Assert_IElement_IsNull (FUN)¶
FUNCTION Assert_IElement_IsNull : BOOL
Assertion function to check that a value implementing the interface IElement is null.
- InOut:
Scope
Name
Type
Initial
Comment
Return
Assert_IElement_IsNullBOOLTRUEif the assertion passes succesfully,FALSEotherwiseInput
contextThe instance of the test function block calling this function.This instance can be provided by usingTHIS^.actualValueCOL.IElementThe value to check
wsErrorMsgWSTRING(Constants.WSTRING_LENGTH)“”
A custom error message, that is added to the error message of the assertion itself.If this parameter is used, it is recommended to adapt the value of the library parameter Constants.WSTRING_LENGTH.