diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
deleted file mode 100644
index 5f40925..0000000
--- a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
+++ /dev/null
@@ -1,562 +0,0 @@
-/*
- * 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.settings.datausage;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
-
-import android.app.Activity;
-import android.content.ComponentName;
-import android.content.Intent;
-import android.graphics.Typeface;
-import android.net.ConnectivityManager;
-import android.net.NetworkTemplate;
-import android.os.Bundle;
-import android.telephony.SubscriptionManager;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.Button;
-import android.widget.LinearLayout;
-import android.widget.ProgressBar;
-import android.widget.TextView;
-
-import androidx.fragment.app.FragmentActivity;
-import androidx.preference.PreferenceViewHolder;
-
-import com.android.settings.R;
-import com.android.settings.SettingsActivity;
-import com.android.settings.SubSettings;
-import com.android.settingslib.Utils;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.Robolectric;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.Shadows;
-import org.robolectric.shadows.ShadowActivity;
-
-import java.util.concurrent.TimeUnit;
-
-@RunWith(RobolectricTestRunner.class)
-public class DataUsageSummaryPreferenceTest {
-
-    private static final long CYCLE_DURATION_MILLIS = 1000000000L;
-    private static final long UPDATE_LAG_MILLIS = 10000000L;
-    private static final String FAKE_CARRIER = "z-mobile";
-
-    private Activity mActivity;
-    private PreferenceViewHolder mHolder;
-    private DataUsageSummaryPreference mSummaryPreference;
-    private TextView mUsageTitle;
-    private TextView mCycleTime;
-    private TextView mCarrierInfo;
-    private TextView mDataLimits;
-    private TextView mDataUsed;
-    private TextView mDataRemaining;
-    private Button mLaunchButton;
-    private LinearLayout mLabelBar;
-    private TextView mLabel1;
-    private TextView mLabel2;
-    private ProgressBar mProgressBar;
-
-    private long mCycleEnd;
-    private long mUpdateTime;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mActivity = spy(Robolectric.setupActivity(Activity.class));
-        mSummaryPreference = new DataUsageSummaryPreference(mActivity, null /* attrs */);
-        LayoutInflater inflater = LayoutInflater.from(mActivity);
-        View view = inflater.inflate(mSummaryPreference.getLayoutResource(), null /* root */,
-                false /* attachToRoot */);
-
-        mHolder = spy(PreferenceViewHolder.createInstanceForTests(view));
-
-        final long now = System.currentTimeMillis();
-        mCycleEnd = now + CYCLE_DURATION_MILLIS;
-        mUpdateTime = now - UPDATE_LAG_MILLIS;
-    }
-
-    @Test
-    public void testSetUsageInfo_withLaunchIntent_launchButtonShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mLaunchButton.getVisibility()).isEqualTo(View.VISIBLE);
-    }
-
-    @Test
-    public void testSetUsageInfo_withoutLaunchIntent_launchButtonNotShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                null /* launchIntent */);
-
-        bindViewHolder();
-        assertThat(mLaunchButton.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testSetUsageInfo_withDataPlans_carrierInfoShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.VISIBLE);
-    }
-
-    @Test
-    public void testSetUsageInfo_withNoDataPlans_carrierInfoNotShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testCarrierUpdateTime_shouldFormatDaysCorrectly() {
-        int baseUnit = 2;
-        int smudge = 6;
-        final long updateTime = System.currentTimeMillis()
-                - TimeUnit.DAYS.toMillis(baseUnit) - TimeUnit.HOURS.toMillis(smudge);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getText().toString())
-                .isEqualTo("Updated by " + FAKE_CARRIER + " " + baseUnit + " days ago");
-    }
-
-    @Test
-    public void testCarrierUpdateTime_shouldFormatHoursCorrectly() {
-        int baseUnit = 2;
-        int smudge = 6;
-        final long updateTime = System.currentTimeMillis()
-                - TimeUnit.HOURS.toMillis(baseUnit) - TimeUnit.MINUTES.toMillis(smudge);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getText().toString())
-                .isEqualTo("Updated by " + FAKE_CARRIER + " " + baseUnit + " hr ago");
-    }
-
-    @Test
-    public void testCarrierUpdateTime_shouldFormatMinutesCorrectly() {
-        int baseUnit = 2;
-        int smudge = 6;
-        final long updateTime = System.currentTimeMillis()
-                - TimeUnit.MINUTES.toMillis(baseUnit) - TimeUnit.SECONDS.toMillis(smudge);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getText().toString())
-                .isEqualTo("Updated by " + FAKE_CARRIER + " " + baseUnit + " min ago");
-    }
-
-    @Test
