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CollectionAssert.AllItemsAreUnique Method (ICollection, String)

Visual Studio 2012

Verifies that all items in the specified collection are unique. The assertion fails if any two elements in the collection are equal. Displays a message if the assertion fails.

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

Syntax

C++

JScript

public static void AllItemsAreUnique(
	ICollection collection,
	string message
)

Parameters

collection: Type: ICollection
The collection in which to search for duplicate elements.

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

Exceptions

Exception	Condition
AssertFailedException	Two or more equal elements are found in collection.

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

Reference

CollectionAssert Class

AllItemsAreUnique Overload

Microsoft.VisualStudio.TestTools.UnitTesting Namespace

Other Resources

Using the Assert Classes

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