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;
33 using NUnit.Framework.Interfaces;
35 namespace NUnit.Framework.Internal.Builders
38 /// The ParameterDataProvider class implements IParameterDataProvider
39 /// and hosts one or more individual providers.
41 public class ParameterDataProvider : IParameterDataProvider
43 private List<IParameterDataProvider> _providers = new List<IParameterDataProvider>();
46 /// Construct with a collection of individual providers
48 public ParameterDataProvider(params IParameterDataProvider[] providers)
50 _providers.AddRange(providers);
54 /// Determine whether any data is available for a parameter.
56 /// <param name="parameter">An IParameterInfo representing one
57 /// argument to a parameterized test</param>
58 /// <returns>True if any data is available, otherwise false.</returns>
59 public bool HasDataFor(IParameterInfo parameter)
61 foreach (var provider in _providers)
62 if (provider.HasDataFor(parameter))
69 /// Return an IEnumerable providing data for use with the
70 /// supplied parameter.
72 /// <param name="parameter">An IParameterInfo representing one
73 /// argument to a parameterized test</param>
74 /// <returns>An IEnumerable providing the required data</returns>
75 public IEnumerable GetDataFor(IParameterInfo parameter)
77 foreach (var provider in _providers)
78 foreach (object data in provider.GetDataFor(parameter))