1 // ***********************************************************************
2 // Copyright (c) 2007 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
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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
31 namespace NUnit.Framework.Constraints
34 /// ExactTypeConstraint is used to test that an object
35 /// is of the exact type provided in the constructor
37 public class ExactTypeConstraint : TypeConstraint
40 /// Construct an ExactTypeConstraint for a given Type
42 /// <param name="type">The expected Type.</param>
43 public ExactTypeConstraint(Type type)
44 : base(type, string.Empty)
49 /// The display name of this Constraint for use by ToString().
50 /// The default value is the name of the constraint with
51 /// trailing "Constraint" removed. Derived classes may set
52 /// this to another name in their constructors.
54 public override string DisplayName { get { return "TypeOf"; } }
57 /// Apply the constraint to an actual value, returning true if it succeeds
59 /// <param name="actual">The actual argument</param>
60 /// <returns>True if the constraint succeeds, otherwise false.</returns>
61 protected override bool Matches(object actual)
63 return actual != null && actual.GetType() == expectedType;