65 lines
1.9 KiB
Java
65 lines
1.9 KiB
Java
/*
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* Copyright (C) 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson.functional;
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import static com.google.common.truth.Truth.assertThat;
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import com.google.gson.Gson;
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import java.util.Currency;
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import java.util.Properties;
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import org.junit.Before;
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import org.junit.Test;
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/**
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* Functional test for Json serialization and deserialization for classes in java.util
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*/
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public class JavaUtilTest {
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private Gson gson;
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@Before
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public void setUp() throws Exception {
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gson = new Gson();
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}
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@Test
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public void testCurrency() {
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CurrencyHolder target = gson.fromJson("{\"value\":\"USD\"}", CurrencyHolder.class);
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assertThat(target.value.getCurrencyCode()).isEqualTo("USD");
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String json = gson.toJson(target);
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assertThat(json).isEqualTo("{\"value\":\"USD\"}");
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// null handling
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target = gson.fromJson("{'value':null}", CurrencyHolder.class);
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assertThat(target.value).isNull();
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assertThat(gson.toJson(target)).isEqualTo("{}");
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}
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private static class CurrencyHolder {
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Currency value;
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}
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@Test
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public void testProperties() {
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Properties props = gson.fromJson("{\"a\":\"v1\",\"b\":\"v2\"}", Properties.class);
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assertThat(props.getProperty("a")).isEqualTo("v1");
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assertThat(props.getProperty("b")).isEqualTo("v2");
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String json = gson.toJson(props);
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assertThat(json).contains("\"a\":\"v1\"");
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assertThat(json).contains("\"b\":\"v2\"");
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}
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}
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