context("create")
test_that("create_env()", {
env <- create_env(lapply(letters, as.name), toupper)
expect_equal(env$a, "A")
expect_equal(env$x, "X")
expect_null(env$X)
expect_equal(length(ls(env)), length(letters))
expect_error(env$a <- "a", "read-only")
})
test_that("create_env() with character", {
env <- create_env(letters, toupper)
expect_equal(env$a, "A")
expect_equal(env$x, "X")
expect_null(env$X)
expect_equal(length(ls(env)), length(letters))
expect_error(env$a <- "a", "read-only")
})
test_that("create_env() with inheritance", {
env <- create_env(lapply(letters, as.name), toupper)
env2 <- create_env(lapply(LETTERS, as.name), tolower, .enclos = env)
expect_equal(get("a", env2), "A")
expect_equal(get("x", env2), "X")
expect_null(env2$a)
expect_null(env2$x)
expect_equal(env2$B, "b")
expect_equal(env2$Y, "y")
expect_equal(length(ls(env2)), length(letters))
expect_error(env2$B <- "B", "read-only")
expect_error(env2$a <- "a", NA)
expect_equal(get("a", env2), "a")
})
test_that("create_env() with local function", {
a <- function(x) b(x)
b <- function(x) c(x)
c <- function(x) toupper(x)
env <- create_env(lapply(letters, as.name), a)
expect_equal(env$a, "A")
expect_equal(env$x, "X")
expect_null(env$X)
expect_equal(length(ls(env)), length(letters))
expect_error(env$a <- "a", "read-only")
})
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