| /* |
| * 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.functional; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import com.google.gson.JsonObject; |
| import com.google.gson.common.TestTypes.BagOfPrimitives; |
| import com.google.gson.common.TestTypes.ClassWithTransientFields; |
| import com.google.gson.common.TestTypes.Nested; |
| import com.google.gson.common.TestTypes.PrimitiveArray; |
| import java.util.ArrayList; |
| import java.util.List; |
| import junit.framework.TestCase; |
| |
| /** |
| * Functional tests for print formatting. |
| * |
| * @author Inderjeet Singh |
| * @author Joel Leitch |
| */ |
| public class PrintFormattingTest extends TestCase { |
| |
| private Gson gson; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| gson = new Gson(); |
| } |
| |
| public void testCompactFormattingLeavesNoWhiteSpace() { |
| List<Object> list = new ArrayList<>(); |
| list.add(new BagOfPrimitives()); |
| list.add(new Nested()); |
| list.add(new PrimitiveArray()); |
| list.add(new ClassWithTransientFields<>()); |
| |
| String json = gson.toJson(list); |
| assertContainsNoWhiteSpace(json); |
| } |
| |
| public void testJsonObjectWithNullValues() { |
| JsonObject obj = new JsonObject(); |
| obj.addProperty("field1", "value1"); |
| obj.addProperty("field2", (String) null); |
| String json = gson.toJson(obj); |
| assertTrue(json.contains("field1")); |
| assertFalse(json.contains("field2")); |
| } |
| |
| public void testJsonObjectWithNullValuesSerialized() { |
| gson = new GsonBuilder().serializeNulls().create(); |
| JsonObject obj = new JsonObject(); |
| obj.addProperty("field1", "value1"); |
| obj.addProperty("field2", (String) null); |
| String json = gson.toJson(obj); |
| assertTrue(json.contains("field1")); |
| assertTrue(json.contains("field2")); |
| } |
| |
| private static void assertContainsNoWhiteSpace(String str) { |
| for (char c : str.toCharArray()) { |
| assertFalse(Character.isWhitespace(c)); |
| } |
| } |
| } |