1 files changed, 40 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-arrow/test/test-sort-indices.rb b/src/arrow/ruby/red-arrow/test/test-sort-indices.rb
new file mode 100644
index 000000000..b177831fe
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-sort-indices.rb
@@ -0,0 +1,40 @@
+# 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 SortIndicesTest < Test::Unit::TestCase
+  def setup
+    @table = Arrow::Table.new(number1: [16, -1,   2, 32, -4, -4, -8],
+                              number2: [32,  2, -16,  8,  1,  4,  1])
+  end
+
+  sub_test_case("Table") do
+    test("Symbol") do
+      assert_equal(Arrow::UInt64Array.new([6, 4, 5, 1, 2, 0, 3]),
+                   @table.sort_indices(:number1))
+    end
+
+    test("-String") do
+      assert_equal(Arrow::UInt64Array.new([3, 0, 2, 1, 4, 5, 6]),
+                   @table.sort_indices("-number1"))
+    end
+
+    test("Symbol, -String") do
+      assert_equal(Arrow::UInt64Array.new([6, 5, 4, 1, 2, 0, 3]),
+                   @table.sort_indices([:number1, "-number2"]))
+    end
+  end
+end