if(require("suppdata") & require("testthat")){
    
    context("Dryad")

    test_that("DRYAD works and file contents are as expected (csv file)", {
        skip_on_cran()
        file  <- suppdata("10.5061/dryad.34m6j", "datafile.csv")
        expect_true(file.exists(file))
        data <- read.csv(file)
        expect_equal(dim(data), c(145,49))
    })

    test_that("DRYAD works and file contents are as expected (txt file)", {
        skip_on_cran()
        file <- suppdata("10.5061/dryad.55610", "Data (revised).txt")
        expect_true(file.exists(file))
        data <- read.delim(file)
        expect_equal(dim(data), c(740,25))
    })

    test_that("DRYAD fails for numeric SI", {
        skip_on_cran()
        expect_error(suppdata("10.5061/dryad.34m6j", si = 999), "character SI info")
    })

}