88 lines
2.5 KiB
Java
88 lines
2.5 KiB
Java
/*
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* Copyright (C) 2008 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 org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.JsonObject;
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import com.google.gson.common.TestTypes.BagOfPrimitives;
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import com.google.gson.common.TestTypes.ClassWithTransientFields;
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import com.google.gson.common.TestTypes.Nested;
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import com.google.gson.common.TestTypes.PrimitiveArray;
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import java.util.ArrayList;
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import java.util.List;
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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 tests for print formatting.
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*
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* @author Inderjeet Singh
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* @author Joel Leitch
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*/
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public class PrintFormattingTest {
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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 testCompactFormattingLeavesNoWhiteSpace() {
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List<Object> list = new ArrayList<>();
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list.add(new BagOfPrimitives());
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list.add(new Nested());
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list.add(new PrimitiveArray());
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list.add(new ClassWithTransientFields<>());
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String json = gson.toJson(list);
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assertContainsNoWhiteSpace(json);
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}
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@Test
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public void testJsonObjectWithNullValues() {
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JsonObject obj = new JsonObject();
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obj.addProperty("field1", "value1");
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obj.addProperty("field2", (String) null);
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String json = gson.toJson(obj);
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assertTrue(json.contains("field1"));
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assertFalse(json.contains("field2"));
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}
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@Test
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public void testJsonObjectWithNullValuesSerialized() {
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gson = new GsonBuilder().serializeNulls().create();
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JsonObject obj = new JsonObject();
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obj.addProperty("field1", "value1");
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obj.addProperty("field2", (String) null);
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String json = gson.toJson(obj);
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assertTrue(json.contains("field1"));
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assertTrue(json.contains("field2"));
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}
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private static void assertContainsNoWhiteSpace(String str) {
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for (char c : str.toCharArray()) {
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assertFalse(Character.isWhitespace(c));
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}
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}
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}
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