--- /dev/null
+# 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 TestDecimal256DataType < Test::Unit::TestCase
+ def test_type
+ data_type = Arrow::Decimal256DataType.new(2, 0)
+ assert_equal(Arrow::Type::DECIMAL256, data_type.id)
+ end
+
+ def test_name
+ data_type = Arrow::Decimal256DataType.new(2, 0)
+ assert_equal("decimal256", data_type.name)
+ end
+
+ def test_to_s
+ data_type = Arrow::Decimal256DataType.new(2, 0)
+ assert_equal("decimal256(2, 0)", data_type.to_s)
+ end
+
+ def test_precision
+ data_type = Arrow::Decimal256DataType.new(8, 2)
+ assert_equal(8, data_type.precision)
+ end
+
+ def test_scale
+ data_type = Arrow::Decimal256DataType.new(8, 2)
+ assert_equal(2, data_type.scale)
+ end
+end