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CollectionAssert.AllItemsAreInstancesOfType Method (ICollection, Type)

 

Verifies that all elements in the specified collection are instances of the specified type. The assertion fails if for any element the type is not found in its inheritance hierarchy.

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

public static void AllItemsAreInstancesOfType(
	ICollection collection,
	Type expectedType
)

Parameters

collection
Type: System.Collections.ICollection

The collection to verify.

expectedType
Type: System.Type

The type expected to be found in the inheritance hierarchy of every element in collection.

Exception Condition
AssertFailedException

An element in collection is null or expectedType is not found in the inheritance hierarchy of all elements in collection.

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