1 files changed, 94 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-arrow/test/test-struct-array.rb b/src/arrow/ruby/red-arrow/test/test-struct-array.rb
new file mode 100644
index 000000000..2c01f33ef
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-struct-array.rb
@@ -0,0 +1,94 @@
+# 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 StructArrayTest < Test::Unit::TestCase
+  sub_test_case(".new") do
+    test("build") do
+      data_type = Arrow::StructDataType.new(visible: :boolean,
+                                            count: :uint64)
+      values = [
+        [true, 1],
+        nil,
+        [false, 2],
+      ]
+      array = Arrow::StructArray.new(data_type, values)
+      assert_equal([
+                     [true, false, false],
+                     [1, 0, 2],
+                   ],
+                   [
+                     array.find_field(0).to_a,
+                     array.find_field(1).to_a,
+                   ])
+    end
+  end
+
+  sub_test_case("instance methods") do
+    def setup
+      @data_type = Arrow::StructDataType.new(visible: {type: :boolean},
+                                             count: {type: :uint64})
+      @values = [
+        [true, 1],
+        [false, 2],
+      ]
+      @array = Arrow::StructArray.new(@data_type, @values)
+    end
+
+    test("#[]") do
+      assert_equal([
+                     {"visible" => true,  "count" => 1},
+                     {"visible" => false, "count" => 2},
+                   ],
+                   @array.to_a)
+    end
+
+    test("#get_value") do
+      assert_equal([
+                     {"visible" => true,  "count" => 1},
+                     {"visible" => false, "count" => 2},
+                   ],
+                   [
+                     @array.get_value(0),
+                     @array.get_value(1),
+                   ])
+    end
+
+    sub_test_case("#find_field") do
+      test("Integer") do
+        assert_equal([
+                       [true, false],
+                       [1, 2],
+                     ],
+                     [
+                       @array.find_field(0).to_a,
+                       @array.find_field(1).to_a,
+                     ])
+      end
+
+      test("String, Symbol") do
+        assert_equal([
+                       [true, false],
+                       [1, 2],
+                     ],
+                     [
+                       @array.find_field("visible").to_a,
+                       @array.find_field(:count).to_a,
+                     ])
+      end
+    end
+  end
+end