jonkeane commented on a change in pull request #11898:
URL: https://github.com/apache/arrow/pull/11898#discussion_r772425342
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File path: r/tests/testthat/test-data-type.R
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@@ -386,20 +386,34 @@ test_that("DictionaryType validation", {
test_that("decimal type and validation", {
expect_r6_class(decimal(4, 2), "Decimal128Type")
+ expect_r6_class(decimal(39, 2), "Decimal256Type")
- expect_error(decimal("four"), '"precision" must be an integer')
- expect_error(decimal(4, "two"), '"scale" must be an integer')
- expect_error(decimal(NA, 2), '"precision" must be an integer')
- expect_error(decimal(4, NA), '"scale" must be an integer')
+ expect_error(decimal("four"), "`precision` must be an integer")
+ expect_error(decimal(4, "two"), "`scale` must be an integer")
+ expect_error(decimal(NA, 2), "`precision` must be an integer")
+ expect_error(decimal(4, NA), "`scale` must be an integer")
+
+ # decimal() creates either decimal128 or decimal256 based on precision
+ expect_identical(class(decimal(38, 2)), class(decimal128(38, 2)))
+ expect_identical(class(decimal(39, 2)), class(decimal256(38, 2)))
- # decimal() is just an alias for decimal128() for backwards compatibility
expect_r6_class(decimal128(4, 2), "Decimal128Type")
- expect_identical(class(decimal(2, 4)), class(decimal128(2, 4)))
- expect_error(decimal128("four"), '"precision" must be an integer')
- expect_error(decimal128(4, "two"), '"scale" must be an integer')
- expect_error(decimal128(NA, 2), '"precision" must be an integer')
- expect_error(decimal128(4, NA), '"scale" must be an integer')
+ expect_error(decimal128("four"), "`precision` must be an integer")
+ expect_error(decimal128(4, "two"), "`scale` must be an integer")
+ expect_error(decimal128(NA, 2), "`precision` must be an integer")
+ expect_error(decimal128(4, NA), "`scale` must be an integer")
+ expect_error(decimal128(3:4, NA), "`precision` must have size 1. not size 2")
+ expect_error(decimal128(4, 2:3), "`scale` must have size 1. not size 2")
+
+ expect_r6_class(decimal256(4, 2), "Decimal256Type")
+
+ expect_error(decimal256("four"), "`precision` must be an integer")
+ expect_error(decimal256(4, "two"), "`scale` must be an integer")
+ expect_error(decimal256(NA, 2), "`precision` must be an integer")
+ expect_error(decimal256(4, NA), "`scale` must be an integer")
+ expect_error(decimal256(3:4, NA), "`precision` must have size 1. not size 2")
+ expect_error(decimal256(4, 2:3), "`scale` must have size 1. not size 2")
Review comment:
Ooops, the GH interface hadn't updated before I sent that, thanks for
the Jira!
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