--- /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 TestTimestampScalar < Test::Unit::TestCase
+ def setup
+ @data_type = Arrow::TimestampDataType.new(:milli)
+ @value = 1504953190854 # 2017-09-09T10:33:10.854Z
+ @scalar = Arrow::TimestampScalar.new(@data_type, @value)
+ end
+
+ def test_data_type
+ assert_equal(@data_type,
+ @scalar.data_type)
+ end
+
+ def test_valid?
+ assert do
+ @scalar.valid?
+ end
+ end
+
+ def test_equal
+ assert_equal(Arrow::TimestampScalar.new(@data_type, @value),
+ @scalar)
+ end
+
+ def test_to_s
+ assert_equal("2017-09-09 10:33:10.854", @scalar.to_s)
+ end
+
+ def test_value
+ assert_equal(@value, @scalar.value)
+ end
+end