context_start_file("pBetaBin function")
test_that("checking value",{
  expect_identical(round(pBetaBin(2,4,0.5,0.4),4),0.5056)
})
test_that("checking class",{
  expect_type(pBetaBin(2,4,0.5,0.1),"double")
})
test_that("checking length of output",{
  expect_equal(length(pBetaBin(1:2,4,0.5,1)),2)
})
test_that("NA values are avoided",{
  expect_error(pBetaBin(1,NA,0.1,3),"NA or Infinite or NAN values in the Input")
})
test_that("Random variable higher than Trial value",{
  expect_error(pBetaBin(5,4,0.2,3),"Binomial random variable cannot be greater than binomial trial value")
})
test_that("Negativity",{
  expect_error(pBetaBin(-3,4,0.2,3),"Binomial random variable or binomial trial value cannot be negative")
})
test_that("shape parameter a",{
  expect_error(pBetaBin(2,4,-3,3),"Shape parameters cannot be less than or equal to zero")
})