Nothing
library(settings)
opt <- options_manager(foo=1,bar=2)
expect_error(opt("baz"),
pattern="baz",
info="Options that do not exist give an error.")
opt <- options_manager(foo=1,bar=NULL)
expect_null(opt("bar"),
info="Initially setting an option to NULL works (individual option output)")
expect_equal(opt(),
list(foo=1, bar=NULL),
info="Initially setting an option to NULL works (all options output)")
opt <- options_manager(foo=1,bar=NULL)
opt(foo=NULL)
expect_null(opt("foo"),
info="Setting an option to NULL after the initial setup works (individual option output).")
expect_equal(opt(),
list(foo=NULL, bar=NULL),
info="Setting an option to NULL after the initial setup works (all options output).")
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