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CollectionAssert.DoesNotContain Method (ICollection, Object, String)

 

Verifies that the specified collection does not contain the specified element. The assertion fails if the element is found in the collection. Displays a message if the assertion fails.

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

public static void DoesNotContain(
	ICollection collection,
	object element,
	string message
)

Parameters

collection
Type: System.Collections.ICollection

The collection in which to search for the element.

element
Type: System.Object

The element that is not expected to be in the collection.

message
Type: System.String

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

Exception Condition
AssertFailedException

element is found in collection.

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