| gives_warning {testthat} | R Documentation |
Needs to match at least one of the warnings produced by the expression.
gives_warning(regexp = NULL)
expect_warning(object, regexp = NULL, info = NULL,
label = NULL)
regexp |
optional regular expression to match. If not specified, just asserts that expression gives some warning. |
object |
object to test |
info |
extra information to be included in the message (useful when writing tests in loops). |
label |
object label. When |
Other expectations: equals,
expect_equal,
expect_equivalent,
expect_error, expect_false,
expect_identical, expect_is,
expect_match, expect_message,
expect_output, expect_true,
is_a, is_equivalent_to,
is_false, is_identical_to,
is_true, matches,
prints_text, shows_message,
takes_less_than, throws_error
expect_that(warning("a"), gives_warning())
expect_that(warning("a"), gives_warning("a"))