test_that("shifting away leading zeros", {
expect_equal(remove_leading_zeros(1:3), 1:3)
expect_equal(remove_leading_zeros(0:3), 1:3)
expect_equal(remove_leading_zeros(-1:3), -1:3)
expect_equal(remove_leading_zeros(c(rep(0, 100), 1:3)), 1:3)
})
test_that("check integer", {
expect_true(.check_is_integer(1))
expect_true(.check_is_integer(1.00))
expect_false(.check_is_integer(1.001))
expect_false(.check_is_integer("1"))
expect_true(.check_is_integer(c(1.00, 100)))
expect_false(.check_is_integer(c(1.001, 100)))
})
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