1 files changed, 38 insertions, 0 deletions
diff --git a/src/arrow/r/tests/testthat/test-buffer-reader.R b/src/arrow/r/tests/testthat/test-buffer-reader.R
new file mode 100644
index 000000000..b790ed0da
--- /dev/null
+++ b/src/arrow/r/tests/testthat/test-buffer-reader.R
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+test_that("BufferReader can be created from R objects", {
+  num <- BufferReader$create(numeric(13))
+  int <- BufferReader$create(integer(13))
+  raw <- BufferReader$create(raw(16))
+
+  expect_r6_class(num, "BufferReader")
+  expect_r6_class(int, "BufferReader")
+  expect_r6_class(raw, "BufferReader")
+
+  expect_equal(num$GetSize(), 13 * 8)
+  expect_equal(int$GetSize(), 13 * 4)
+  expect_equal(raw$GetSize(), 16)
+})
+
+test_that("BufferReader can be created from Buffer", {
+  buf <- buffer(raw(76))
+  reader <- BufferReader$create(buf)
+
+  expect_r6_class(reader, "BufferReader")
+  expect_equal(reader$GetSize(), 76)
+})