diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/tiles/CastTileTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/tiles/CastTileTest.java
new file mode 100644
index 0000000..d9412ec
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/tiles/CastTileTest.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2018 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.systemui.qs.tiles;
+
+import static junit.framework.TestCase.assertEquals;
+import static junit.framework.TestCase.assertTrue;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.service.quicksettings.Tile;
+import android.support.test.filters.SmallTest;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
+
+import com.android.systemui.Dependency;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.ActivityStarter;
+import com.android.systemui.qs.QSTileHost;
+import com.android.systemui.statusbar.policy.CastController;
+import com.android.systemui.statusbar.policy.KeyguardMonitor;
+import com.android.systemui.statusbar.policy.NetworkController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.HashSet;
+import java.util.Set;
+
+
+@RunWith(AndroidTestingRunner.class)
+@TestableLooper.RunWithLooper
+@SmallTest
+public class CastTileTest extends SysuiTestCase {
+
+    @Mock
+    private CastController mController;
+    @Mock
+    private ActivityStarter mActivityStarter;
+    @Mock
+    private KeyguardMonitor mKeyguard;
+    @Mock
+    private NetworkController mNetworkController;
+    @Mock
+    private QSTileHost mHost;
+    @Mock
+    NetworkController.SignalCallback mCallback;
+
+    private TestableLooper mTestableLooper;
+    private CastTile mCastTile;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mTestableLooper = TestableLooper.get(this);
+
+        mDependency.injectTestDependency(Dependency.BG_LOOPER, mTestableLooper.getLooper());
+        mController = mDependency.injectMockDependency(CastController.class);
+        mActivityStarter = mDependency.injectMockDependency(ActivityStarter.class);
+        mKeyguard = mDependency.injectMockDependency(KeyguardMonitor.class);
+        mNetworkController = mDependency.injectMockDependency(NetworkController.class);
+
+        when(mHost.getContext()).thenReturn(mContext);
+
+        mCastTile = new CastTile(mHost);
+
+        // We are not setting the mocks to listening, so we trigger a first refresh state to
+        // set the initial state
+        mCastTile.refreshState();
+
+        mCastTile.handleSetListening(true);
+        ArgumentCaptor<NetworkController.SignalCallback> signalCallbackArgumentCaptor =
+                ArgumentCaptor.forClass(NetworkController.SignalCallback.class);
+        verify(mNetworkController).addCallback(signalCallbackArgumentCaptor.capture());
+        mCallback = signalCallbackArgumentCaptor.getValue();
+
+    }
+
+    @Test
+    public void testStateUnavailable_wifiDisabled() {
+        NetworkController.IconState qsIcon =
+                new NetworkController.IconState(false, 0, "");
+        mCallback.setWifiIndicators(false, mock(NetworkController.IconState.class),
+                qsIcon, false,false, "",
+                false, "");
+        mTestableLooper.processAllMessages();
+
+        assertEquals(Tile.STATE_UNAVAILABLE, mCastTile.getState().state);
+    }
+
+    @Test
+    public void testStateUnavailable_wifiNotConnected() {
+        NetworkController.IconState qsIcon =
+                new NetworkController.IconState(false, 0, "");
+        mCallback.setWifiIndicators(true, mock(NetworkController.IconState.class),
+                qsIcon, false,false, "",
+                false, "");
+        mTestableLooper.processAllMessages();
+
+        assertEquals(Tile.STATE_UNAVAILABLE, mCastTile.getState().state);
+    }
+
+    @Test
+    public void testStateActive_wifiEnabledAndCasting() {
+        CastController.CastDevice device = mock(CastController.CastDevice.class);
+        device.state = CastController.CastDevice.STATE_CONNECTED;
+        Set<CastController.CastDevice> devices = new HashSet<>();
+        devices.add(device);
+        when(mController.getCastDevices()).thenReturn(devices);
+
+        NetworkController.IconState qsIcon =
+                new NetworkController.IconState(true, 0, "");
+        mCallback.setWifiIndicators(true, mock(NetworkController.IconState.class),
+                qsIcon, false,false, "",
+                false, "");
+        mTestableLooper.processAllMessages();
+
+        assertEquals(Tile.STATE_ACTIVE, mCastTile.getState().state);
+    }
+
+    @Test
+    public void testStateInactive_wifiEnabledNotCasting() {
+        NetworkController.IconState qsIcon =
+                new NetworkController.IconState(true, 0, "");
+        mCallback.setWifiIndicators(true, mock(NetworkController.IconState.class),
+                qsIcon, false,false, "",
+                false, "");
+        mTestableLooper.processAllMessages();
+
+        assertEquals(Tile.STATE_INACTIVE, mCastTile.getState().state);
+    }
+}