Nothing
# Note about numeric precision
# In the unit tests we use digits=10. Lowever values will result in problems for some datasets
test_that("fromJSON Matrix", {
objects <- list(
matrix(1),
matrix(1:2),
matrix(1:2, nrow = 1),
matrix(round(pi, 2)),
matrix(c(1, NA, 2, NA), 2),
volcano,
matrix(NA)
)
lapply(objects, function(object) {
newobject <- fromJSON(toJSON(object))
expect_true(inherits(newobject, "matrix"))
expect_equal(object, newobject)
})
expect_equal(fromJSON(toJSON(objects)), objects)
})
test_that("fromJSON Matrix with simplifyMatrix=FALSE", {
expect_equal(fromJSON(toJSON(matrix(1)), simplifyMatrix = FALSE), list(1))
expect_equal(fromJSON(toJSON(matrix(1)), simplifyVector = FALSE), list(list((1))))
expect_equal(fromJSON(toJSON(matrix(NA)), simplifyMatrix = FALSE), list(NA))
expect_equal(fromJSON(toJSON(matrix(NA)), simplifyVector = FALSE), list(list((NULL))))
})
test_that("fromJSON Matrix datasets", {
objects <- Filter(is.matrix, lapply(ls("package:datasets"), get))
lapply(objects, function(object) {
class(object) <- "matrix"
newobject <- fromJSON(toJSON(object, digits = 4))
expect_true(inherits(newobject, "matrix"))
expect_equal(dim(newobject), dim(object))
attributes(newobject) <- attributes(object)
# R has changed rounding algo in 4.0 and no longer matches printf
#expect_equal(newobject, round(object,4));
expect_equal(newobject, object, tolerance = 1e-4)
})
})
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