mcs/class/System.ComponentModel.Composition/Tests/ComponentModelUnitTest/System/ComponentModel/Composition/ExportAttributeTests.cs

   1 // -----------------------------------------------------------------------\r
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.\r
   3 // -----------------------------------------------------------------------\r
   4 using System;\r
   5 using System.ComponentModel.Composition;\r
   6 using Microsoft.VisualStudio.TestTools.UnitTesting;\r
   7 using System.UnitTesting;\r
   8 \r
   9 namespace System.ComponentModel.Composition\r
  10 {\r
  11     [TestClass]\r
  12     public class ExportAttributeTests\r
  13     {\r
  14         [TestMethod]\r
  15         public void Constructor1_ShouldSetContractNamePropertyToEmptyString()\r
  16         {\r
  17             var attribute = new ExportAttribute();\r
  18 \r
  19             Assert.IsNull(attribute.ContractName);\r
  20             Assert.IsNull(attribute.ContractType);\r
  21         }\r
  22 \r
  23         [TestMethod]\r
  24         public void Constructor2_NullAsContractNameArgument_ShouldSetContractNamePropertyToEmptyString()\r
  25         {\r
  26             var attribute = new ExportAttribute((string)null);\r
  27 \r
  28             Assert.IsNull(attribute.ContractName);\r
  29             Assert.IsNull(attribute.ContractType);\r
  30         }\r
  31 \r
  32         [TestMethod]\r
  33         public void Constructor3_NullAsContractTypeArgument_ShouldSetContractNamePropertyToEmptyString()\r
  34         {\r
  35             var attribute = new ExportAttribute((Type)null);\r
  36 \r
  37             Assert.IsNull(attribute.ContractName);\r
  38             Assert.IsNull(attribute.ContractType);\r
  39         }\r
  40 \r
  41         [TestMethod]\r
  42         public void Constructor4_NullAsContractTypeArgument_ShouldSetContractNamePropertyToEmptyString()\r
  43         {\r
  44             var attribute = new ExportAttribute((string)null, (Type)null);\r
  45 \r
  46             Assert.IsNull(attribute.ContractName);\r
  47             Assert.IsNull(attribute.ContractType);\r
  48         }\r
  49 \r
  50         [TestMethod]\r
  51         public void Constructor2_ValueAsContractNameArgument_ShouldSetContractNameProperty()\r
  52         {\r
  53             var expectations = Expectations.GetContractNamesWithEmpty();\r
  54             \r
  55             foreach (var e in expectations)\r
  56             {\r
  57                 var attribute = new ExportAttribute(e);\r
  58 \r
  59                 Assert.AreEqual(e, attribute.ContractName);\r
  60             }\r
  61         }\r
  62     }\r
  63 }\r