Add dumpable to QSTile. Dump QSTileHost, QSPanel, QuickQSPanel

Dumps state of all the tiles in QSTileHost. The dump of
QSTileHost should match that of QSPanel. The dump of
QuickQSPanel should match the first N items of
the QSPanel dump. If there's any discrepancy, it's cause for
investigating.

It also dumps state of QSTileView.

An example of the dump can be found in:
https://paste.googleplex.com/4811551678660608

Test: manual, dumpsys
Fixes: 129544734
Change-Id: I3249ffcac1bc5ab3d7666bc8884bda4b3a4eb4e2
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index fcaf981..89aa96d 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -17,6 +17,7 @@
 package com.android.systemui.qs;
 
 import static com.android.systemui.qs.tileimpl.QSTileImpl.getColorForState;
+import static com.android.systemui.util.InjectionInflationController.VIEW_CONTEXT;
 
 import android.annotation.Nullable;
 import android.content.ComponentName;
@@ -37,6 +38,8 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settingslib.Utils;
 import com.android.systemui.Dependency;
+import com.android.systemui.DumpController;
+import com.android.systemui.Dumpable;
 import com.android.systemui.R;
 import com.android.systemui.plugins.qs.DetailAdapter;
 import com.android.systemui.plugins.qs.QSTile;
@@ -51,11 +54,17 @@
 import com.android.systemui.tuner.TunerService;
 import com.android.systemui.tuner.TunerService.Tunable;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collection;
 
+import javax.inject.Inject;
+import javax.inject.Named;
+
 /** View that represents the quick settings tile panel (when expanded/pulled down). **/
-public class QSPanel extends LinearLayout implements Tunable, Callback, BrightnessMirrorListener {
+public class QSPanel extends LinearLayout implements Tunable, Callback, BrightnessMirrorListener,
+        Dumpable {
 
     public static final String QS_SHOW_BRIGHTNESS = "qs_show_brightness";
     public static final String QS_SHOW_HEADER = "qs_show_header";
@@ -74,6 +83,7 @@
 
     private QSDetail.Callback mCallback;
     private BrightnessController mBrightnessController;
+    private DumpController mDumpController;
     protected QSTileHost mHost;
 
     protected QSSecurityFooter mFooter;
@@ -93,6 +103,12 @@
     }
 
     public QSPanel(Context context, AttributeSet attrs) {
+        this(context, attrs, null);
+    }
+
+    @Inject
+    public QSPanel(@Named(VIEW_CONTEXT) Context context, AttributeSet attrs,
+            DumpController dumpController) {
         super(context, attrs);
         mContext = context;
 
@@ -119,6 +135,7 @@
 
         mBrightnessController = new BrightnessController(getContext(),
                 findViewById(R.id.brightness_slider));
+        mDumpController = dumpController;
     }
 
     protected void addDivider() {
@@ -170,6 +187,7 @@
         if (mBrightnessMirrorController != null) {
             mBrightnessMirrorController.addCallback(this);
         }
+        if (mDumpController != null) mDumpController.addListener(this);
     }
 
     @Override
@@ -184,6 +202,7 @@
         if (mBrightnessMirrorController != null) {
             mBrightnessMirrorController.removeCallback(this);
         }
+        if (mDumpController != null) mDumpController.removeListener(this);
         super.onDetachedFromWindow();
     }
 
@@ -649,6 +668,18 @@
         }
     }
 
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.println(getClass().getSimpleName() + ":");
+        pw.println("  Tile records:");
+        for (TileRecord record : mRecords) {
+            if (record.tile instanceof Dumpable) {
+                pw.print("    "); ((Dumpable) record.tile).dump(fd, pw, args);
+                pw.print("    "); pw.println(record.tileView.toString());
+            }
+        }
+    }
+
     protected static class Record {
         DetailAdapter detailAdapter;
         int x;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java
index dfc3e66..3c4898c 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java
@@ -30,6 +30,8 @@
 import android.util.Log;
 
 import com.android.systemui.Dependency;
+import com.android.systemui.DumpController;
+import com.android.systemui.Dumpable;
 import com.android.systemui.R;
 import com.android.systemui.SysUiServiceProvider;
 import com.android.systemui.plugins.PluginListener;
@@ -47,6 +49,8 @@
 import com.android.systemui.tuner.TunerService;
 import com.android.systemui.tuner.TunerService.Tunable;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -61,7 +65,7 @@
 
