1 files changed, 38 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb b/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb
new file mode 100644
index 000000000..a48b687d3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb
@@ -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.
+
+class TestCUDA < Test::Unit::TestCase
+  def setup
+    @manager = ArrowCUDA::DeviceManager.new
+    omit("At least one GPU is required") if @manager.n_devices.zero?
+    @context = @manager[0]
+  end
+
+  sub_test_case("BufferOutputStream") do
+    def setup
+      super
+      @buffer = ArrowCUDA::Buffer.new(@context, 128)
+    end
+
+    def test_new
+      ArrowCUDA::BufferOutputStream.open(@buffer) do |stream|
+        stream.write("Hello World")
+      end
+      assert_equal("Hello World", @buffer.copy_to_host(0, 11).to_s)
+    end
+  end
+end