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/*
* 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.common.TestTypes.BagOfPrimitives;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
/**
* Performs some functional test involving JSON output escaping.
*
* @author Inderjeet Singh
* @author Joel Leitch
*/
public class EscapingTest extends TestCase {
private Gson gson;
@Override
protected void setUp() throws Exception {
super.setUp();
gson = new Gson();
}
public void testEscapingQuotesInStringArray() throws Exception {
String[] valueWithQuotes = { "beforeQuote\"afterQuote" };
String jsonRepresentation = gson.toJson(valueWithQuotes);
String[] target = gson.fromJson(jsonRepresentation, String[].class);
assertEquals(1, target.length);
assertEquals(valueWithQuotes[0], target[0]);
}
public void testEscapeAllHtmlCharacters() {
List<String> strings = new ArrayList<>();
strings.add("<");
strings.add(">");
strings.add("=");
strings.add("&");
strings.add("'");
strings.add("\"");
assertEquals("[\"\\u003c\",\"\\u003e\",\"\\u003d\",\"\\u0026\",\"\\u0027\",\"\\\"\"]",
gson.toJson(strings));
}
public void testEscapingObjectFields() throws Exception {
BagOfPrimitives objWithPrimitives = new BagOfPrimitives(1L, 1, true, "test with\" <script>");
String jsonRepresentation = gson.toJson(objWithPrimitives);
assertFalse(jsonRepresentation.contains("<"));
assertFalse(jsonRepresentation.contains(">"));
assertTrue(jsonRepresentation.contains("\\\""));
BagOfPrimitives expectedObject = gson.fromJson(jsonRepresentation, BagOfPrimitives.class);
assertEquals(objWithPrimitives.getExpectedJson(), expectedObject.getExpectedJson());
}
public void testGsonAcceptsEscapedAndNonEscapedJsonDeserialization() throws Exception {
Gson escapeHtmlGson = new GsonBuilder().create();
Gson noEscapeHtmlGson = new GsonBuilder().disableHtmlEscaping().create();
BagOfPrimitives target = new BagOfPrimitives(1L, 1, true, "test' / w'ith\" / \\ <script>");
String escapedJsonForm = escapeHtmlGson.toJson(target);
String nonEscapedJsonForm = noEscapeHtmlGson.toJson(target);
assertFalse(escapedJsonForm.equals(nonEscapedJsonForm));
assertEquals(target, noEscapeHtmlGson.fromJson(escapedJsonForm, BagOfPrimitives.class));
assertEquals(target, escapeHtmlGson.fromJson(nonEscapedJsonForm, BagOfPrimitives.class));
}
public void testGsonDoubleDeserialization() {
BagOfPrimitives expected = new BagOfPrimitives(3L, 4, true, "value1");
String json = gson.toJson(gson.toJson(expected));
String value = gson.fromJson(json, String.class);
BagOfPrimitives actual = gson.fromJson(value, BagOfPrimitives.class);
assertEquals(expected, actual);
}
}
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