R: Check if an R expression produces warnings or errors

has_warning {testit}

R Documentation

Check if an R expression produces warnings or errors

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")

[Package testit version 0.5 Index]