-    public void testCarrierUpdateTime_shouldFormatLessThanMinuteCorrectly() {
-        final long updateTime = System.currentTimeMillis() - TimeUnit.SECONDS.toMillis(45);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getText().toString())
-                .isEqualTo("Updated by " + FAKE_CARRIER + " just now");
-    }
-
-    @Test
-    public void testCarrierUpdateTimeWithNoCarrier_shouldSayJustNow() {
-        final long updateTime = System.currentTimeMillis() - TimeUnit.SECONDS.toMillis(45);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, null /* carrier */,
-                1 /* numPlans */, new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getText().toString())
-                .isEqualTo("Updated just now");
-    }
-
-    @Test
-    public void testCarrierUpdateTimeWithNoCarrier_shouldFormatTime() {
-        final long updateTime = System.currentTimeMillis() - TimeUnit.MINUTES.toMillis(2);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, null /* carrier */,
-                1 /* numPlans */, new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getText().toString())
-                .isEqualTo("Updated 2 min ago");
-    }
-
-    @Test
-    public void setUsageInfo_withRecentCarrierUpdate_doesNotSetCarrierInfoWarningColorAndFont() {
-        final long updateTime = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(1);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCarrierInfo.getCurrentTextColor()).isEqualTo(
-                Utils.getColorAttrDefaultColor(mActivity, android.R.attr.textColorSecondary));
-        assertThat(mCarrierInfo.getTypeface()).isEqualTo(Typeface.SANS_SERIF);
-    }
-
-    @Test
-    public void testSetUsageInfo_withStaleCarrierUpdate_setsCarrierInfoWarningColorAndFont() {
-        final long updateTime = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(7);
-        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCarrierInfo.getCurrentTextColor()).isEqualTo(
-                Utils.getColorAttrDefaultColor(mActivity, android.R.attr.colorError));
-        assertThat(mCarrierInfo.getTypeface()).isEqualTo(
-                DataUsageSummaryPreference.SANS_SERIF_MEDIUM);
-    }
-
-    @Test
-    public void testSetUsageInfo_withNoDataPlans_usageTitleNotShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mUsageTitle.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testSetUsageInfo_withMultipleDataPlans_usageTitleShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 2 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mUsageTitle.getVisibility()).isEqualTo(View.VISIBLE);
-    }
-
-    @Test
-    public void testSetUsageInfo_cycleRemainingTimeIsLessOneDay() {
-        // just under one day
-        final long cycleEnd = System.currentTimeMillis() + TimeUnit.HOURS.toMillis(23);
-        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCycleTime.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCycleTime.getText()).isEqualTo(
-                mActivity.getString(R.string.billing_cycle_less_than_one_day_left));
-    }
-
-    @Test
-    public void testSetUsageInfo_cycleRemainingTimeNegativeDaysLeft_shouldDisplayNoneLeft() {
-        final long cycleEnd = System.currentTimeMillis() - 1L;
-        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCycleTime.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCycleTime.getText()).isEqualTo(
-                mActivity.getString(R.string.billing_cycle_none_left));
-    }
-
-    @Test
-    public void testSetUsageInfo_cycleRemainingTimeDaysLeft_shouldUsePlurals() {
-        final int daysLeft = 3;
-        final long cycleEnd = System.currentTimeMillis() + TimeUnit.DAYS.toMillis(daysLeft)
-                + TimeUnit.HOURS.toMillis(1);
-        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-
-        bindViewHolder();
-        assertThat(mCycleTime.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCycleTime.getText()).isEqualTo(daysLeft + " days left");
-    }
-
-    @Test
-    public void testSetLimitInfo_withLimitInfo_dataLimitsShown() {
-        final String limitText = "test limit text";
-        mSummaryPreference.setLimitInfo(limitText);
-
-        bindViewHolder();
-        assertThat(mDataLimits.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mDataLimits.getText()).isEqualTo(limitText);
-    }
-
-    @Test
-    public void testSetLimitInfo_withNullLimitInfo_dataLimitsNotShown() {
-        mSummaryPreference.setLimitInfo(null);
-
-        bindViewHolder();
-        assertThat(mDataLimits.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testSetLimitInfo_withEmptyLimitInfo_dataLimitsNotShown() {
-        final String emptyLimitText = "";
-        mSummaryPreference.setLimitInfo(emptyLimitText);
-
-        bindViewHolder();
-        assertThat(mDataLimits.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testSetChartEnabledFalse_hidesLabelBar() {
