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/*
* Copyright (C) 2015 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 java.util.Currency;
import java.util.Properties;
import com.google.gson.Gson;
import junit.framework.TestCase;
/**
* Functional test for Json serialization and deserialization for classes in java.util
*/
public class JavaUtilTest extends TestCase {
private Gson gson;
@Override
protected void setUp() throws Exception {
super.setUp();
gson = new Gson();
}
public void testCurrency() throws Exception {
CurrencyHolder target = gson.fromJson("{'value':'USD'}", CurrencyHolder.class);
assertEquals("USD", target.value.getCurrencyCode());
String json = gson.toJson(target);
assertEquals("{\"value\":\"USD\"}", json);
// null handling
target = gson.fromJson("{'value':null}", CurrencyHolder.class);
assertNull(target.value);
assertEquals("{}", gson.toJson(target));
}
private static class CurrencyHolder {
Currency value;
}
public void testProperties() {
Properties props = gson.fromJson("{'a':'v1','b':'v2'}", Properties.class);
assertEquals("v1", props.getProperty("a"));
assertEquals("v2", props.getProperty("b"));
String json = gson.toJson(props);
assertTrue(json.contains("\"a\":\"v1\""));
assertTrue(json.contains("\"b\":\"v2\""));
}
}
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