1 files changed, 47 insertions, 0 deletions
diff --git a/utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonSerializerTest.java b/utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonSerializerTest.java
new file mode 100644
index 00000000..82f5ede0
--- /dev/null
+++ b/utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonSerializerTest.java
@@ -0,0 +1,47 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.gson;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.io.StringReader;
+import org.junit.Test;
+
+public class GsonSerializerTest {
+
+    @Test
+    public void testReadJsonReader() {
+        JsonReader rdr = new JsonReader(new StringReader("10"));
+
+        GsonSerializer<Object> ser = new GsonSerializer<Object>() {
+            @Override
+            public void write(JsonWriter out, Object value) throws IOException {
+                // do nothing
+            }
+        };
+
+        assertThatThrownBy(() -> ser.read(rdr)).isInstanceOf(UnsupportedOperationException.class)
+                        .hasMessage("read from pseudo TypeAdapter");
+    }
+}