| /* |
| * Copyright (C) 2010 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.Arrays; |
| import java.util.Collection; |
| |
| import junit.framework.TestCase; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.reflect.TypeToken; |
| |
| /** |
| * Unit tests to validate serialization of parameterized types without explicit types |
| * |
| * @author Inderjeet Singh |
| */ |
| public class RawSerializationTest extends TestCase { |
| |
| private Gson gson; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| gson = new Gson(); |
| } |
| |
| public void testCollectionOfPrimitives() { |
| Collection<Integer> ints = Arrays.asList(1, 2, 3, 4, 5); |
| String json = gson.toJson(ints); |
| assertEquals("[1,2,3,4,5]", json); |
| } |
| |
| public void testCollectionOfObjects() { |
| Collection<Foo> foos = Arrays.asList(new Foo(1), new Foo(2)); |
| String json = gson.toJson(foos); |
| assertEquals("[{\"b\":1},{\"b\":2}]", json); |
| } |
| |
| public void testParameterizedObject() { |
| Bar<Foo> bar = new Bar<>(new Foo(1)); |
| String expectedJson = "{\"t\":{\"b\":1}}"; |
| // Ensure that serialization works without specifying the type explicitly |
| String json = gson.toJson(bar); |
| assertEquals(expectedJson, json); |
| // Ensure that serialization also works when the type is specified explicitly |
| json = gson.toJson(bar, new TypeToken<Bar<Foo>>(){}.getType()); |
| assertEquals(expectedJson, json); |
| } |
| |
| public void testTwoLevelParameterizedObject() { |
| Bar<Bar<Foo>> bar = new Bar<>(new Bar<>(new Foo(1))); |
| String expectedJson = "{\"t\":{\"t\":{\"b\":1}}}"; |
| // Ensure that serialization works without specifying the type explicitly |
| String json = gson.toJson(bar); |
| assertEquals(expectedJson, json); |
| // Ensure that serialization also works when the type is specified explicitly |
| json = gson.toJson(bar, new TypeToken<Bar<Bar<Foo>>>(){}.getType()); |
| assertEquals(expectedJson, json); |
| } |
| |
| public void testThreeLevelParameterizedObject() { |
| Bar<Bar<Bar<Foo>>> bar = new Bar<>(new Bar<>(new Bar<>(new Foo(1)))); |
| String expectedJson = "{\"t\":{\"t\":{\"t\":{\"b\":1}}}}"; |
| // Ensure that serialization works without specifying the type explicitly |
| String json = gson.toJson(bar); |
| assertEquals(expectedJson, json); |
| // Ensure that serialization also works when the type is specified explicitly |
| json = gson.toJson(bar, new TypeToken<Bar<Bar<Bar<Foo>>>>(){}.getType()); |
| assertEquals(expectedJson, json); |
| } |
| |
| private static class Foo { |
| @SuppressWarnings("unused") |
| int b; |
| Foo(int b) { |
| this.b = b; |
| } |
| } |
| |
| private static class Bar<T> { |
| @SuppressWarnings("unused") |
| T t; |
| Bar(T t) { |
| this.t = t; |
| } |
| } |
| } |