File: test_coalesce.R

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r-cran-bbmisc 1.7-1
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context("coalesce")

test_that("coalesce", {
  expect_identical(coalesce(NULL), NULL)
  expect_identical(coalesce(1, NULL), 1)
  expect_identical(coalesce(NULL, 1), 1)
  f = function(a, b, c) coalesce(a,b,c)
  expect_identical(f(b=NULL, c=1), 1)
})