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Microsoft.VisualStudio.TestTools.UnitTesting Namespace

The Microsoft.VisualStudio.TestTools.UnitTesting namespace supplies classes that provide unit testing support. This namespace contains many attributes that identify test information to the test engine regarding data sources, order of method execution, program management, agent/host information, and deployment data. The Microsoft.VisualStudio.TestTools.UnitTesting namespace also contains custom unit testing exceptions.

To read a walkthrough of the unit test framework, go to the MSDN Library and search for the following article, "A Unit Testing Walkthrough with Visual Studio Team Test".

  ClassDescription
Public classAssemblyCleanupAttributeIdentifies a method that contains code to be used after all tests in the assembly have run and to free resources obtained by the assembly. This class cannot be inherited.
Public classAssemblyInitializeAttributeIdentifies a method that contains code to be used before all tests in the assembly have run and to allocate resources obtained by the assembly. This class cannot be inherited.
Public classAssertVerifies conditions in unit tests using true/false propositions.
Public classAssertFailedExceptionUsed to indicate failure for a test.
Public classAssertInconclusiveExceptionUsed to indicate that a test is not yet implemented.
Public classBaseShadowThis class is used by the publicize method to help test private types.
Public classClassCleanupAttributeIdentifies a method that contains code to be used after all the tests in the test class have run and to free resources obtained by the test class. This class cannot be inherited.
Public classClassInitializeAttributeIdentifies a method that contains code that must be used before any of the tests in the test class have run and to allocate resources to be used by the test class. This class cannot be inherited.
Public classCollectionAssertVerifies true/false propositions associated with collections in unit tests.
Public classCssIterationAttributeRepresents the project iteration to which this test corresponds. This class cannot be inherited.
Public classCssProjectStructureAttributeRepresents the node in the team project hierarchy to which this test corresponds.
Public classDataSourceAttributeProvides data source-specific information for data-driven testing. This class cannot be inherited.
Public classDataSourceElementRepresents a data source element as an XML tag within a configuration file.
Public classDataSourceElementCollectionRepresents an XML element that contains a collection of child DataSourceElement objects.
Public classDeploymentItemAttributeUsed to specify deployment items such as files or directories for per-test deployment. This class cannot be inherited.
Public classDescriptionAttributeUsed to specify the description of the test. This class cannot be inherited.
Public classExpectedExceptionAttributeIndicates that an exception is expected during test method execution. This class cannot be inherited.
Public classGenericParameterHelperThis class is a placeholder for use with generics. It helps you test generic types by letting you pass non-specific type arguments.
Public classHostTypeAttributeUsed to specify the type of host that this unit test will run in. This class cannot be inherited.
Public classIgnoreAttributeIndicates that a specific test should not be run. This class cannot be inherited.
Public classInternalTestFailureExceptionThe exception that is thrown to indicate an internal failure for a test.
Public classOwnerAttributeUsed to specify the person responsible for maintaining, running, and/or debugging the test. This class cannot be inherited.
Public classPriorityAttributeUsed to specify the priority of a unit test. This class cannot be inherited.
Public classPrivateObjectAllows test code to call methods and properties on the code under test that would be inaccessible because they are not public.
Public classPrivateTypeRepresents the type of a private class that gives access to private static implementations.
Public classShadowingAttributeDo not use this class.
Public classStringAssertVerifies true/false propositions associated with strings in unit tests.
Public classTestClassAttributeUsed to identify classes that contain test methods. This class cannot be inherited.
Public classTestCleanupAttributeIdentifies a method that contains code that must be used after the test has run and to free resources obtained by all the tests in the test class. This class cannot be inherited.
Public classTestConfigurationProvides access to a TestConfigurationSection that represents the microsoft.visualstudio.testtools section in an app.config file.
Public classTestConfigurationSectionProvides access to data source configuration data.
Public classTestContextUsed to store information that is provided to unit tests.
Public classTestInitializeAttributeIdentifies the method to run before the test to allocate and configure resources needed by all tests in the test class. This class cannot be inherited.
Public classTestMethodAttributeUsed to identify test methods. This class cannot be inherited.
Public classTestPropertyAttributeEstablishes a test specific property on a method. This class cannot be inherited.
Public classTimeoutAttributeUsed to specify the time-out period of a unit test.
Public classUnitTestAssertExceptionThis is the base class for unit test exceptions.
Public classWebServiceHelperContains helper methods for Web service testing.
Public classWorkItemAttributeUsed to specify a work item associated with a test.

  DelegateDescription
Protected delegateBaseShadow.ElementConverterDo not use this delegate.

  EnumerationDescription
Public enumerationDataAccessMethodSpecifies constants that indicate how data rows are accessed in data-driven testing.
Public enumerationUnitTestOutcomeUse UnitTestOutcome to programmatically determine the outcome of a test that has run or is currently running.

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