jonkeane commented on a change in pull request #12240: URL: https://github.com/apache/arrow/pull/12240#discussion_r791021403
########## File path: r/tests/testthat/test-Array.R ########## @@ -985,3 +985,14 @@ test_that("Array to C-interface", { delete_arrow_schema(schema_ptr) delete_arrow_array(array_ptr) }) + +test_that("Array coverts timestamps with missing timezone /assumed local tz correctly", { + withr::with_envvar(c(TZ = "America/Chicago"), { + a <- as.POSIXct("1970-01-01 00:00:00") + attr(a, "tzone") <- Sys.getenv("TZ") Review comment: This is a good first step, but would it be better to have two timestamps here? One that was created with `TZ` unset, and then one where we specifically set the timezone with `attr(b, "tzone"), Sys.timezone())` And confirm that those two arrays are equal? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org