-        setValidLabels();
-        mSummaryPreference.setChartEnabled(false);
-
-        bindViewHolder();
-        assertThat(mLabelBar.getVisibility()).isEqualTo(View.GONE);
-        assertThat(mProgressBar.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testSetEmptyLabels_hidesLabelBar() {
-        mSummaryPreference.setLabels("", "");
-
-        bindViewHolder();
-        assertThat(mLabelBar.getVisibility()).isEqualTo(View.GONE);
-        assertThat(mProgressBar.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testLabelBar_isVisible_whenLabelsSet() {
-        setValidLabels();
-        //mChartEnabled defaults to true
-
-        bindViewHolder();
-        assertThat(mLabelBar.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mProgressBar.getVisibility()).isEqualTo(View.VISIBLE);
-    }
-
-    @Test
-    public void testSetProgress_updatesProgressBar() {
-        setValidLabels();
-        mSummaryPreference.setProgress(.5f);
-
-        bindViewHolder();
-        assertThat(mProgressBar.getProgress()).isEqualTo(50);
-    }
-
-    private void setValidLabels() {
-        mSummaryPreference.setLabels("0.0 GB", "5.0 GB");
-    }
-
-    @Test
-    public void testSetUsageAndRemainingInfo_withUsageInfo_dataUsageAndRemainingShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-        mSummaryPreference.setUsageNumbers(
-                BillingCycleSettings.MIB_IN_BYTES,
-                10 * BillingCycleSettings.MIB_IN_BYTES,
-                true /* hasMobileData */);
-
-        bindViewHolder();
-        assertThat(mDataUsed.getText().toString()).isEqualTo("1.00 MB used");
-        assertThat(mDataRemaining.getText().toString()).isEqualTo("9.00 MB left");
-        assertThat(mDataRemaining.getVisibility()).isEqualTo(View.VISIBLE);
-        final int colorId = Utils.getColorAttrDefaultColor(mActivity, android.R.attr.colorAccent);
-        assertThat(mDataRemaining.getCurrentTextColor()).isEqualTo(colorId);
-    }
-
-    @Test
-    public void testSetUsageInfo_withDataOverusage() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-        mSummaryPreference.setUsageNumbers(
-                11 * BillingCycleSettings.MIB_IN_BYTES,
-                10 * BillingCycleSettings.MIB_IN_BYTES,
-                true /* hasMobileData */);
-
-        bindViewHolder();
-        assertThat(mDataUsed.getText().toString()).isEqualTo("11.00 MB used");
-        assertThat(mDataRemaining.getText().toString()).isEqualTo("1.00 MB over");
-        final int colorId = Utils.getColorAttrDefaultColor(mActivity, android.R.attr.colorError);
-        assertThat(mDataRemaining.getCurrentTextColor()).isEqualTo(colorId);
-    }
-
-    @Test
-    public void testSetUsageInfo_withUsageInfo_dataUsageShown() {
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-        mSummaryPreference.setUsageNumbers(
-                BillingCycleSettings.MIB_IN_BYTES, -1L, true /* hasMobileData */);
-
-        bindViewHolder();
-        assertThat(mDataUsed.getText().toString()).isEqualTo("1.00 MB used");
-        assertThat(mDataRemaining.getText()).isEqualTo("");
-    }
-
-    @Test
-    public void testSetAppIntent_toMdpApp_intentCorrect() {
-        final FragmentActivity activity = Robolectric.setupActivity(FragmentActivity.class);
-        final Intent intent = new Intent(SubscriptionManager.ACTION_MANAGE_SUBSCRIPTION_PLANS);
-        intent.setPackage("test-owner.example.com");
-        intent.putExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, 42);
-
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                intent);
-
-        bindViewHolder();
-        assertThat(mLaunchButton.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mLaunchButton.getText())
-                .isEqualTo(mActivity.getString(R.string.launch_mdp_app_text));
-
-        mLaunchButton.callOnClick();
-        ShadowActivity shadowActivity = Shadows.shadowOf(activity);
-        Intent startedIntent = shadowActivity.getNextStartedActivity();
-        assertThat(startedIntent.getAction())
-                .isEqualTo(SubscriptionManager.ACTION_MANAGE_SUBSCRIPTION_PLANS);
-        assertThat(startedIntent.getPackage()).isEqualTo("test-owner.example.com");
-        assertThat(startedIntent.getIntExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, -1))
-                .isEqualTo(42);
-    }
-
-    @Test
-    public void testSetUsageInfo_withOverflowStrings_dataRemainingNotShown() {
-        LayoutInflater inflater = LayoutInflater.from(mActivity);
-        View view = inflater.inflate(mSummaryPreference.getLayoutResource(), null /* root */,
-                false /* attachToRoot */);
-
-        TextView dataUsed = spy(new TextView(mActivity));
-        TextView dataRemaining = spy(new TextView(mActivity));
-        doReturn(dataUsed).when(mHolder).findViewById(R.id.data_usage_view);
