mcs/nunit24/NUnitFramework/framework/SyntaxHelpers/ListMapper.cs

   1 using System;\r
   2 using System.Collections;\r
   3 using System.Reflection;\r
   4 \r
   5 namespace NUnit.Framework.SyntaxHelpers\r
   6 {\r
   7         /// <summary>\r
   8         /// ListMapper is used to transform a collection used as an actual argument\r
   9         /// producing another collection to be used in the assertion.\r
  10         /// </summary>\r
  11         public class ListMapper\r
  12         {\r
  13                 ICollection original;\r
  14 \r
  15                 /// <summary>\r
  16                 /// Construct a ListMapper based on a collection\r
  17                 /// </summary>\r
  18                 /// <param name="original">The collection to be transformed</param>\r
  19                 public ListMapper( ICollection original )\r
  20                 {\r
  21                         this.original = original;\r
  22                 }\r
  23 \r
  24                 /// <summary>\r
  25                 /// Produces a collection containing all the values of a property\r
  26                 /// </summary>\r
  27                 /// <param name="name">The collection of property values</param>\r
  28                 /// <returns></returns>\r
  29                 public ICollection Property( string name )\r
  30                 {\r
  31                         ArrayList propList = new ArrayList();\r
  32                         foreach( object item in original )\r
  33                         {\r
  34                                 PropertyInfo property = item.GetType().GetProperty( name, \r
  35                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance );\r
  36                                 if ( property == null )\r
  37                                         throw new ArgumentException( string.Format(\r
  38                                                 "{0} does not have a {1} property", item, name ) );\r
  39 \r
  40                                 propList.Add( property.GetValue( item, null ) );\r
  41                         }\r
  42 \r
  43                         return propList;\r
  44                 }\r
  45         }\r
  46 }\r