test: remove the trailing underscores in class/module name

Author: kou

test/test_generator.rb

@@ -0,0 +1,37 @@
+# Copyright 2025 Sutou Kouhei <[email protected]>
+#
+# Licensed 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 TestGenerator < Test::Unit::TestCase
+  class TestNameConvertable < self
+    class NameConverter
+      name_convertable = FlatBuffers::Generator::NameConvertable
+      include name_convertable
+
+      name_convertable.private_instance_methods(false).each do |name|
+        public name
+      end
+    end
+
+    def setup
+      @converter = NameConverter.new
+    end
+
+    sub_test_case("#to_class_name") do
+      def test_last_underscore
+        assert_equal("Struct",
+                     @converter.to_class_name("Struct_"))
+      end
+    end
+  end
+end