-        doReturn(dataRemaining).when(mHolder).findViewById(R.id.data_remaining_view);
-
-        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
-                new Intent());
-        mSummaryPreference.setUsageNumbers(
-                BillingCycleSettings.MIB_IN_BYTES,
-                10 * BillingCycleSettings.MIB_IN_BYTES,
-                true /* hasMobileData */);
-
-        when(mActivity.getResources()).thenCallRealMethod();
-        when(mActivity.getText(R.string.data_used_formatted))
-                .thenReturn("^1 ^2 used with long trailing text");
-        when(mActivity.getText(R.string.data_remaining)).thenReturn("^1 left");
-
-        bindViewHolder();
-
-        doReturn(500).when(dataUsed).getMeasuredWidth();
-        doReturn(500).when(dataRemaining).getMeasuredWidth();
-
-        assertThat(dataRemaining.getVisibility()).isEqualTo(View.VISIBLE);
-
-        MeasurableLinearLayout layout =
-                (MeasurableLinearLayout) mHolder.findViewById(R.id.usage_layout);
-        layout.measure(
-                View.MeasureSpec.makeMeasureSpec(800, View.MeasureSpec.EXACTLY),
-                View.MeasureSpec.makeMeasureSpec(1000, View.MeasureSpec.EXACTLY));
-
-        assertThat(dataUsed.getText().toString()).isEqualTo("1.00 MB used with long trailing text");
-        assertThat(dataRemaining.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void testSetWifiMode_withUsageInfo_dataUsageShown() {
-        final int daysLeft = 3;
-        final long cycleEnd = System.currentTimeMillis() + TimeUnit.DAYS.toMillis(daysLeft)
-                + TimeUnit.HOURS.toMillis(1);
-        final FragmentActivity activity = Robolectric.setupActivity(FragmentActivity.class);
-        mSummaryPreference = spy(mSummaryPreference);
-        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
-                new Intent());
-        mSummaryPreference.setUsageNumbers(1000000L, -1L, true);
-        final String cycleText = "The quick fox";
-        mSummaryPreference.setWifiMode(true /* isWifiMode */, cycleText, false /* isSingleWifi */);
-        doReturn(200L).when(mSummaryPreference).getHistoricalUsageLevel();
-
-        bindViewHolder();
-        assertThat(mUsageTitle.getText().toString())
-                .isEqualTo(mActivity.getString(R.string.data_usage_wifi_title));
-        assertThat(mUsageTitle.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCycleTime.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mCycleTime.getText()).isEqualTo(cycleText);
-        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.GONE);
-        assertThat(mDataLimits.getVisibility()).isEqualTo(View.GONE);
-        assertThat(mLaunchButton.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mLaunchButton.getText())
-                .isEqualTo(mActivity.getString(R.string.launch_wifi_text));
-
-        mLaunchButton.callOnClick();
-        ShadowActivity shadowActivity = Shadows.shadowOf(activity);
-        Intent startedIntent = shadowActivity.getNextStartedActivity();
-        assertThat(startedIntent.getComponent()).isEqualTo(new ComponentName("com.android.settings",
-                SubSettings.class.getName()));
-
-        final Bundle expect = new Bundle(1);
-        expect.putParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE,
-                NetworkTemplate.buildTemplateWifiWildcard());
-        final Bundle actual = startedIntent
-                .getBundleExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS);
-        assertThat((NetworkTemplate) actual.getParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE))
-                .isEqualTo(NetworkTemplate.buildTemplateWifiWildcard());
-
-        assertThat(startedIntent.getIntExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RESID, 0))
-                .isEqualTo(R.string.wifi_data_usage);
-    }
-
-    @Test
-    public void testSetWifiMode_noUsageInfo_shouldDisableLaunchButton() {
-        mSummaryPreference = spy(mSummaryPreference);
-        mSummaryPreference.setWifiMode(true /* isWifiMode */, "Test cycle text",
-                false /* isSingleWifi */);
-        doReturn(0L).when(mSummaryPreference).getHistoricalUsageLevel();
-
-        bindViewHolder();
-
-        assertThat(mLaunchButton.isEnabled()).isFalse();
-    }
-
-    @Test
-    public void launchWifiDataUsage_shouldSetWifiNetworkTypeInIntentExtra() {
-        mSummaryPreference.launchWifiDataUsage(mActivity);
-
-        final Intent launchIntent = Shadows.shadowOf(mActivity).getNextStartedActivity();
-        final Bundle args =
-            launchIntent.getBundleExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS);
-
-        assertThat(args.getInt(DataUsageList.EXTRA_NETWORK_TYPE))
-            .isEqualTo(ConnectivityManager.TYPE_WIFI);
-    }
-
-    private void bindViewHolder() {
-        mSummaryPreference.onBindViewHolder(mHolder);
