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Assert.IsInstanceOfType Method (Object, Type, String, Object[])
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, and applies the specified formatting to it.
Assembly: Microsoft.VisualStudio.QualityTools.UnitTestFramework (in Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll)
static member IsInstanceOfType : value:Object * expectedType:Type * message:string * [<ParamArrayAttribute>] parameters:Object[] -> unit
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.
- message
-
Type:
System.String
A message to display if the assertion fails. This message can be seen in the unit test results.
- parameters
-
Type:
System.Object[]
An array of parameters to use when formatting message.
| Exception | Condition |
|---|---|
| AssertFailedException | value is null or expectedType is not found in the inheritance hierarchy of value. |
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