Assert_Real_Equal (FUN)¶
FUNCTION Assert_Real_Equal : BOOL
Assertion function to check equality of two values of type
REAL
The assertion passes for
(referenceValue - precision) <= actualValue AND (referenceValue + precision) >= actualValue
- InOut:
Scope
Name
Type
Initial
Comment
Return
Assert_Real_Equal
BOOL
TRUE
if the assertion passes succesfully,FALSE
otherwiseInput
context
The instance of the test function block calling this function.This instance can be provided by usingTHIS^
.referenceValue
REAL
The expected value
actualValue
REAL
The value to check
precision
REAL
0.0
A value to specify an allowed deviation. Default is 0.0
wsErrorMsg
WSTRING(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.