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CollectionAssert.AreEqual Method (ICollection, ICollection, IComparer, String)

Verifies that two specified collections are equal, using the specified method to compare the values of elements. The assertion fails if the collections are not equal. Displays a message if the assertion fails.

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

static member AreEqual : 
        expected:ICollection * 
        actual:ICollection * 
        comparer:IComparer * 
        message:string -> unit


Type: ICollection

The first collection to compare. This is the collection the unit test expects.

Type: ICollection

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

Type: IComparer

The compare implementation to use when comparing elements of the collection.

Type: String

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


expected is not 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.

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