r/tests/testthat/test-buffer-reader.R

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test_that("BufferReader can be created from R objects", {
  num <- BufferReader$create(numeric(13))
  int <- BufferReader$create(integer(13))
  raw <- BufferReader$create(raw(16))

  expect_r6_class(num, "BufferReader")
  expect_r6_class(int, "BufferReader")
  expect_r6_class(raw, "BufferReader")

  expect_equal(num$GetSize(), 13 * 8)
  expect_equal(int$GetSize(), 13 * 4)
  expect_equal(raw$GetSize(), 16)
})

test_that("BufferReader can be created from Buffer", {
  buf <- buffer(raw(76))
  reader <- BufferReader$create(buf)

  expect_r6_class(reader, "BufferReader")
  expect_equal(reader$GetSize(), 76)
})