assert/check/test/Empty
Validation checks to test if a given object is empty.
testEmpty(object, errormsg = "This is not an empty set") checkEmpty(object, errormsg = "This is not an empty set") assertEmpty(object, errormsg = "This is not an empty set")
object |
object to test |
errormsg |
error message to overwrite default if check fails |
If check passes then assert returns object invisibly and test/check
return TRUE. If check fails, assert stops code with error, check returns
an error message as string, and test returns FALSE.
testEmpty(Set$new()) testEmpty(Set$new(1))
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