-        mUsageTitle = (TextView) mHolder.findViewById(R.id.usage_title);
-        mCycleTime = (TextView) mHolder.findViewById(R.id.cycle_left_time);
-        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
-        mDataLimits = (TextView) mHolder.findViewById(R.id.data_limits);
-        mDataUsed = spy((TextView) mHolder.findViewById(R.id.data_usage_view));
-        mDataRemaining = spy((TextView) mHolder.findViewById(R.id.data_remaining_view));
-        mLaunchButton = (Button) mHolder.findViewById(R.id.launch_mdp_app_button);
-        mLabelBar = (LinearLayout) mHolder.findViewById(R.id.label_bar);
-        mLabel1 = (TextView) mHolder.findViewById(R.id.text1);
-        mLabel2 = (TextView) mHolder.findViewById(R.id.text2);
-        mProgressBar = (ProgressBar) mHolder.findViewById(R.id.determinateBar);
-    }
-}
diff --git a/tests/unit/Android.bp b/tests/unit/Android.bp
index 7556cbe..b857a0a 100644
--- a/tests/unit/Android.bp
+++ b/tests/unit/Android.bp
@@ -18,6 +18,7 @@
         "androidx.test.espresso.contrib-nodeps",
         "androidx.test.espresso.intents-nodeps",
         "androidx.test.ext.junit",
+        "androidx.preference_preference",
         "mockito-target-minus-junit4",
         "platform-test-annotations",
         "truth-prebuilt",
diff --git a/tests/unit/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java b/tests/unit/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
new file mode 100644
index 0000000..76deec6
--- /dev/null
+++ b/tests/unit/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
@@ -0,0 +1,571 @@
+/*
+ * Copyright (C) 2020 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.settings.datausage;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.Typeface;
+import android.net.ConnectivityManager;
+import android.net.NetworkTemplate;
+import android.os.Bundle;
+import android.telephony.SubscriptionManager;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.MeasureSpec;
+import android.widget.TextView;
+
+import androidx.preference.PreferenceViewHolder;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.SettingsActivity;
+import com.android.settings.testutils.ResourcesUtils;
+import com.android.settingslib.Utils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.MockitoAnnotations;
+
+import java.util.concurrent.TimeUnit;
+
+@RunWith(AndroidJUnit4.class)
+public class DataUsageSummaryPreferenceTest {
+
+    private static final long CYCLE_DURATION_MILLIS = 1000000000L;
+    private static final long UPDATE_LAG_MILLIS = 10000000L;
+    private static final String FAKE_CARRIER = "z-mobile";
+
+    private Context mContext;
+    private Resources mResources;
+    private PreferenceViewHolder mHolder;
+    private DataUsageSummaryPreference mSummaryPreference;
+
+    private long mCycleEnd;
+    private long mUpdateTime;
+
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mResources = spy(mContext.getResources());
+        when(mContext.getResources()).thenReturn(mResources);
+        mSummaryPreference = spy(new DataUsageSummaryPreference(mContext, null /* attrs */));
+        LayoutInflater inflater = mContext.getSystemService(LayoutInflater.class);
+        View view = inflater.inflate(
+                mSummaryPreference.getLayoutResource(),
+                null /* root */, false /* attachToRoot */);
+
+        mHolder = spy(PreferenceViewHolder.createInstanceForTests(view));
+        assertThat(mSummaryPreference.getDataUsed(mHolder)).isNotNull();
+
+        final long now = System.currentTimeMillis();
+        mCycleEnd = now + CYCLE_DURATION_MILLIS;
+        mUpdateTime = now - UPDATE_LAG_MILLIS;
+    }
+
+    @UiThreadTest
+    @Test
+    public void testSetUsageInfo_withLaunchIntent_launchButtonShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withoutLaunchIntent_launchButtonNotShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                null /* launchIntent */);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).getVisibility())
+                .isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withDataPlans_carrierInfoShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withNoDataPlans_carrierInfoNotShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getVisibility())
+                .isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testCarrierUpdateTime_shouldFormatDaysCorrectly() {
+        int baseUnit = 2;
+        int smudge = 6;
+        final long updateTime = System.currentTimeMillis()
+                - TimeUnit.DAYS.toMillis(baseUnit) - TimeUnit.HOURS.toMillis(smudge);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getText().toString())
+                .isEqualTo("Updated by " + FAKE_CARRIER + " " + baseUnit + " days ago");
+    }
+
+    @Test
+    public void testCarrierUpdateTime_shouldFormatHoursCorrectly() {
+        int baseUnit = 2;
