Nothing
# modelled on mvp/tests/testthat/test_aad.R which tests specific
# identities.
test_that("Test suite zzz, specific identities and miscellaneous checks",{
expect_true(is_ok_free(list(),coeffs=1))
expect_true(
freealg(list(1,c(1,2)),c(4,5))==freealg(list(1,c(1,0,2)),c(4,5))
)
expect_silent(x <- as.freealg(list(list(1,1:2),1:2)))
expect_silent(x <- as.freealg(1:6))
expect_silent(x <- freealg(list(1,c(1,0,2)),c(4,5)))
expect_true(is.constant(as.freealg("7")))
expect_true(is.constant(as.freealg("0")))
expect_true(is.constant(3))
expect_true(is.constant(0))
expect_error(as.freealg(sin))
x <- as.freealg("1+x+2ax")
y <- as.freealg("2+x+2ax")
expect_false(is.constant(x))
expect_error(coeffs(x) <- seq_along(coeffs(x)))
expect_silent(coeffs(x) <- coeffs(x) + 3)
expect_error(coeffs(x) <- coeffs(y))
expect_true(horner("x+y",1:3) == as.freealg("1 + 2x + 2y + 3xy + 3xx + 3yx + 3yy"))
})
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