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diff --git a/gson/src/test/java/com/google/gson/functional/EscapingTest.java b/gson/src/test/java/com/google/gson/functional/EscapingTest.java
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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<String>();
+    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);
+  }
+}