diff --git a/tests/Android.mk b/tests/Android.mk
index b122183..f293b80 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -20,6 +20,7 @@
 LOCAL_STATIC_JAVA_LIBRARIES := \
         android-ex-camera2 \
         guava \
+        mockito-target \
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
diff --git a/tests/src/com/android/server/telecom/tests/unit/InCallWakeLockControllerTest.java b/tests/src/com/android/server/telecom/tests/unit/InCallWakeLockControllerTest.java
new file mode 100644
index 0000000..5af9440
--- /dev/null
+++ b/tests/src/com/android/server/telecom/tests/unit/InCallWakeLockControllerTest.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2014 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.server.telecom;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.never;
+
+import android.content.Context;
+import android.os.PowerManager;
+import android.telecom.CallState;
+import android.test.AndroidTestCase;
+
+import com.android.server.telecom.Call;
+import com.android.server.telecom.CallsManager;
+import com.android.server.telecom.InCallWakeLockController;
+
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+public class InCallWakeLockControllerTest extends AndroidTestCase {
+
+    @Mock Context mContext;
+    @Mock PowerManager mPowerManager;
+    @Mock PowerManager.WakeLock mWakeLock;
+    @Mock CallsManager mCallsManager;
+    @Mock Call mCall;
+
+    private InCallWakeLockController mInCallWakeLockController;
+
+    @Override
+    public void setUp() throws Exception {
+        super.setUp();
+        MockitoAnnotations.initMocks(this);
+
+        when(mContext.getSystemService(Context.POWER_SERVICE)).thenReturn(mPowerManager);
+        when(mPowerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, "InCallWakeLockController"))
+                .thenReturn(mWakeLock);
+        mInCallWakeLockController = new InCallWakeLockController(mContext, mCallsManager);
+    }
+
+    @Override
+    public void tearDown() {
+    }
+
+    public void test_RingingCallAdded() throws Exception {
+        when(mCallsManager.getRingingCall()).thenReturn(mCall);
+        mInCallWakeLockController.onCallAdded(mCall);
+        verify(mWakeLock).acquire();
+    }
+
+    public void test_NonRingingCallAdded() throws Exception {
+        when(mCallsManager.getRingingCall()).thenReturn(null);
+        when(mWakeLock.isHeld()).thenReturn(false);
+
+        mInCallWakeLockController.onCallAdded(mCall);
+        verify(mWakeLock, never()).acquire();
+    }
+
+    public void test_RingingCallTransition() throws Exception {
+        when(mCallsManager.getRingingCall()).thenReturn(mCall);
+        mInCallWakeLockController.onCallStateChanged(mCall, CallState.NEW, CallState.RINGING);
+        verify(mWakeLock).acquire();
+    }
+
+    public void test_RingingCallRemoved() throws Exception {
+        when(mCallsManager.getRingingCall()).thenReturn(null);
+        when(mWakeLock.isHeld()).thenReturn(false);
+
+        mInCallWakeLockController.onCallRemoved(mCall);
+        verify(mWakeLock, never()).acquire();
+    }
+
+    public void test_WakeLockReleased() throws Exception {
+        when(mCallsManager.getRingingCall()).thenReturn(null);
+        when(mWakeLock.isHeld()).thenReturn(true);
+
+        mInCallWakeLockController.onCallRemoved(mCall);
+        verify(mWakeLock).release();
+    }
+}