Nothing
test_that("read file with password", {
pdf_file <- 'password.pdf'
expect_type(pdf_compress(pdf_file, tempfile(), TRUE, "userpwd"), "character")
expect_type(pdf_compress(pdf_file, tempfile(), FALSE, "userpwd"), "character")
expect_error(pdf_compress(pdf_file, tempfile(), TRUE, 'wrong'))
expect_error(pdf_compress(pdf_file, tempfile(), TRUE, ""))
expect_error(pdf_compress(pdf_file, tempfile(), TRUE, " "))
expect_error(pdf_compress(pdf_file, tempfile(), TRUE, NA))
expect_error(pdf_compress(pdf_file, tempfile(), TRUE, NULL))
})
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