1 files changed, 33 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-arrow/test/test-map-array.rb b/src/arrow/ruby/red-arrow/test/test-map-array.rb
new file mode 100644
index 000000000..9f4c1ff57
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-map-array.rb
@@ -0,0 +1,33 @@
+# 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 MapArrayTest < Test::Unit::TestCase
+  sub_test_case(".new") do
+    test("build") do
+      key_type = Arrow::StringDataType.new
+      item_type = Arrow::Int16DataType.new
+      data_type = Arrow::MapDataType.new(key_type, item_type)
+      values = [
+        {"a" => 0, "b" => 1},
+        nil,
+        {"c" => 0, "d" => 1}
+      ]
+      array = Arrow::MapArray.new(data_type, values)
+      assert_equal(values, array.collect {|value| value})
+    end
+  end
+end