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diff --git a/gson/src/test/java/com/google/gson/functional/PrintFormattingTest.java b/gson/src/test/java/com/google/gson/functional/PrintFormattingTest.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.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 junit.framework.TestCase;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 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();
+  }
+
+  @SuppressWarnings({"unchecked", "rawtypes"})
+  public void testCompactFormattingLeavesNoWhiteSpace() {
+    List 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));
+    }
+  }
+}