context("Scenario of un wanted inputs")
test_that("NA values are avoided",{
        expect_that(dUNI(NA),
        throws_error("NA or Infinite or NAN values in the Input"))
        })
test_that("Infinite values are avoided",{
        expect_that(dUNI(Inf),
        throws_error("NA or Infinite or NAN values in the Input"))
        })
test_that("NAN values are avoided",{
        expect_that(dUNI(NaN),
        throws_error("NA or Infinite or NAN values in the Input"))
        })

context("Scenario of invalid inputs")
test_that("Greater than 1",{
        expect_that(dUNI(3),
        throws_error("Invalid values in the input"))
        })
test_that("Lesser than 1",{
        expect_that(dUNI(-3),
        throws_error("Invalid values in the input"))
        })