Address comments + add more tests.

MyTracksLib/src/com/google/android/apps/mytracks/content/WaypointCreationRequest.java

@@ -40,13 +40,12 @@ public class WaypointCreationRequest implements Parcelable {
   public final static WaypointCreationRequest DEFAULT_STATISTICS =
       new WaypointCreationRequest(WaypointType.STATISTICS);
   
-  public WaypointCreationRequest(WaypointType type) {
+  private WaypointCreationRequest(WaypointType type) {
     this.type = type;
   }
 
   public WaypointCreationRequest(WaypointType type, String name,
       String description, String iconUrl) {
-    super();
     this.type = type;
     this.name = name;
     this.description = description;
@@ -55,23 +54,19 @@ public class WaypointCreationRequest implements Parcelable {
 
   public static class Creator implements Parcelable.Creator<WaypointCreationRequest> {
 
+    @Override
     public WaypointCreationRequest createFromParcel(Parcel source) {
       int i = source.readInt();
       if (i > WaypointType.values().length) {
         throw new IllegalArgumentException("Could not find waypoint type: " + i);
       }
       WaypointCreationRequest request = new WaypointCreationRequest(WaypointType.values()[i]);
-      request.description = maybeReadStringToParcel(source);
+      request.description = source.readString();
-      request.iconUrl = maybeReadStringToParcel(source);
+      request.iconUrl = source.readString();
-      request.name = maybeReadStringToParcel(source);
+      request.name = source.readString();
       return request;
     }
 
-    private String maybeReadStringToParcel(Parcel parcel) {
-      return parcel.readByte() > 0 ? parcel.readString() : null;
-    }
-
-
     public WaypointCreationRequest[] newArray(int size) {
       return new WaypointCreationRequest[size];
     }
@@ -87,19 +82,11 @@ public class WaypointCreationRequest implements Parcelable {
   @Override
   public void writeToParcel(Parcel parcel, int arg1) {
     parcel.writeInt(type.ordinal());
-    // TODO: Pack all of available bits into one byte.
+    parcel.writeString(description);
-    maybeWriteStringToParcel(parcel, description);
+    parcel.writeString(iconUrl);
-    maybeWriteStringToParcel(parcel, iconUrl);
+    parcel.writeString(name);
-    maybeWriteStringToParcel(parcel, name);
   }
   
-  private void maybeWriteStringToParcel(Parcel parcel, String s) {
-    parcel.writeByte(s == null ? (byte) 0 : (byte) 1);
-    if (s != null) {
-      parcel.writeString(s);
-    }
-  }
-
   public WaypointType getType() {
     return type;
   }

MyTracksTest/src/com/google/android/apps/mytracks/content/WaypointCreationRequestTest.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010 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.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.content.WaypointCreationRequest.WaypointType;
+
+import android.os.Parcel;
+import android.test.AndroidTestCase;
+
+/**
+ * Tests for the WaypointCreationRequest class.
+ *
+ * @author Sandor Dornbush
+ */
+public class WaypointCreationRequestTest extends AndroidTestCase {
+
+  public void testTypeParceling() {
+    WaypointCreationRequest original = WaypointCreationRequest.DEFAULT_MARKER;
+    Parcel p = Parcel.obtain();
+    original.writeToParcel(p, 0);
+    p.setDataPosition(0);
+    WaypointCreationRequest copy =
+      WaypointCreationRequest.CREATOR.createFromParcel(p);
+    assertEquals(original.getType(), copy.getType());
+    assertNull(copy.getName());
+    assertNull(copy.getDescription());
+    assertNull(copy.getIconUrl());
+  }
+
+  public void testAllAttributesParceling() {
+    WaypointCreationRequest original =
+      new WaypointCreationRequest(WaypointType.MARKER, "name", "description", "img.png");
+    Parcel p = Parcel.obtain();
+    original.writeToParcel(p, 0);
+    p.setDataPosition(0);
+    WaypointCreationRequest copy =
+      WaypointCreationRequest.CREATOR.createFromParcel(p);
+    assertEquals(original.getType(), copy.getType());
+    assertEquals("name", copy.getName());
+    assertEquals("description", copy.getDescription());
+    assertEquals("img.png", copy.getIconUrl());
+  }
+}