throws_error {testthat} | R Documentation |
Expectation: does expression throw an error?
throws_error(regexp = NULL) expect_error(object, regexp = NULL, info = NULL, label = NULL)
regexp |
optional regular expression to match. If not specified, just asserts that expression throws some error. |
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_false
,
expect_identical
, expect_is
,
expect_match
, expect_message
,
expect_output
, expect_true
,
expect_warning
,
gives_warning
, is_a
,
is_equivalent_to
, is_false
,
is_identical_to
, is_true
,
matches
, prints_text
,
shows_message
,
takes_less_than
expect_that(log("a"), throws_error()) expect_error(log("a")) expect_that(log("a"), throws_error("Non-numeric argument")) expect_error(log("a"), "Non-numeric argument")