```
# NOT RUN {
jsoncars <- serializeJSON(mtcars)
mtcars2 <- unserializeJSON(jsoncars)
identical(mtcars, mtcars2)
set.seed('123')
myobject <- list(
mynull = NULL,
mycomplex = lapply(eigen(matrix(-rnorm(9),3)), round, 3),
mymatrix = round(matrix(rnorm(9), 3),3),
myint = as.integer(c(1,2,3)),
mydf = cars,
mylist = list(foo='bar', 123, NA, NULL, list('test')),
mylogical = c(TRUE,FALSE,NA),
mychar = c('foo', NA, 'bar'),
somemissings = c(1,2,NA,NaN,5, Inf, 7 -Inf, 9, NA),
myrawvec = charToRaw('This is a test')
);
identical(unserializeJSON(serializeJSON(myobject)), myobject);
# }
```

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