library(classInt)
set.seed(101)
x <- rnorm(50)
expect_error(print(classIntervals(x, style="box", iqr_mult=1.5, type=5, legacy=TRUE)))
expect_inherits(classIntervals(x, style="box", iqr_mult=1.5, type=5), "classIntervals")
expect_error(classIntervals(x, style="box", iqr_mult=-1))
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