Nothing
test_that("Test NA values", {
options(stringsAsFactors=FALSE)
x <- list(foo=c(TRUE, NA, FALSE, TRUE), bar=c(3.14,NA, 42, NA), zoo=c(NA, "bla", "boe", NA))
x$mydf <- data.frame(col1=c(FALSE, NA, NA, TRUE), col2=c(1.23, NA, 23, NA))
x$mydf$mylist <- list(c(TRUE, NA, FALSE, NA), NA, c("blabla", NA), c(NA,12,13,NA,NA,NA,1001))
expect_true(validate(toJSON(x)))
expect_equal(fromJSON(toJSON(x)), x);
expect_equal(fromJSON(toJSON(x, na="null")), x);
});
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