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