 /** Platform implementation of the quick settings tile host **/
 @Singleton
-public class QSTileHost implements QSHost, Tunable, PluginListener<QSFactory> {
+public class QSTileHost implements QSHost, Tunable, PluginListener<QSFactory>, Dumpable {
     private static final String TAG = "QSTileHost";
     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
@@ -73,6 +77,7 @@
     private final TileServices mServices;
     private final TunerService mTunerService;
     private final PluginManager mPluginManager;
+    private final DumpController mDumpController;
 
     private final List<Callback> mCallbacks = new ArrayList<>();
     private AutoTileManager mAutoTiles;
@@ -89,17 +94,20 @@
             @Named(Dependency.BG_LOOPER_NAME) Looper bgLooper,
             PluginManager pluginManager,
             TunerService tunerService,
-            Provider<AutoTileManager> autoTiles) {
+            Provider<AutoTileManager> autoTiles,
+            DumpController dumpController) {
         mIconController = iconController;
         mContext = context;
         mTunerService = tunerService;
         mPluginManager = pluginManager;
+        mDumpController = dumpController;
 
         mServices = new TileServices(this, bgLooper);
 
         defaultFactory.setHost(this);
         mQsFactories.add(defaultFactory);
         pluginManager.addPluginListener(this, QSFactory.class, true);
+        mDumpController.addListener(this);
 
         mainHandler.post(() -> {
             // This is technically a hack to avoid circular dependency of
@@ -121,6 +129,7 @@
         mTunerService.removeTunable(this);
         mServices.destroy();
         mPluginManager.removePluginListener(this);
+        mDumpController.removeListener(this);
     }
 
     @Override
@@ -363,4 +372,11 @@
         }
         return tiles;
     }
+
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.println("QSTileHost:");
+        mTiles.values().stream().filter(obj -> obj instanceof Dumpable)
+                .forEach(o -> ((Dumpable) o).dump(fd, pw, args));
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
index 995dc66..93b55e8 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.qs;
 
+import static com.android.systemui.util.InjectionInflationController.VIEW_CONTEXT;
+
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Rect;
@@ -25,6 +27,7 @@
 import android.widget.LinearLayout;
 
 import com.android.systemui.Dependency;
+import com.android.systemui.DumpController;
 import com.android.systemui.R;
 import com.android.systemui.plugins.qs.QSTile;
 import com.android.systemui.plugins.qs.QSTile.SignalState;
@@ -36,6 +39,9 @@
 import java.util.ArrayList;
 import java.util.Collection;
 
+import javax.inject.Inject;
+import javax.inject.Named;
+
 /**
  * Version of QSPanel that only shows N Quick Tiles in the QS Header.
  */
@@ -49,8 +55,10 @@
     private int mMaxTiles;
     protected QSPanel mFullPanel;
 
-    public QuickQSPanel(Context context, AttributeSet attrs) {
-        super(context, attrs);
+    @Inject
+    public QuickQSPanel(@Named(VIEW_CONTEXT) Context context, AttributeSet attrs,
+            DumpController dumpController) {
+        super(context, attrs, dumpController);
         if (mFooter != null) {
             removeView(mFooter.getView());
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
index 3c59f69..31526bf 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
@@ -47,6 +47,7 @@
     private boolean mAnimationEnabled = true;
     private int mState = -1;
     private int mTint;
+    private QSTile.Icon mLastIcon;
 
     public QSIconViewImpl(Context context) {
         super(context);
@@ -75,6 +76,16 @@
     }
 
     @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder(getClass().getSimpleName()).append('[');
+        sb.append("state=" + mState);
+        sb.append(", tint=" + mTint);
+        if (mLastIcon != null) sb.append(", lastIcon=" + mLastIcon.toString());
+        sb.append("]");
+        return sb.toString();
+    }
+
+    @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         final int w = getMeasuredWidth();
         int top = 0;
@@ -91,6 +102,7 @@
         if (!Objects.equals(icon, iv.getTag(R.id.qs_icon_tag))
                 || !Objects.equals(state.slash, iv.getTag(R.id.qs_slash_tag))) {
             boolean shouldAnimate = allowAnimations && shouldAnimate(iv);
+            mLastIcon = icon;
             Drawable d = icon != null
                     ? shouldAnimate ? icon.getDrawable(mContext)
                     : icon.getInvisibleDrawable(mContext) : null;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java
index a732a25..c186e59 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java
@@ -318,6 +318,16 @@
         }
     }
 
