Nothing
test_that("is_empty", {
expect_equal(is_empty(NULL), TRUE)
expect_equal(is_empty(""), TRUE)
expect_equal(is_empty(NA_character_), TRUE)
expect_equal(is_empty(NA_integer_), TRUE)
expect_equal(is_empty(NA_real_), TRUE)
expect_equal(is_empty(character(0)), TRUE)
expect_equal(is_empty(logical(0)), TRUE)
expect_equal(is_empty(numeric(0)), TRUE)
expect_equal(is_empty(raw(0)), TRUE)
expect_equal(is_empty(list()), TRUE)
expect_equal(is_empty(list(list())), TRUE)
expect_equal(is_empty(list(list(list(), list()))), TRUE)
expect_equal(is_empty("foo"), FALSE)
expect_equal(is_empty(123), FALSE)
expect_equal(is_empty(TRUE), FALSE)
expect_equal(is_empty(FALSE), FALSE)
expect_equal(is_empty(charToRaw("foo")), FALSE)
expect_equal(is_empty(list(1)), FALSE)
expect_equal(is_empty(list(list(list(), list(1)))), FALSE)
})
test_that("is_empty_xml", {
expect_equal(is_empty_xml(NA_character_), TRUE)
expect_equal(is_empty_xml(character(0)), TRUE)
expect_equal(is_empty(list()), TRUE)
expect_equal(is_empty(list(list())), TRUE)
expect_equal(is_empty(list(list(list(), list()))), TRUE)
expect_equal(is_empty_xml("foo"), FALSE)
expect_equal(is_empty_xml(""), FALSE)
expect_equal(is_empty_xml(list(1)), FALSE)
expect_equal(is_empty_xml(list(list(list(), list("")))), FALSE)
})
test_that("call_with_args", {
foo <- function(a) {
a
}
args <- list(a = 1, b = 2)
expect_equal(call_with_args(foo, args), 1)
foo <- function(a, b) {
a + b
}
args <- list(a = 1, b = 2)
expect_equal(call_with_args(foo, args), 3)
foo <- function(a, b, c) {
a + b
}
args <- list(a = 1, b = 2)
expect_error(
call_with_args(foo, args),
"A parameter has no corresponding element in.*"
)
})
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