context("def_sym()")
test_that("small", {
skip_if_no_sympy()
expect_equal(length(ls()), 0L)
def_sym(n1, n2, n3)
expect_equal(length(ls()), 3L)
def_sym("x1", "x2", "x3")
expect_equal(length(ls()), 6L)
expect_warning(def_sym("x1", "x2", "x3", warn = TRUE))
})
test_that("charvec", {
skip_if_no_sympy()
def_sym(charvec = c("x1", "x2", "x3"))
expect_equal(length(ls()), 3L)
})
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.