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/*
* ============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.gson;
import static org.junit.Assert.assertEquals;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import org.junit.Test;
public class MapDoubleAdapterFactoryTest {
private static Gson gson = new GsonBuilder().registerTypeAdapterFactory(new MapDoubleAdapterFactory()).create();
@Test
@SuppressWarnings("unchecked")
public void test() {
MyMap map = new MyMap();
map.props = new HashMap<>();
map.props.put("plainString", "def");
map.props.put("posInt", 10);
map.props.put("negInt", -10);
map.props.put("doubleVal", 12.5);
map.props.put("posLong", 100000000000L);
map.props.put("negLong", -100000000000L);
Map<String, Object> nested = new LinkedHashMap<>();
map.props.put("nestedMap", nested);
nested.put("nestedString", "world");
nested.put("nestedInt", 50);
String json = gson.toJson(map);
map.props.clear();
map = gson.fromJson(json, MyMap.class);
assertEquals(json, gson.toJson(map));
assertEquals(10, map.props.get("posInt"));
assertEquals(-10, map.props.get("negInt"));
assertEquals(100000000000L, map.props.get("posLong"));
assertEquals(-100000000000L, map.props.get("negLong"));
assertEquals(12.5, map.props.get("doubleVal"));
assertEquals(nested, map.props.get("nestedMap"));
nested = (Map<String, Object>) map.props.get("nestedMap");
assertEquals(50, nested.get("nestedInt"));
}
@Test
public void test_ValueIsNotObject() {
MyDoubleMap map = new MyDoubleMap();
map.props = new LinkedHashMap<>();
map.props.put("plainDouble", 13.5);
map.props.put("doubleAsInt", 100.0);
String json = gson.toJson(map);
map.props.clear();
map = gson.fromJson(json, MyDoubleMap.class);
// everything should still be Double - check by simply accessing
map.props.get("plainDouble");
map.props.get("doubleAsInt");
}
@Test
public void test_KeyIsNotString() {
MyObjectMap map = new MyObjectMap();
map.props = new LinkedHashMap<>();
map.props.put("plainDouble2", 14.5);
map.props.put("doubleAsInt2", 200.0);
String json = gson.toJson(map);
map.props.clear();
map = gson.fromJson(json, MyObjectMap.class);
// everything should still be Double
assertEquals(14.5, map.props.get("plainDouble2"));
assertEquals(200.0, map.props.get("doubleAsInt2"));
}
private static class MyMap {
private Map<String, Object> props;
}
private static class MyDoubleMap {
private Map<String, Double> props;
}
private static class MyObjectMap {
private Map<Object, Object> props;
}
}
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