+        int smudge = 6;
+        final long updateTime = System.currentTimeMillis()
+                - TimeUnit.HOURS.toMillis(baseUnit) - TimeUnit.MINUTES.toMillis(smudge);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getText().toString())
+                .isEqualTo("Updated by " + FAKE_CARRIER + " " + baseUnit + " hr ago");
+    }
+
+    @Test
+    public void testCarrierUpdateTime_shouldFormatMinutesCorrectly() {
+        int baseUnit = 2;
+        int smudge = 6;
+        final long updateTime = System.currentTimeMillis()
+                - TimeUnit.MINUTES.toMillis(baseUnit) - TimeUnit.SECONDS.toMillis(smudge);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getText().toString())
+                .isEqualTo("Updated by " + FAKE_CARRIER + " " + baseUnit + " min ago");
+    }
+
+    @Test
+    public void testCarrierUpdateTime_shouldFormatLessThanMinuteCorrectly() {
+        final long updateTime = System.currentTimeMillis() - TimeUnit.SECONDS.toMillis(45);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getText().toString())
+                .isEqualTo("Updated by " + FAKE_CARRIER + " just now");
+    }
+
+    @Test
+    public void testCarrierUpdateTimeWithNoCarrier_shouldSayJustNow() {
+        final long updateTime = System.currentTimeMillis() - TimeUnit.SECONDS.toMillis(45);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, null /* carrier */,
+                1 /* numPlans */, new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getText().toString())
+                .isEqualTo("Updated just now");
+    }
+
+    @Test
+    public void testCarrierUpdateTimeWithNoCarrier_shouldFormatTime() {
+        final long updateTime = System.currentTimeMillis() - TimeUnit.MINUTES.toMillis(2);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, null /* carrier */,
+                1 /* numPlans */, new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getText().toString())
+                .isEqualTo("Updated 2 min ago");
+    }
+
+    @Test
+    public void setUsageInfo_withRecentCarrierUpdate_doesNotSetCarrierInfoWarningColorAndFont() {
+        final long updateTime = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(1);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        TextView carrierInfo = mSummaryPreference.getCarrierInfo(mHolder);
+        assertThat(carrierInfo.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(carrierInfo.getCurrentTextColor()).isEqualTo(
+                Utils.getColorAttrDefaultColor(mContext, android.R.attr.textColorSecondary));
+        assertThat(carrierInfo.getTypeface()).isEqualTo(Typeface.SANS_SERIF);
+    }
+
+    @Test
+    public void testSetUsageInfo_withStaleCarrierUpdate_setsCarrierInfoWarningColorAndFont() {
+        final long updateTime = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(7);
+        mSummaryPreference.setUsageInfo(mCycleEnd, updateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        TextView carrierInfo = mSummaryPreference.getCarrierInfo(mHolder);
+        assertThat(carrierInfo.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(carrierInfo.getCurrentTextColor()).isEqualTo(
+                Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorError));
+        assertThat(carrierInfo.getTypeface()).isEqualTo(
+                DataUsageSummaryPreference.SANS_SERIF_MEDIUM);
+    }
+
+    @Test
+    public void testSetUsageInfo_withNoDataPlans_usageTitleNotShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getUsageTitle(mHolder).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withMultipleDataPlans_usageTitleShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 2 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getUsageTitle(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetUsageInfo_cycleRemainingTimeIsLessOneDay() {
+        // just under one day
+        final long cycleEnd = System.currentTimeMillis() + TimeUnit.HOURS.toMillis(23);
+        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getText()).isEqualTo(
+                ResourcesUtils.getResourcesString(
+                        mContext, "billing_cycle_less_than_one_day_left"));
+    }
+
+    @Test
+    public void testSetUsageInfo_cycleRemainingTimeNegativeDaysLeft_shouldDisplayNoneLeft() {
+        final long cycleEnd = System.currentTimeMillis() - 1L;
+        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getText()).isEqualTo(
+                ResourcesUtils.getResourcesString(mContext, "billing_cycle_none_left"));
+    }
+
+    @Test
+    public void testSetUsageInfo_cycleRemainingTimeDaysLeft_shouldUsePlurals() {
+        final int daysLeft = 3;
+        final long cycleEnd = System.currentTimeMillis() + TimeUnit.DAYS.toMillis(daysLeft)
+                + TimeUnit.HOURS.toMillis(1);
+        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getText())