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder(getClass().getSimpleName()).append('[');
+        sb.append("locInScreen=(" + mLocInScreen[0] + ", " + mLocInScreen[1] + ")");
+        sb.append(", iconView=" + mIcon.toString());
+        sb.append(", tileState=" + mTileState);
+        sb.append("]");
+        return sb.toString();
+    }
+
     private class H extends Handler {
         private static final int STATE_CHANGED = 1;
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileImpl.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileImpl.java
index e275690..1f857ff 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileImpl.java
@@ -52,6 +52,7 @@
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.Utils;
 import com.android.systemui.Dependency;
+import com.android.systemui.Dumpable;
 import com.android.systemui.Prefs;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.plugins.qs.DetailAdapter;
@@ -63,6 +64,8 @@
 import com.android.systemui.qs.QSHost;
 import com.android.systemui.qs.QuickStatusBarHeader;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 
 /**
@@ -74,7 +77,7 @@
  *
  * @param <TState> see above
  */
-public abstract class QSTileImpl<TState extends State> implements QSTile, LifecycleOwner {
+public abstract class QSTileImpl<TState extends State> implements QSTile, LifecycleOwner, Dumpable {
     protected final String TAG = "Tile." + getClass().getSimpleName();
     protected static final boolean DEBUG = Log.isLoggable("Tile", Log.DEBUG);
 
@@ -592,4 +595,10 @@
             return context.getDrawable(mAnimatedResId).getConstantState().newDrawable();
         }
     }
+
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.println(this.getClass().getSimpleName() + ":");
+        pw.print("    "); pw.println(getState().toString());
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/util/InjectionInflationController.java b/packages/SystemUI/src/com/android/systemui/util/InjectionInflationController.java
index 1e486c0..d521e55 100644
--- a/packages/SystemUI/src/com/android/systemui/util/InjectionInflationController.java
+++ b/packages/SystemUI/src/com/android/systemui/util/InjectionInflationController.java
@@ -29,6 +29,8 @@
 import com.android.systemui.SystemUIFactory;
 import com.android.systemui.qs.QSCarrierGroup;
 import com.android.systemui.qs.QSFooterImpl;
+import com.android.systemui.qs.QSPanel;
+import com.android.systemui.qs.QuickQSPanel;
 import com.android.systemui.qs.QuickStatusBarHeader;
 import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout;
 import com.android.systemui.statusbar.phone.LockIcon;
@@ -154,6 +156,16 @@
          * Creates the keyguard LockIcon.
          */
         LockIcon createLockIcon();
+
+        /**
+         * Creates the QSPanel.
+         */
+        QSPanel createQSPanel();
+
+        /**
+         * Creates the QuickQSPanel.
+         */
+        QuickQSPanel createQuickQSPanel();
     }
 
     /**
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
index 10d1572..db4f5ff 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
@@ -35,6 +35,7 @@
 import com.android.internal.logging.MetricsLogger;
 import com.android.keyguard.CarrierText;
 import com.android.systemui.Dependency;
+import com.android.systemui.DumpController;
 import com.android.systemui.R;
 import com.android.systemui.SystemUIFactory;
 import com.android.systemui.SysuiBaseFragmentTest;
@@ -95,7 +96,7 @@
         QSTileHost host = new QSTileHost(mContext, mock(StatusBarIconController.class),
                 mock(QSFactoryImpl.class), new Handler(), Looper.myLooper(),
                 mock(PluginManager.class), mock(TunerService.class),
-                () -> mock(AutoTileManager.class));
+                () -> mock(AutoTileManager.class), mock(DumpController.class));
         qs.setHost(host);
 
         qs.setListening(true);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java
index c6b31d0..38cdee4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java
@@ -14,10 +14,12 @@
 
 package com.android.systemui.qs;
 
+import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
@@ -34,9 +36,9 @@
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.plugins.qs.QSTile;
 import com.android.systemui.plugins.qs.QSTileView;
 import com.android.systemui.qs.customize.QSCustomizer;
+import com.android.systemui.qs.tileimpl.QSTileImpl;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -44,6 +46,9 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.io.StringWriter;
 import java.util.Collections;
 
 @RunWith(AndroidTestingRunner.class)
@@ -59,10 +64,12 @@
     @Mock
     private QSCustomizer mCustomizer;
     @Mock
-    private QSTile dndTile;
+    private QSTileImpl dndTile;
     private ViewGroup mParentView;
     @Mock
     private QSDetail.Callback mCallback;
+    @Mock
+    private QSTileView mQSTileView;
 
