paleolimbot commented on code in PR #15211:
URL: https://github.com/apache/arrow/pull/15211#discussion_r1067012468
##########
r/tests/testthat/test-Array.R:
##########
@@ -1321,3 +1321,19 @@ test_that("Array to C-interface", {
delete_arrow_schema(schema_ptr)
delete_arrow_array(array_ptr)
})
+
+test_that("direct creation of Decimal Arrays (ARROW-11631)", {
+
+ decimal_array <- Array$create(1, type = decimal128(10, 2))
+ decimal_array2 <- Array$create(1, type = decimal256(10, 2))
+
+ expect_equal(
Review Comment:
Because there's a branch for ALTREP, maybe `decimal_array2` could be
`Array$create(1:10, type = decimal128(10, 2))`?
##########
r/tests/testthat/test-Array.R:
##########
@@ -1321,3 +1321,19 @@ test_that("Array to C-interface", {
delete_arrow_schema(schema_ptr)
delete_arrow_array(array_ptr)
})
+
+test_that("direct creation of Decimal Arrays (ARROW-11631)", {
+
+ decimal_array <- Array$create(1, type = decimal128(10, 2))
+ decimal_array2 <- Array$create(1, type = decimal256(10, 2))
Review Comment:
Could the test Array include an `NA` and something whose precision might get
truncated (i.e, maybe `Array$create(c(1, 1 / 3, NA), type = decimal128(10,
2))`)? (The `NA` is to get full test coverage since there's a branch for nulls
in the C++; the truncation is to check that `type` gets passed through
properly).
The purpose of `decimal_array2` isn't clear to me here...am I missing
something?
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