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CollectionAssert.AreNotEqual Method (ICollection, ICollection, String, Object[])

Verifies that two specified collections are not equal. The assertion fails if the collections are equal. Displays a message if the assertion fails, and applies the specified formatting to it.

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

public static void AreNotEqual(
	ICollection notExpected,
	ICollection actual,
	string message,
	params Object[] parameters
)

Parameters

notExpected
Type: System.Collections.ICollection

The first collection to compare. This is the collection that the unit test does not expect to match actual.

actual
Type: System.Collections.ICollection

The second collection to compare. This is the collection the unit test produced.

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.

ExceptionCondition
AssertFailedException

expected is equal to actual.

Two collections are equal if they have the same elements in the same order and quantity. Elements are equal if their values are equal, not if they refer to the same object. The values of elements are compared using Equals by default.

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