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Assert.IsInstanceOfType Method (Object, Type)

Verifies that the specified object is an instance of the specified type. The assertion fails if the type is not found in the inheritance hierarchy of the object.

Namespace:  Microsoft.VisualStudio.TestTools.UnitTesting
Assembly:  Microsoft.VisualStudio.QualityTools.UnitTestFramework (in Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll)

Syntax

'Declaration
Public Shared Sub IsInstanceOfType ( _
    value As Object, _
    expectedType As Type _
)
public static void IsInstanceOfType(
    Object value,
    Type expectedType
)
public:
static void IsInstanceOfType(
    Object^ value, 
    Type^ expectedType
)
static member IsInstanceOfType : 
        value:Object * 
        expectedType:Type -> unit 
public static function IsInstanceOfType(
    value : Object, 
    expectedType : Type
)

Parameters

  • value
    Type: System.Object
    The object to verify is of expectedType.
  • expectedType
    Type: System.Type
    The type expected to be found in the inheritance hierarchy of value.

Exceptions

Exception Condition
AssertFailedException

value is nulla null reference (Nothing in Visual Basic) or expectedType is not found in the inheritance hierarchy of value.

.NET Framework Security

See Also

Reference

Assert Class

IsInstanceOfType Overload

Microsoft.VisualStudio.TestTools.UnitTesting Namespace

Other Resources

Using the Assert Classes