isin <- c("US0378331005",
"AU0000XVGZA3",
"DE000A0C3743",
"not_an_isin")
expect_equal(unname(is_valid_ISIN(isin)),
c(TRUE, TRUE, TRUE, FALSE))
## case is ignored
expect_equal(unname(is_valid_ISIN(c("US0378331005",
"us0378331005"))),
c(TRUE, TRUE))
isin <- c("US0378331005",
"AU00x0XVGZxx")
expect_equal(unname(is_valid_ISIN(isin)),
c(TRUE, FALSE))
isin <- character(0L)
expect_equal(unname(is_valid_ISIN(isin)),
logical(0L))
isin <- NA
expect_equal(unname(is_valid_ISIN(isin)),
FALSE)
isin <- NA
expect_equal(unname(is_valid_ISIN(isin, NA.FALSE = FALSE)),
FALSE)
isin <- c(NA, "US0378331005")
expect_equal(unname(is_valid_ISIN(isin)),
c(NA, TRUE))
isin <- c(NA, "US0378331005")
expect_equal(unname(is_valid_ISIN(isin, NA.FALSE = TRUE)),
c(FALSE, TRUE))
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.