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/*
* Copyright (C) 2008 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.functional;
import static org.junit.Assert.assertEquals;
import com.google.gson.Gson;
import org.junit.Before;
import org.junit.Test;
/**
* Functional tests involving interfaces.
*
* @author Inderjeet Singh
* @author Joel Leitch
*/
public class InterfaceTest {
private static final String OBJ_JSON = "{\"someStringValue\":\"StringValue\"}";
private Gson gson;
private TestObject obj;
@Before
public void setUp() throws Exception {
gson = new Gson();
obj = new TestObject("StringValue");
}
@Test
public void testSerializingObjectImplementingInterface() throws Exception {
assertEquals(OBJ_JSON, gson.toJson(obj));
}
@Test
public void testSerializingInterfaceObjectField() throws Exception {
TestObjectWrapper objWrapper = new TestObjectWrapper(obj);
assertEquals("{\"obj\":" + OBJ_JSON + "}", gson.toJson(objWrapper));
}
private static interface TestObjectInterface {
// Holder
}
private static class TestObject implements TestObjectInterface {
@SuppressWarnings("unused")
private String someStringValue;
private TestObject(String value) {
this.someStringValue = value;
}
}
private static class TestObjectWrapper {
@SuppressWarnings("unused")
private TestObjectInterface obj;
private TestObjectWrapper(TestObjectInterface obj) {
this.obj = obj;
}
}
}
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