64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
/*
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* Copyright (C) 2011 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;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import junit.framework.TestCase;
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public final class ObjectTypeAdapterTest extends TestCase {
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private final Gson gson = new GsonBuilder().create();
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private final TypeAdapter<Object> adapter = gson.getAdapter(Object.class);
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public void testDeserialize() throws Exception {
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Map<?, ?> map = (Map<?, ?>) adapter.fromJson("{\"a\":5,\"b\":[1,2,null],\"c\":{\"x\":\"y\"}}");
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assertEquals(5.0, map.get("a"));
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assertEquals(Arrays.asList(1.0, 2.0, null), map.get("b"));
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assertEquals(Collections.singletonMap("x", "y"), map.get("c"));
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assertEquals(3, map.size());
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}
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public void testSerialize() throws Exception {
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Object object = new RuntimeType();
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assertEquals("{'a':5,'b':[1,2,null]}", adapter.toJson(object).replace("\"", "'"));
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}
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public void testSerializeNullValue() throws Exception {
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Map<String, Object> map = new LinkedHashMap<>();
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map.put("a", null);
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assertEquals("{'a':null}", adapter.toJson(map).replace('"', '\''));
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}
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public void testDeserializeNullValue() throws Exception {
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Map<String, Object> map = new LinkedHashMap<>();
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map.put("a", null);
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assertEquals(map, adapter.fromJson("{\"a\":null}"));
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}
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public void testSerializeObject() throws Exception {
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assertEquals("{}", adapter.toJson(new Object()));
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}
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@SuppressWarnings("unused")
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private class RuntimeType {
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Object a = 5;
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Object b = Arrays.asList(1, 2, null);
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}
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}
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