+                .isEqualTo(daysLeft + " days left");
+    }
+
+    @Test
+    public void testSetLimitInfo_withLimitInfo_dataLimitsShown() {
+        final String limitText = "test limit text";
+        mSummaryPreference.setLimitInfo(limitText);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getDataLimits(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getDataLimits(mHolder).getText()).isEqualTo(limitText);
+    }
+
+    @Test
+    public void testSetLimitInfo_withNullLimitInfo_dataLimitsNotShown() {
+        mSummaryPreference.setLimitInfo(null);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getDataLimits(mHolder).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetLimitInfo_withEmptyLimitInfo_dataLimitsNotShown() {
+        final String emptyLimitText = "";
+        mSummaryPreference.setLimitInfo(emptyLimitText);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getDataLimits(mHolder).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetChartEnabledFalse_hidesLabelBar() {
+        setValidLabels();
+        mSummaryPreference.setChartEnabled(false);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getLabelBar(mHolder).getVisibility()).isEqualTo(View.GONE);
+        assertThat(mSummaryPreference.getProgressBar(mHolder).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetEmptyLabels_hidesLabelBar() {
+        mSummaryPreference.setLabels("", "");
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getLabelBar(mHolder).getVisibility()).isEqualTo(View.GONE);
+        assertThat(mSummaryPreference.getProgressBar(mHolder).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testLabelBar_isVisible_whenLabelsSet() {
+        setValidLabels();
+        //mChartEnabled defaults to true
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getLabelBar(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getProgressBar(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetProgress_updatesProgressBar() {
+        setValidLabels();
+        mSummaryPreference.setProgress(.5f);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getProgressBar(mHolder).getProgress()).isEqualTo(50);
+    }
+
+    private void setValidLabels() {
+        mSummaryPreference.setLabels("0.0 GB", "5.0 GB");
+    }
+
+    @Test
+    public void testSetUsageAndRemainingInfo_withUsageInfo_dataUsageAndRemainingShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+        mSummaryPreference.setUsageNumbers(
+                BillingCycleSettings.MIB_IN_BYTES,
+                10 * BillingCycleSettings.MIB_IN_BYTES,
+                true /* hasMobileData */);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getDataUsed(mHolder).getText().toString())
+                .isEqualTo("1.00 MB used");
+        assertThat(mSummaryPreference.getDataRemaining(mHolder).getText().toString())
+                .isEqualTo("9.00 MB left");
+        assertThat(mSummaryPreference.getDataRemaining(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        final int colorId = Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorAccent);
+        assertThat(mSummaryPreference.getDataRemaining(mHolder).getCurrentTextColor())
+                .isEqualTo(colorId);
+    }
+
+    @Test
+    public void testSetUsageInfo_withDataOverusage() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+        mSummaryPreference.setUsageNumbers(
+                11 * BillingCycleSettings.MIB_IN_BYTES,
+                10 * BillingCycleSettings.MIB_IN_BYTES,
+                true /* hasMobileData */);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getDataUsed(mHolder).getText().toString())
+                .isEqualTo("11.00 MB used");
+        assertThat(mSummaryPreference.getDataRemaining(mHolder).getText().toString())
+                .isEqualTo("1.00 MB over");
+        final int colorId = Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorError);
+        assertThat(mSummaryPreference.getDataRemaining(mHolder).getCurrentTextColor())
+                .isEqualTo(colorId);
+    }
+
+    @Test
+    public void testSetUsageInfo_withUsageInfo_dataUsageShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+        mSummaryPreference.setUsageNumbers(
+                BillingCycleSettings.MIB_IN_BYTES, -1L, true /* hasMobileData */);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getDataUsed(mHolder).getText().toString())
+                .isEqualTo("1.00 MB used");
+        assertThat(mSummaryPreference.getDataRemaining(mHolder).getText()).isEqualTo("");
+    }
+
+    @Test
+    public void testSetAppIntent_toMdpApp_intentCorrect() {
+        final Intent intent = new Intent(SubscriptionManager.ACTION_MANAGE_SUBSCRIPTION_PLANS);
+        intent.setPackage("test-owner.example.com");
+        intent.putExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, 42);
+
