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## Test eyelinker utility functions ##
# Test interval checking function
test_that("test_whichInterval", {
# Create a set of test invervals
start <- c(0, 1, 2)
end <- c(.5, 1.3, 3)
intv <- cbind(start, end)
# Test interval identification
expect_equal(whichInterval(2.5, intv), 3) # check if 2.5 in 3rd interval
expect_equal(whichInterval(0, intv), 1) # check if 0 in 1st interval
expect_equal(whichInterval(1.3, intv), 2) # check if 1.3 in 2nd interval
# Test for NA when number not within any interval
expect_equal(is.na(whichInterval(1.6, intv)), TRUE)
# Test vector input
x <- c(0, 2.1, 1.2, 0.4)
tst_intervals <- whichInterval(x, intv)
expect_equal(tst_intervals, c(1, 3, 2, 1))
# Test integer input
expect_equal(whichInterval(0L, intv), 1) # check if 0 in 1st interval
# Test tidyverse-style alias
expect_equal(which_interval(2.5, intv), 3)
})
# Test operator for checking if values fall in any of a set of intervals
test_that("test_In_operator", {
# Create a set of test invervals
start <- c(0, 1, 2)
end <- c(.5, 1.3, 3)
intv <- cbind(start, end)
# Test wheter values fall within any intervals
expect_equal(0.5 %In% intv, TRUE)
expect_equal(0.6 %In% intv, FALSE)
# Test vector input
values <- c(5, 0, 0.8, 1.2, 1.8, 2.3)
expected <- c(FALSE, TRUE, FALSE, TRUE, FALSE, TRUE)
expect_equal(values %In% intv, expected)
# Test integer input
expect_equal(0L %In% intv, TRUE)
# Test tidyverse-style alias
expect_equal(0.5 %within% intv, TRUE)
})
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