context ("Scenario of un wanted inputs")
test_that("NA values are avoided",{
expect_that(dBetaBin(NA,4,0.1,3),
throws_error("NA or Infinite or NAN values in the Input"))
})
test_that("Infinite values are avoided",{
expect_that(dBetaBin(Inf,4,0.1,3),
throws_error("NA or Infinite or NAN values in the Input"))
})
test_that("NAN values are avoided",{
expect_that(dBetaBin(NaN,4,0.1,3),
throws_error("NA or Infinite or NAN values in the Input"))
})
context("Binomial random variable or trial value issues")
test_that("Random variable higher than Trial value",{
expect_that(dBetaBin(5,4,0.2,3),
throws_error("Binomial random variable cannot be greater than binomial trial value"))
})
test_that("Negativity",{
expect_that(dBetaBin(-3,4,0.2,3),
throws_error("Binomial random variable or binomial trial value cannot be negative"))
})
test_that("Random variable higher than Trial value",{
expect_that(dBetaBin(-8,-4,0.2,3),
throws_error("Binomial random variable or binomial trial value cannot be negative"))
})
context("Shape parameter issues")
test_that("shape parameter a",{
expect_that(dBetaBin(2,4,-3,3),
throws_error("Shape parameters cannot be less than or equal to zero"))
})
test_that("shape parameter b",{
expect_that(dBetaBin(2,4,1,-3),
throws_error("Shape parameters cannot be less than or equal to zero"))
})
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