Nothing
test_that("test suite aad",{
subs("a",a="1+x") == as.freealg("1+x")^1
subs("aa",a="1+x") == as.freealg("1+x")^2
subs("aaa",a="1+x") == as.freealg("1+x")^3
subs("aaaa",a="1+x") == as.freealg("1+x")^4
f <- function(n){expect_true(subs(as.freealg(paste(rep("a",n),collapse="")),a="1+x") == as.freealg("1+x")^n)}
sapply(1:20,f)
foo <- function(p){
if(!(24 %in% unique(c(elements(words(p)),recursive=TRUE)))){
expect_true(subs(p,x="1+x") == p)
}
}
for(i in 1:10){
foo(rfalg(distinct=3))
}
expect_true(linear(1:3) == as.freealg('a+2b+3c'))
expect_false(linear(1:3) == as.freealg('1+a+2b+3c'))
expect_silent(pepper("pepper"))
p <- as.freealg("1 +2xy +3yx + 4xyz")
# following line produces an error but only on disordR >= 0.9-2:
# expect_error(coeffs(p)[coeffs(p)<=2] <- coeffs(p)[coeffs(p)>2] * 1000)
})
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