2008-09-01 05:13:32 +02:00
|
|
|
/*
|
|
|
|
* 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;
|
|
|
|
|
|
|
|
import com.google.gson.reflect.TypeToken;
|
|
|
|
import java.lang.reflect.Type;
|
|
|
|
import java.util.HashMap;
|
|
|
|
import java.util.Map;
|
2011-09-11 09:04:56 +02:00
|
|
|
import junit.framework.TestCase;
|
2008-09-01 05:13:32 +02:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Unit test for the default JSON map serialization object located in the
|
|
|
|
* {@link DefaultTypeAdapters} class.
|
|
|
|
*
|
|
|
|
* @author Joel Leitch
|
|
|
|
*/
|
|
|
|
public class DefaultMapJsonSerializerTest extends TestCase {
|
2011-09-11 09:04:56 +02:00
|
|
|
private Gson gson = new Gson();
|
2008-09-01 05:13:32 +02:00
|
|
|
|
|
|
|
public void testEmptyMapNoTypeSerialization() {
|
|
|
|
Map<String, String> emptyMap = new HashMap<String, String>();
|
2011-09-11 09:04:56 +02:00
|
|
|
JsonElement element = gson.toJsonTree(emptyMap, emptyMap.getClass());
|
2008-10-22 00:37:41 +02:00
|
|
|
assertTrue(element instanceof JsonObject);
|
|
|
|
JsonObject emptyMapJsonObject = (JsonObject) element;
|
|
|
|
assertTrue(emptyMapJsonObject.entrySet().isEmpty());
|
2008-09-01 05:13:32 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
public void testEmptyMapSerialization() {
|
|
|
|
Type mapType = new TypeToken<Map<String, String>>() { }.getType();
|
|
|
|
Map<String, String> emptyMap = new HashMap<String, String>();
|
2011-09-11 09:04:56 +02:00
|
|
|
JsonElement element = gson.toJsonTree(emptyMap, mapType);
|
2008-09-01 05:13:32 +02:00
|
|
|
|
|
|
|
assertTrue(element instanceof JsonObject);
|
|
|
|
JsonObject emptyMapJsonObject = (JsonObject) element;
|
|
|
|
assertTrue(emptyMapJsonObject.entrySet().isEmpty());
|
|
|
|
}
|
2011-09-11 09:04:56 +02:00
|
|
|
|
2011-02-11 19:22:58 +01:00
|
|
|
public void testNonEmptyMapSerialization() {
|
|
|
|
Type mapType = new TypeToken<Map<String, String>>() { }.getType();
|
|
|
|
Map<String, String> myMap = new HashMap<String, String>();
|
|
|
|
String key = "key1";
|
|
|
|
myMap.put(key, "value1");
|
|
|
|
Gson gson = new Gson();
|
|
|
|
JsonElement element = gson.toJsonTree(myMap, mapType);
|
|
|
|
|
|
|
|
assertTrue(element.isJsonObject());
|
|
|
|
JsonObject mapJsonObject = element.getAsJsonObject();
|
|
|
|
assertTrue(mapJsonObject.has(key));
|
|
|
|
}
|
2008-09-01 05:13:32 +02:00
|
|
|
}
|