diff --git a/InCallUI/tests/src/com/android/incallui/CallerInfoUtilsTest.java b/InCallUI/tests/src/com/android/incallui/CallerInfoUtilsTest.java
new file mode 100644
index 0000000..5baabce
--- /dev/null
+++ b/InCallUI/tests/src/com/android/incallui/CallerInfoUtilsTest.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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.android.incallui;
+
+import android.test.AndroidTestCase;
+
+public class CallerInfoUtilsTest extends AndroidTestCase {
+    public void testToLogSafeNumber_email() {
+        assertEquals("xxx@xxx.xxx", CallerInfoUtils.toLogSafePhoneNumber("foo@foo.com"));
+    }
+
+    public void testToLogSafeNumber_phoneNumber() {
+        assertEquals("xxx-xxx-xxxx", CallerInfoUtils.toLogSafePhoneNumber("123-456-6789"));
+    }
+}