--- /dev/null
+package com.android.server.content;
+
+import android.os.Bundle;
+
+import junit.framework.TestCase;
+
+public class SyncManagerTest extends TestCase {
+
+ final String KEY_1 = "key_1";
+ final String KEY_2 = "key_2";
+
+ public void testSyncExtrasEquals_WithNull() throws Exception {
+ Bundle b1 = new Bundle();
+ Bundle b2 = new Bundle();
+
+ b1.putString(KEY_1, null);
+ b2.putString(KEY_1, null);
+
+ assertTrue("Null extra not properly compared between bundles.",
+ SyncManager.syncExtrasEquals(b1, b2, false /* don't care about system extras */));
+ }
+
+ public void testSyncExtrasEqualsBigger_WithNull() throws Exception {
+ Bundle b1 = new Bundle();
+ Bundle b2 = new Bundle();
+
+ b1.putString(KEY_1, null);
+ b2.putString(KEY_1, null);
+
+ b1.putString(KEY_2, "bla");
+ b2.putString(KEY_2, "bla");
+
+ assertTrue("Extras not properly compared between bundles.",
+ SyncManager.syncExtrasEquals(b1, b2, false /* don't care about system extras */));
+ }
+
+ public void testSyncExtrasEqualsFails_differentValues() throws Exception {
+ Bundle b1 = new Bundle();
+ Bundle b2 = new Bundle();
+
+ b1.putString(KEY_1, null);
+ b2.putString(KEY_1, null);
+
+ b1.putString(KEY_2, "bla");
+ b2.putString(KEY_2, "ble"); // different key
+
+ assertFalse("Extras considered equal when they are different.",
+ SyncManager.syncExtrasEquals(b1, b2, false /* don't care about system extras */));
+ }
+
+ public void testSyncExtrasEqualsFails_differentNulls() throws Exception {
+ Bundle b1 = new Bundle();
+ Bundle b2 = new Bundle();
+
+ b1.putString(KEY_1, null);
+ b2.putString(KEY_1, "bla"); // different key
+
+ b1.putString(KEY_2, "ble");
+ b2.putString(KEY_2, "ble");
+
+ assertFalse("Extras considered equal when they are different.",
+ SyncManager.syncExtrasEquals(b1, b2, false /* don't care about system extras */));
+ }
+}