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/*
* Copyright (C) 2010 Google Inc.
*
* 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.
*/
package com.google.gson.protobuf.functional;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.protobuf.ProtoTypeAdapter;
import com.google.gson.protobuf.ProtoTypeAdapter.EnumSerialization;
import com.google.gson.protobuf.generated.Bag.SimpleProto;
import com.google.protobuf.Descriptors.Descriptor;
import com.google.protobuf.GeneratedMessageV3;
import org.junit.Before;
import org.junit.Test;
public class ProtosWithPrimitiveTypesTest {
private Gson gson;
@Before
public void setUp() throws Exception {
gson = new GsonBuilder().registerTypeHierarchyAdapter(
GeneratedMessageV3.class, ProtoTypeAdapter.newBuilder()
.setEnumSerialization(EnumSerialization.NUMBER)
.build())
.create();
}
@Test
public void testSerializeEmptyProto() {
SimpleProto proto = SimpleProto.newBuilder().build();
String json = gson.toJson(proto);
assertEquals("{}", json);
}
@Test
public void testDeserializeEmptyProto() {
SimpleProto proto = gson.fromJson("{}", SimpleProto.class);
assertFalse(proto.hasCount());
assertFalse(proto.hasMsg());
}
@Test
public void testSerializeProto() {
Descriptor descriptor = SimpleProto.getDescriptor();
SimpleProto proto = SimpleProto.newBuilder()
.setCount(3)
.setMsg("foo")
.build();
String json = gson.toJson(proto);
assertTrue(json.contains("\"msg\":\"foo\""));
assertTrue(json.contains("\"count\":3"));
}
@Test
public void testDeserializeProto() {
SimpleProto proto = gson.fromJson("{msg:'foo',count:3}", SimpleProto.class);
assertEquals("foo", proto.getMsg());
assertEquals(3, proto.getCount());
}
@Test
public void testDeserializeWithExplicitNullValue() {
SimpleProto proto = gson.fromJson("{msg:'foo',count:null}", SimpleProto.class);
assertEquals("foo", proto.getMsg());
assertEquals(0, proto.getCount());
}
}
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