context("test-add_col")
test_that("where controls position", {
df <- data.frame(x = 1)
expect_equal(
add_col(df, "y", 2, where = 1),
data.frame(y = 2, x = 1)
)
expect_equal(
add_col(df, "y", 2, where = 2),
data.frame(x = 1, y = 2)
)
})
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