NUnit.Framework.Constraints
32 /// ResolvableConstraintExpression is used to represent a compound
33 /// constraint being constructed at a point where the last operator
34 /// may either terminate the expression or may have additional
35 /// qualifying constraints added to it.
37 /// It is used, for example, for a Property element or for
38 /// an Exception element, either of which may be optionally
39 /// followed by constraints that apply to the property or
42 public class ResolvableConstraintExpression : ConstraintExpression, IResolveConstraint
45 /// Create a new instance of ResolvableConstraintExpression
47 public ResolvableConstraintExpression() { }
50 /// Create a new instance of ResolvableConstraintExpression,
51 /// passing in a pre-populated ConstraintBuilder.
53 public ResolvableConstraintExpression(ConstraintBuilder builder)
57 /// Appends an And Operator to the expression
59 public ConstraintExpression And
61 get { return this.Append(new AndOperator()); }
65 /// Appends an Or operator to the expression.
67 public ConstraintExpression Or
69 get { return this.Append(new OrOperator()); }
72 #region IResolveConstraint Members
75 /// Resolve the current expression to a Constraint
77 IConstraint IResolveConstraint.Resolve()
79 return builder.Resolve();