#-----------------------------------
### Testing sfExtremeValue function
#-----------------------------------
testthat::test_that("Test: alpha - Testing incorrect variable type,
out-of-range variable value", {
testthat::expect_error(gsDesign::sfExtremeValue(alpha = "abc", t = c(.1, .4),
param = c(0.1, 0.2)),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = 0, t = c(.1, .4),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = -1, t = c(.1, .4),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
})
# t is numeric vector
testthat::test_that("Test: t - Testing incorrect variable type, out-of-range variable value, order of the list", {
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c("a", "b"),
param = c(0.1, 0.2)),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(-.5, .75),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(-.75, 1),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(-1, -6),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
})
# param is numeric , positive, of length 2 or 4 vector. Value ranges from 0 to 1(including)
testthat::test_that("Test: param - Testing incorrect variable type,
out-of-range variable value", {
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c("a", "b")),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = 4),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = .4),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(.4)),
info = "Checking for length of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(.2, .55, .75)),
info = "Checking for length of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(.2, .45, .55, 0.75, 0.85)),
info = "Checking for length of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(1, 0)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(1, -5)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(-3, -1)), ## param should be positivie
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(NULL, 0.2, 0.05, .4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(0.2, 0.05, NULL, .4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(0.1, 0.01, 0.1, 0.4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(0.01, 0.1, 0.4, 0.1)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(0.01, -0.1, 0.1, 0.4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfExtremeValue(alpha = .025, t = c(.1, .4),
param = c(0.4, 0.1, 0.1, 0.4)),
info = "Checking for out-of-range of the variable"
)
})
testthat::test_that("Test: output validation param length as 2,
Source: helper.R", {
t <- c(0.2, 0.15, .75, 1)
param<-c(0.1, 0.2)
alpha<-0.02
sp <- gsDesign::sfExtremeValue(alpha, t, param)$spend
expected_sp <- validate_sfExtremeValue(alpha, t, param)
expect_equal(sp,expected_sp)
})
testthat::test_that("Test: output validation param length as 4,
Source: helper.R", {
t <- c(0.2, 0.15, 0.75, 1)
param<-c(0.1, 0.2, 0.2, 0.3)
alpha<-0.02
sp <- gsDesign::sfExtremeValue(alpha, t, param)$spend
expected_sp <- validate_sfExtremeValue(alpha, t, param)
expect_equal(sp,expected_sp)
})
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