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Assert.IsInstanceOfType Method (Object, Type, String)


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. Displays a message if the assertion fails.

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

static member IsInstanceOfType : 
        value:Object *
        expectedType:Type *
        message:string -> unit


Type: System.Object

The object to verify is of expectedType.

Type: System.Type

The type expected to be found in the inheritance hierarchy of value.

Type: System.String

A message to display if the assertion fails. This message can be seen in the unit test results.

Exception Condition

value is null or expectedType is not found in the inheritance hierarchy of value.

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