mcs/class/System.ComponentModel.Composition/Tests/ComponentModelUnitTest/System/ComponentModel/Composition/UnitTesting/ConstraintAssert.cs

   1 // -----------------------------------------------------------------------\r
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.\r
   3 // -----------------------------------------------------------------------\r
   4 using System;\r
   5 using System.Collections.Generic;\r
   6 using System.Linq;\r
   7 using System.Linq.Expressions;\r
   8 using System.UnitTesting;\r
   9 using Microsoft.VisualStudio.TestTools.UnitTesting;\r
  10 using System.ComponentModel.Composition.Primitives;\r
  11 \r
  12 namespace System.ComponentModel.Composition.UnitTesting\r
  13 {\r
  14     internal static class ConstraintAssert\r
  15     {\r
  16         public static void Contains(Expression<Func<ExportDefinition, bool>> constraint, string contractName)\r
  17         {\r
  18             Contains(constraint, contractName, Enumerable.Empty<KeyValuePair<string, Type>>());\r
  19         }\r
  20 \r
  21         public static void Contains(Expression<Func<ExportDefinition, bool>> constraint, string contractName, IEnumerable<KeyValuePair<string, Type>> requiredMetadata)\r
  22         {\r
  23             string actualContractName;\r
  24             IEnumerable<KeyValuePair<string, Type>> actualRequiredMetadata;\r
  25             bool success = TryParseConstraint(constraint, out actualContractName, out actualRequiredMetadata);\r
  26 \r
  27             Assert.IsTrue(success);\r
  28             Assert.AreEqual(contractName, actualContractName);\r
  29             EnumerableAssert.AreEqual(requiredMetadata, actualRequiredMetadata);\r
  30         }\r
  31 \r
  32         private static bool TryParseConstraint(Expression<Func<ExportDefinition, bool>> constraint, out string contractName, out IEnumerable<KeyValuePair<string, Type>> requiredMetadata)\r
  33         {\r
  34             return ContraintParser.TryParseConstraint(constraint, out contractName, out requiredMetadata);\r
  35         }\r
  36     }\r
  37 }\r