Assert.IsNotNull Method (Object, String)

Verifies that the specified object is not nulla null reference (Nothing in Visual Basic). The assertion fails if it is nulla null reference (Nothing in Visual Basic). Displays a message if the assertion fails.

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

Syntax

'Declaration
Public Shared Sub IsNotNull ( _
    value As Object, _
    message As String _
)

public static void IsNotNull(
    Object value,
    string message
)

public:
static void IsNotNull(
    Object^ value, 
    String^ message
)

static member IsNotNull : 
        value:Object * 
        message:string -> unit

public static function IsNotNull(
    value : Object, 
    message : String
)

Parameters

• value
  Type: Object

  The object to verify is not 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.

Exceptions

Exception	Condition
AssertFailedException	value is nulla null reference (Nothing in Visual Basic).

.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

Assert Class

IsNotNull Overload

Microsoft.VisualStudio.TestTools.UnitTesting Namespace

Other Resources

Using the Assert Classes