diff --git a/apis/r/tests/testthat/test-shape.R b/apis/r/tests/testthat/test-shape.R
index b2ad4f8f8e..535f46d334 100644
--- a/apis/r/tests/testthat/test-shape.R
+++ b/apis/r/tests/testthat/test-shape.R
@@ -183,8 +183,8 @@ test_that("SOMADataFrame shape", {
             expect_equal(int_mxd, int_dfc)
           }
         } else {
-            expect_true(int_mxd[[1]] < -2000000000)
-            expect_true(int_mxd[[2]] > 2000000000)
+          expect_true(int_mxd[[1]] < -2000000000)
+          expect_true(int_mxd[[2]] > 2000000000)
         }
       }
 
@@ -202,7 +202,7 @@ test_that("SOMADataFrame shape", {
             expect_equal(str_dom, c("", ""))
           } else {
             if (is.null(str_dfc)) {
-                expect_equal(str_dom, c("", ""))
+              expect_equal(str_dom, c("", ""))
             } else {
               expect_equal(str_dom, str_dfc)
             }
@@ -213,6 +213,63 @@ test_that("SOMADataFrame shape", {
 
       sdf$close()
 
+      # Test resize for dataframes (more general upgrade_domain to be tested
+      # separately -- see https://github.com/single-cell-data/TileDB-SOMA/issues/2407)
+      if (.new_shape_feature_flag_is_enabled() && use_domain_at_create) {
+        has_soma_joinid_dim <- "soma_joinid" %in% index_column_names
+        sjid_dfc <- domain_for_create[["soma_joinid"]]
+
+        # Test resize down
+        new_shape <- 0
+        sdf <- SOMADataFrameOpen(uri, "WRITE")
+        if (has_soma_joinid_dim) {
+          # It's an error to downsize
+          expect_error(sdf$resize_soma_joinid(new_shape))
+        } else {
+          # There is no problem when soma_joinid is not a dim --
+          # sdf$resize_soma_joinid is a no-op in that case
+          expect_no_condition(sdf$resize_soma_joinid(new_shape))
+        }
+        sdf$close()
+
+        if (has_soma_joinid_dim) {
+          sdf <- SOMADataFrameOpen(uri, "READ")
+          expect_equal(sdf$domain()[["soma_joinid"]], sjid_dfc)
+          sdf$close()
+        }
+
+        # Test writes out of bounds, before resize
+        new_shape <- 100
+        if (has_soma_joinid_dim) {
+          new_shape <- domain_for_create[["soma_joinid"]][[2]] + 1 + 100
+        }
+
+        tbl1 <- arrow::arrow_table(
+          int_column = 5L:8L,
+          soma_joinid = (new_shape+1L):(new_shape+4L),
+          float_column = 5.1:8.1,
+          string_column = c("egg", "flag", "geese", "hay"),
+          schema = asch)
+
+        sdf <- SOMADataFrameOpen(uri, "WRITE")
+        # Current status: debug
+        expect_error(sdf$write(tbl1))
+        sdf$close()
+
+        # Test resize
+
+        sdf <- SOMADataFrameOpen(uri, "WRITE")
+        sdf$resize_soma_joinid(new_shape)
+        sdf$close();
+
+        # Test writes out of old bounds, within new bounds, after resize
+        sdf <- SOMADataFrameOpen(uri, "WRITE")
+        expect_no_condition(sdf$write(tbl1))
+        sdf$close();
+
+        rm(tbl1)
+      }
+
       rm(sdf, tbl0)
 
       gc()