/usr/lib/R/site-library/XVector/unitTests/test_slice-methods.R is in r-bioc-xvector 0.4.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | test_XDouble_slice <- function() {
## Use slice against an Rle as an easy test
x <- c(0.2, 0.5, 1, 1, 1, 1.5, 1.5, -.5, -.5, -.5, 10.2, 10.3)
r <- Rle(x)
for (lower in c(-0.5, 0, 1.2, 5)) {
double.slice <- slice(x, lower)
rle.slice <- slice(r, lower)
checkEquals(length(double.slice), length(rle.slice))
is.same <- sapply(1:length(double.slice), function(i) {
d <- as.numeric(double.slice[[i]])
r <- as.numeric(rle.slice[[i]])
checkEqualsNumeric(d, r)
})
checkTrue(all(is.same))
}
}
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