bf_poisson <- PoissonBernsteinFunction(eta = 0.1336104)
test_that("Initialize `PoissonBernsteinFunction`", {
expect_s4_class(bf_poisson, "PoissonBernsteinFunction")
expect_error(PoissonBernsteinFunction(eta = -0.2))
expect_error(PoissonBernsteinFunction(eta = c(0.1, 0.2)))
expect_error(PoissonBernsteinFunction(eta = Inf))
expect_error(PoissonBernsteinFunction(eta = NA))
expect_error(PoissonBernsteinFunction(eta = NaN))
})
cscale <- sqrt(2)
x <- seq(0, 10, by = 0.25)
actual_fn <- function(x, eta) {
1 - exp(-eta * x)
}
test_that("`valueOf` calculates expected values", {
expect_equal(
valueOf(bf_poisson, x),
actual_fn(x, bf_poisson@eta)
)
expect_equal(
valueOf(bf_poisson, x),
valueOf0(bf_poisson, x)
)
expect_equal(
valueOf(bf_poisson, x, cscale = cscale),
actual_fn(cscale * x, bf_poisson@eta)
)
expect_equal(
valueOf(bf_poisson, x, cscale = cscale),
valueOf(
bf_poisson, x,
cscale = cscale,
method = "levy",
tolerance = testthat_tolerance()
)
)
})
d <- 7
test_that("`exIntensities` calculates expected values", {
expect_equal(
exIntensities(bf_poisson, d),
ex_intensities_naive(actual_fn, d, eta = bf_poisson@eta)
)
expect_equal(
exIntensities(bf_poisson, d, cscale = cscale),
ex_intensities_naive(
actual_fn, d,
eta = bf_poisson@eta,
cscale = cscale
)
)
expect_equal(
exIntensities(bf_poisson, d, cscale = cscale),
exIntensities(
bf_poisson, d,
cscale = cscale,
method = "levy",
tolerance = testthat_tolerance()
)
)
})
test_that("`exQMatrix` calculates expected values", {
expect_equal(
exQMatrix(bf_poisson, d),
ex_qmatrix_naive(
actual_fn, d,
eta = bf_poisson@eta
)
)
expect_equal(
exQMatrix(bf_poisson, d, cscale = cscale),
ex_qmatrix_naive(
actual_fn, d,
cscale = cscale,
eta = bf_poisson@eta
)
)
expect_equal(
exQMatrix(bf_poisson, d, cscale = cscale),
exQMatrix(
bf_poisson, d,
cscale = cscale,
method = "levy", tolerance = testthat_tolerance()
)
)
})
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