     @Before
     public void setup() throws Exception {
@@ -78,7 +85,7 @@
 
             when(dndTile.getTileSpec()).thenReturn("dnd");
             when(mHost.getTiles()).thenReturn(Collections.emptyList());
-            when(mHost.createTileView(any(), anyBoolean())).thenReturn(mock(QSTileView.class));
+            when(mHost.createTileView(any(), anyBoolean())).thenReturn(mQSTileView);
 
             mQsPanel.setHost(mHost, mCustomizer);
             mQsPanel.addTile(dndTile, true);
@@ -120,4 +127,27 @@
 
         verify(mCallback, never()).onShowingDetail(any(), anyInt(), anyInt());
     }
+
+    @Test
+    public void testDump() {
+        String mockTileViewString = "Mock Tile View";
+        String mockTileString = "Mock Tile";
+        doAnswer(invocation -> {
+            PrintWriter pw = invocation.getArgument(1);
+            pw.println(mockTileString);
+            return null;
+        }).when(dndTile).dump(any(FileDescriptor.class), any(PrintWriter.class),
+                any(String[].class));
+        when(mQSTileView.toString()).thenReturn(mockTileViewString);
+
+        StringWriter w = new StringWriter();
+        PrintWriter pw = new PrintWriter(w);
+        mQsPanel.dump(mock(FileDescriptor.class), pw, new String[]{});
+        String expected = "QSPanel:\n"
+                + "  Tile records:\n"
+                + "    " + mockTileString + "\n"
+                + "    " + mockTileViewString + "\n";
+        assertEquals(expected, w.getBuffer().toString());
+    }
+
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java
index a458928..f73472f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java
@@ -17,23 +17,100 @@
 package com.android.systemui.qs;
 
 
+import static junit.framework.Assert.assertEquals;
 import static junit.framework.TestCase.assertFalse;
 
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.Looper;
 import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
+import android.testing.TestableLooper.RunWithLooper;
 
 import androidx.test.filters.SmallTest;
 
+import com.android.systemui.DumpController;
 import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.qs.QSFactory;
+import com.android.systemui.plugins.qs.QSTile;
+import com.android.systemui.qs.tileimpl.QSFactoryImpl;
+import com.android.systemui.qs.tileimpl.QSTileImpl;
+import com.android.systemui.shared.plugins.PluginManager;
+import com.android.systemui.statusbar.phone.AutoTileManager;
+import com.android.systemui.statusbar.phone.StatusBarIconController;
+import com.android.systemui.tuner.TunerService;
 
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.io.StringWriter;
 import java.util.List;
 
+import javax.inject.Provider;
+
 @RunWith(AndroidTestingRunner.class)
 @SmallTest
+@RunWithLooper
 public class QSTileHostTest extends SysuiTestCase {
 
