Assert.AreNotEqual Method (Double, Double, Double, String)

Verifies that two specified doubles are not equal, and not within the specified accuracy of each other. The assertion fails if they are equal or within the specified accuracy of each other. 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 AreNotEqual ( _
    notExpected As Double, _
    actual As Double, _
    delta As Double, _
    message As String _
)

public static void AreNotEqual(
    double notExpected,
    double actual,
    double delta,
    string message
)

public:
static void AreNotEqual(
    double notExpected, 
    double actual, 
    double delta, 
    String^ message
)

static member AreNotEqual : 
        notExpected:float * 
        actual:float * 
        delta:float * 
        message:string -> unit

public static function AreNotEqual(
    notExpected : double, 
    actual : double, 
    delta : double, 
    message : String
)

Parameters

• notExpected
  Type: Double

  The first double to compare. This is the double the unit test expects not to match actual.

• actual
  Type: Double

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

• delta
  Type: Double

  The required inaccuracy. The assertion fails only if notExpected is equal to actual or different from it by less than delta.

• 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	notExpected is equal to actual or different from it by less than delta.

.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

AreNotEqual Overload

Microsoft.VisualStudio.TestTools.UnitTesting Namespace

Other Resources

Using the Assert Classes