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
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
30 using System.Collections;
31 using System.Collections.Generic;
32 using NUnit.Framework.Interfaces;
34 namespace NUnit.Framework.Internal.Builders
37 /// ParameterDataSourceProvider supplies individual argument _values for
38 /// single parameters using attributes implementing IParameterDataSource.
40 public class ParameterDataSourceProvider : IParameterDataProvider
42 #region IParameterDataProvider Members
45 /// Determine whether any data is available for a parameter.
47 /// <param name="parameter">A ParameterInfo representing one
48 /// argument to a parameterized test</param>
50 /// True if any data is available, otherwise false.
52 public bool HasDataFor(IParameterInfo parameter)
54 return parameter.IsDefined<IParameterDataSource>(false);
58 /// Return an IEnumerable providing data for use with the
59 /// supplied parameter.
61 /// <param name="parameter">An IParameterInfo representing one
62 /// argument to a parameterized test</param>
64 /// An IEnumerable providing the required data
66 public IEnumerable GetDataFor(IParameterInfo parameter)
68 var data = new List<object>();
70 foreach (IParameterDataSource source in parameter.GetCustomAttributes<IParameterDataSource>(false))
72 foreach (object item in source.GetData(parameter))