CollectionAssert.AllItemsAreNotNull Method (ICollection, String, array<Object )

Verifies that all items in the specified collection are not nulla null reference (Nothing in Visual Basic). The assertion fails if any element is nulla null reference (Nothing in Visual Basic). 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)

Syntax

'Declaration
Public Shared Sub AllItemsAreNotNull ( _
    collection As ICollection, _
    message As String, _
    ParamArray parameters As Object() _
)

public static void AllItemsAreNotNull(
    ICollection collection,
    string message,
    params Object[] parameters
)

public:
static void AllItemsAreNotNull(
    ICollection^ collection, 
    String^ message, 
    ... array<Object^>^ parameters
)

static member AllItemsAreNotNull : 
        collection:ICollection * 
        message:string * 
        parameters:Object[] -> unit

public static function AllItemsAreNotNull(
    collection : ICollection, 
    message : String, 
    ... parameters : Object[]
)

Parameters

• collection
  Type: ICollection

  The collection in which to search for elements that are nulla null reference (Nothing in Visual Basic).

• message
  Type: String

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

• parameters
  Type: array<Object[]

  An array of parameters to use when formatting message.

Exceptions

Exception	Condition
AssertFailedException	An element which is nulla null reference (Nothing in Visual Basic) is 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.

See Also

Reference

CollectionAssert Class

AllItemsAreNotNull Overload

Microsoft.VisualStudio.TestTools.UnitTesting Namespace

Other Resources

Using the Assert Classes