Assert.IsTrue Method (Boolean, String, array<Object )

Verifies that the specified condition is true. The assertion fails if the condition is false. 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 IsTrue ( _
    condition As Boolean, _
    message As String, _
    ParamArray parameters As Object() _
)

public static void IsTrue(
    bool condition,
    string message,
    params Object[] parameters
)

public:
static void IsTrue(
    bool condition, 
    String^ message, 
    ... array<Object^>^ parameters
)

static member IsTrue : 
        condition:bool * 
        message:string * 
        parameters:Object[] -> unit

public static function IsTrue(
    condition : boolean, 
    message : String, 
    ... parameters : Object[]
)

Parameters

• condition
  Type: Boolean

  The condition to verify is true.

• 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	condition evaluates to false.

.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

IsTrue Overload

Microsoft.VisualStudio.TestTools.UnitTesting Namespace

Other Resources

Using the Assert Classes