test_that("test whether calc_pesticide_leaching works", {
  expect_equal(
    calc_pesticide_leaching(B_SOILTYPE_AGR = rep('dekzand',4),
                            A_SOM_LOI = c(2,3,5,8),
                            A_CLAY_MI = rep(20,4),
                            A_SAND_MI = rep(15,4),
                            A_SILT_MI = rep(10,4),
                            D_PSP = rep(300,4),
                            M_PESTICIDES_DST = rep(FALSE,4),
                            M_MECHWEEDS = rep(FALSE,4)
    ),
    expected = c(0.9598414, 0.9137699, 0.8337817, 0.7379058),
    tolerance = 0.01
  )
  
  expect_equal(
    calc_pesticide_leaching(B_SOILTYPE_AGR = rep('dekzand',4),
                            A_SOM_LOI = rep(3,4),
                            A_CLAY_MI = rep(20,4),
                            A_SAND_MI = rep(15,4),
                            A_SILT_MI = rep(10,4),
                            D_PSP = c(50,100,400,800),
                            M_PESTICIDES_DST = rep(FALSE,4),
                            M_MECHWEEDS = rep(FALSE,4)
    ),
    expected = c(0.5821316, 0.7629755, 0.9346040, 0.9667492),
    tolerance = 0.01
  )
  
  expect_equal(
    calc_pesticide_leaching(B_SOILTYPE_AGR = rep('dekzand',4),
                            A_SOM_LOI = c(2,3,5,8),
                            A_CLAY_MI = rep(20,4),
                            A_SAND_MI = rep(15,4),
                            A_SILT_MI = rep(10,4),
                            D_PSP = rep(300,4),
                            M_PESTICIDES_DST = rep(TRUE,4),
                            M_MECHWEEDS = rep(FALSE,4)
    ),
    expected = c(0.7198810, 0.6853274, 0.6253363, 0.5534294),
    tolerance = 0.01
  )
  
})


test_that("test whether ind_petsicide_leaching works", {
  expect_equal(
    ind_pesticide_leaching(D_PESTICIDE = c(0.3,0.5,0.7,0.9)),
    expected = c(.999,0.996,0.851,0.0386),
    tolerance = 0.01
  )
  
})