Nothing
library(quantmod)
api.key <- "abc"
src <- "xyz"
# {{{ Unexported function
### function name as character
### --------------------------
## default argument as character
# set
setDefaults("getQuote.av", api.key = "abc")
default.key <- getDefaults("getQuote.av")[["api.key"]]
stopifnot(identical("'abc'", default.key))
# unset
unset <- unsetDefaults("getQuote.av", confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.key <- getDefaults("getQuote.av")[["api.key"]]
stopifnot(is.null(default.key))
## default argument as symbol
# set
setDefaults("getQuote.av", api.key = api.key)
default.key <- getDefaults("getQuote.av")[["api.key"]]
stopifnot(identical(sQuote(api.key), default.key))
# unset
unset <- unsetDefaults("getQuote.av", confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.key <- getDefaults("getQuote.av")[["api.key"]]
stopifnot(is.null(default.key))
### function name as symbol
### -----------------------
## default argument as character
# set
setDefaults(getQuote.av, api.key = "abc")
default.key <- getDefaults(getQuote.av)[["api.key"]]
stopifnot(identical("'abc'", default.key))
# unset
unset <- unsetDefaults(getQuote.av, confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.key <- getDefaults(getQuote.av)[["api.key"]]
stopifnot(is.null(default.key))
## default argument as symbol
fake.key <- "abc"
# set
setDefaults(getQuote.av, api.key = fake.key)
default.key <- getDefaults(getQuote.av)[["api.key"]]
stopifnot(identical(sQuote(fake.key), default.key))
# unset
unset <- unsetDefaults(getQuote.av, confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.key <- getDefaults(getQuote.av)[["api.key"]]
stopifnot(is.null(default.key))
# }}} Unexported function
# {{{ Exported function
### function name as character
### --------------------------
## default argument as character
# set
setDefaults("getSymbols", src = "xyz")
default.src <- getDefaults("getSymbols")[["src"]]
stopifnot(identical("'xyz'", default.src))
# unset
unset <- unsetDefaults("getSymbols", confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.src <- getDefaults("getSymbols")[["src"]]
stopifnot(is.null(default.src))
## default argument as symbol
# set
setDefaults("getSymbols", src = src)
default.src <- getDefaults("getSymbols")[["src"]]
stopifnot(identical("'xyz'", default.src))
# unset
unset <- unsetDefaults("getSymbols", confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.src <- getDefaults("getSymbols")[["src"]]
stopifnot(is.null(default.src))
### function name as symbol
### -----------------------
## default argument as character
# set
setDefaults(getSymbols, src = "xyz")
default.src <- getDefaults(getSymbols)[["src"]]
stopifnot(identical("'xyz'", default.src))
# unset
unset <- unsetDefaults(getSymbols, confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.src <- getDefaults(getSymbols)[["src"]]
stopifnot(is.null(default.src))
## default argument as symbol
# set
setDefaults(getSymbols, src = src)
default.src <- getDefaults(getSymbols)[["src"]]
stopifnot(identical("'xyz'", default.src))
# unset
unset <- unsetDefaults(getSymbols, confirm = FALSE)
stopifnot(!is.null(unset)) # should not be NULL
default.src <- getDefaults(getSymbols)[["src"]]
stopifnot(is.null(default.src))
# }}} Exported function
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