context_start_file("fitAddBin function")
test_that("NA values are avoided",{
  expect_error(fitAddBin(0:7,c(47,54,43,40,40,41,39,95),NA,0.003),
              "NA or Infinite or NAN values in the Input")
})
test_that("Chi-squared approximation issues",{
  expect_message(fitAddBin(0:7,c(47,54,43,40,40,41,39,95),0.1,0.003),
              "Chi-squared approximation is not suitable because expected frequency approximates to zero")
})
test_that("Chi-squared approximation issues",{
  expect_message(fitAddBin(0:7,c(47,54,43,40,40,41,39,95),0.2,0.03),
              "Chi-squared approximation may be doubtful because expected frequency is less than 5")
})
test_that("Degree of freedom less than zero",{
  expect_error(fitAddBin(c(0,1,2),c(11,10,12),0.41,0.03),
              "Degrees of freedom cannot be less than or equal to zero")
})
test_that("runs smoothly",{
  expect_no_error(fitAddBin(0:7,c(47,12,43,40,40,41,39,95),0.5,0.15))
})