has_warning {testit} | R Documentation |
The two functions has_warning()
and has_error()
check if an
expression produces warnings and errors, respectively.
has_warning(expr) has_error(expr)
expr |
an R expression |
A logical value.
has_warning(1 + 1) has_warning(1:2 + 1:3) has_error(2 - 3) has_error(1 + "a")