+    private static String MOCK_STATE_STRING = "MockState";
+
+    @Mock
+    private StatusBarIconController mIconController;
+    @Mock
+    private QSFactoryImpl mDefaultFactory;
+    @Mock
+    private PluginManager mPluginManager;
+    @Mock
+    private TunerService mTunerService;
+    @Mock
+    private Provider<AutoTileManager> mAutoTiles;
+    @Mock
+    private DumpController mDumpController;
+    @Mock
+    private QSTile.State mMockState;
+    private Handler mHandler;
+    private TestableLooper mLooper;
+    private QSTileHost mQSTileHost;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mLooper = TestableLooper.get(this);
+        mHandler = new Handler(mLooper.getLooper());
+        mQSTileHost = new TestQSTileHost(mContext, mIconController, mDefaultFactory, mHandler,
+                mLooper.getLooper(),
+                mPluginManager, mTunerService, mAutoTiles, mDumpController);
+        setUpTileFactory();
+    }
+
+    private void setUpTileFactory() {
+        when(mMockState.toString()).thenReturn(MOCK_STATE_STRING);
+        when(mDefaultFactory.createTile(anyString())).thenAnswer(
+                invocation -> {
+                    String spec = invocation.getArgument(0);
+                    switch (spec) {
+                        case "spec1":
+                            return new TestTile1(mQSTileHost);
+                        case "spec2":
+                            return new TestTile2(mQSTileHost);
+                        default:
+                            return null;
+                    }
+                });
+
+    }
+
     @Test
     public void testLoadTileSpecs_emptySetting() {
         List<String> tiles = QSTileHost.loadTileSpecs(mContext, "");
@@ -45,4 +122,91 @@
         List<String> tiles = QSTileHost.loadTileSpecs(mContext, null);
         assertFalse(tiles.isEmpty());
     }
+
+    @Test
+    public void testDump() {
+        mQSTileHost.onTuningChanged(QSTileHost.TILES_SETTING, "spec1,spec2");
+        StringWriter w = new StringWriter();
+        PrintWriter pw = new PrintWriter(w);
+        mQSTileHost.dump(mock(FileDescriptor.class), pw, new String[]{});
+        String output = "QSTileHost:\n"
+                + TestTile1.class.getSimpleName() + ":\n"
+                + "    " + MOCK_STATE_STRING + "\n"
+                + TestTile2.class.getSimpleName() + ":\n"
+                + "    " + MOCK_STATE_STRING + "\n";
+        assertEquals(output, w.getBuffer().toString());
+    }
+
+    private static class TestQSTileHost extends QSTileHost {
+        TestQSTileHost(Context context, StatusBarIconController iconController,
+                QSFactoryImpl defaultFactory, Handler mainHandler, Looper bgLooper,
+                PluginManager pluginManager, TunerService tunerService,
+                Provider<AutoTileManager> autoTiles, DumpController dumpController) {
+            super(context, iconController, defaultFactory, mainHandler, bgLooper, pluginManager,
+                    tunerService, autoTiles, dumpController);
+        }
+
+        @Override
+        public void onPluginConnected(QSFactory plugin, Context pluginContext) {
+        }
+
+        @Override
+        public void onPluginDisconnected(QSFactory plugin) {
+        }
+    }
+
+    private class TestTile extends QSTileImpl<QSTile.State> {
+
+        protected TestTile(QSHost host) {
+            super(host);
+        }
+
+        @Override
+        public State newTileState() {
+            return mMockState;
+        }
+
+        @Override
+        public State getState() {
+            return mMockState;
+        }
+
+        @Override
+        protected void handleClick() {}
+
+        @Override
+        protected void handleUpdateState(State state, Object arg) {}
+
+        @Override
+        public int getMetricsCategory() {
+            return 0;
+        }
+
+        @Override
+        public Intent getLongClickIntent() {
+            return null;
+        }
+
+        @Override
+        protected void handleSetListening(boolean listening) {}
+
+        @Override
+        public CharSequence getTileLabel() {
+            return null;
+        }
+    }
+
+    private class TestTile1 extends TestTile {
+
+        protected TestTile1(QSHost host) {
+            super(host);
+        }
+    }
+
+    private class TestTile2 extends TestTile {
+
+        protected TestTile2(QSHost host) {
+            super(host);
+        }
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTest.java
index 03278b4..183e027 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTest.java
@@ -29,6 +29,7 @@
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import com.android.systemui.DumpController;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.qs.QSTileHost;
 import com.android.systemui.qs.tileimpl.QSFactoryImpl;
@@ -67,7 +68,8 @@
                 Looper.myLooper(),
                 mock(PluginManager.class),
                 mock(TunerService.class),
-                () -> mock(AutoTileManager.class));
+                () -> mock(AutoTileManager.class),
+                mock(DumpController.class));
         mTileService = new TestTileServices(host, Looper.getMainLooper());
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
index 8a36cfb..63ebe92 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
@@ -14,6 +14,8 @@
 
 package com.android.systemui.qs.tileimpl;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.Mockito.mock;
@@ -43,6 +45,7 @@
 public class QSIconViewImplTest extends SysuiTestCase {
 
     private QSIconViewImpl mIconView;
+    private static int RES_ID = 1;
 
     @Before
     public void setup() {
@@ -81,4 +84,24 @@
         mIconView.setIcon(iv, s, true);
         verify(iv).setImageTintList(argThat(stateList -> stateList.getColors()[0] == desiredColor));
     }
+
+    @Test
+    public void testStateSetCorrectly_toString() {
+        ImageView iv = mock(ImageView.class);
+        State s = new State();
+        s.state = Tile.STATE_ACTIVE;
+        int desiredColor = mIconView.getColor(s.state);
+        Icon i = mock(Icon.class);
+        s.icon = i;
+        when(i.toString()).thenReturn("MOCK ICON");
+        mIconView.setIcon(iv, s, false);
+
+        assertEquals("QSIconViewImpl[state=" + Tile.STATE_ACTIVE + ", tint=" + desiredColor
+                + ", lastIcon=" + i.toString() + "]", mIconView.toString());
+    }
+
+    @Test
+    public void testIconNotSet_toString() {
+        assertFalse(mIconView.toString().contains("lastIcon"));
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java
index 3df8a8a..192d8f8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java
@@ -34,6 +34,8 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import static java.lang.Thread.sleep;
+
 import android.content.Intent;
 import android.metrics.LogMaker;
 import android.testing.AndroidTestingRunner;
@@ -60,8 +62,6 @@
 import org.mockito.Captor;
 import org.mockito.MockitoAnnotations;
 
-import static java.lang.Thread.sleep;
-
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
 @SmallTest