context("toJSON NA values") 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_that(fromJSON(toJSON(x)), equals(x)) expect_that(fromJSON(toJSON(x, na="null")), equals(x)) });