1 files changed, 36 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/go/test/tests/union_binary_test.go b/src/jaegertracing/thrift/lib/go/test/tests/union_binary_test.go
new file mode 100644
index 000000000..bdae2cb92
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/go/test/tests/union_binary_test.go
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+
+package tests
+
+import (
+	"testing"
+	"unionbinarytest"
+)
+
+
+// See https://issues.apache.org/jira/browse/THRIFT-4573
+func TestUnionBinary(t *testing.T) {
+	s := unionbinarytest.NewSample()
+	s.U1 = map[string]string{}
+	s.U2 = []byte{}
+	if n := s.CountSetFieldsSample(); n != 2 {
+		t.Errorf("Expected 2 set fields, got %d!", n)
+	}
+}