THRIFT-5253 using Result in result name generates wrong IAsync interface
Client: netstd
Patch: Jens Geyer

This closes #2202
diff --git a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift
new file mode 100644
index 0000000..bf77302
--- /dev/null
+++ b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift5253.thrift
@@ -0,0 +1,45 @@
+# 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.
+
+// Testcase for THRIFT-5253 using Result in result name generates wrong IAsync interface
+
+namespace * Thrift5253
+
+
+// this works
+struct WorksArrrgs { 1: i32 foo }
+struct WorksRslt   { 1: i32 foo }
+
+// this does not
+struct BrokenResult{ 1: i32 foo }
+struct BrokenArgs  { 1: i32 foo }
+
+struct InternalStructs { 1: optional i32 foo }
+struct AsyncProcessor  { 1: optional i32 foo }
+struct Client          { 1: optional i32 foo }
+struct IAsync          { 1: optional i32 foo }
+
+
+service MyService{
+    BrokenResult Broken( 1 : BrokenArgs  foo)
+    WorksRslt     Works( 1 : WorksArrrgs foo)
+
+	InternalStructs InternalStructs( 1: InternalStructs foo)
+	AsyncProcessor  AsyncProcessor ( 1: AsyncProcessor  foo)
+	Client          Client         ( 1: Client  foo)
+	IAsync          IAsync         ( 1: IAsync  foo)
+}
+