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                intent);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).getText())
+                .isEqualTo(ResourcesUtils.getResourcesString(mContext, "launch_mdp_app_text"));
+
+        doNothing().when(mContext).startActivity(any(Intent.class));
+        mSummaryPreference.getLaunchButton(mHolder).callOnClick();
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(
+                Intent.class);
+        verify(mContext).startActivity(intentCaptor.capture());
+        final Intent startedIntent = intentCaptor.getValue();
+
+        assertThat(startedIntent.getAction())
+                .isEqualTo(SubscriptionManager.ACTION_MANAGE_SUBSCRIPTION_PLANS);
+        assertThat(startedIntent.getPackage()).isEqualTo("test-owner.example.com");
+        assertThat(startedIntent.getIntExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, -1))
+                .isEqualTo(42);
+    }
+
+    @Test
+    public void testSetUsageInfo_withOverflowStrings_dataRemainingNotShown() {
+        LayoutInflater inflater = LayoutInflater.from(mContext);
+        View view = inflater.inflate(mSummaryPreference.getLayoutResource(), null /* root */,
+                false /* attachToRoot */);
+
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, FAKE_CARRIER, 1 /* numPlans */,
+                new Intent());
+        mSummaryPreference.setUsageNumbers(
+                BillingCycleSettings.MIB_IN_BYTES,
+                10 * BillingCycleSettings.MIB_IN_BYTES,
+                true /* hasMobileData */);
+
+        int data_used_formatted_id = ResourcesUtils.getResourcesId(
+                mContext, "string", "data_used_formatted");
+        int data_remaining_id = ResourcesUtils.getResourcesId(
+                mContext, "string", "data_remaining");
+        CharSequence data_used_formatted_cs = "^1 ^2 used with long trailing text";
+        CharSequence data_remaining_cs = "^1 left";
+        doReturn(data_used_formatted_cs).when(mResources).getText(data_used_formatted_id);
+        doReturn(data_remaining_cs).when(mResources).getText(data_remaining_id);
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+
+        TextView dataUsed = mSummaryPreference.getDataUsed(mHolder);
+        TextView dataRemaining = mSummaryPreference.getDataRemaining(mHolder);
+        int width = MeasureSpec.makeMeasureSpec(500, MeasureSpec.EXACTLY);
+        dataUsed.measure(width, MeasureSpec.UNSPECIFIED);
+        dataRemaining.measure(width, MeasureSpec.UNSPECIFIED);
+
+        assertThat(dataRemaining.getVisibility()).isEqualTo(View.VISIBLE);
+
+        MeasurableLinearLayout layout = mSummaryPreference.getLayout(mHolder);
+        layout.measure(
+                MeasureSpec.makeMeasureSpec(800, View.MeasureSpec.EXACTLY),
+                MeasureSpec.makeMeasureSpec(1000, View.MeasureSpec.EXACTLY));
+
+        assertThat(dataUsed.getText().toString()).isEqualTo("1.00 MB used with long trailing text");
+        // TODO(b/175389659): re-enable this line once cuttlefish device specs are verified.
+        // assertThat(dataRemaining.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetWifiMode_withUsageInfo_dataUsageShown() {
+        final int daysLeft = 3;
+        final long cycleEnd = System.currentTimeMillis() + TimeUnit.DAYS.toMillis(daysLeft)
+                + TimeUnit.HOURS.toMillis(1);
+        mSummaryPreference.setUsageInfo(cycleEnd, mUpdateTime, FAKE_CARRIER, 0 /* numPlans */,
+                new Intent());
+        mSummaryPreference.setUsageNumbers(1000000L, -1L, true);
+        final String cycleText = "The quick fox";
+        mSummaryPreference.setWifiMode(true /* isWifiMode */, cycleText, false /* isSingleWifi */);
+        doReturn(200L).when(mSummaryPreference).getHistoricalUsageLevel();
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+        assertThat(mSummaryPreference.getUsageTitle(mHolder).getText().toString())
+                .isEqualTo(ResourcesUtils.getResourcesString(mContext, "data_usage_wifi_title"));
+        assertThat(mSummaryPreference.getUsageTitle(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getCycleTime(mHolder).getText()).isEqualTo(cycleText);
+        assertThat(mSummaryPreference.getCarrierInfo(mHolder).getVisibility()).isEqualTo(View.GONE);
+        assertThat(mSummaryPreference.getDataLimits(mHolder).getVisibility()).isEqualTo(View.GONE);
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).getVisibility())
+                .isEqualTo(View.VISIBLE);
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).getText())
+                .isEqualTo(ResourcesUtils.getResourcesString(mContext, "launch_wifi_text"));
+
+        doNothing().when(mContext).startActivity(any(Intent.class));
+        mSummaryPreference.getLaunchButton(mHolder).callOnClick();
+
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(
+                Intent.class);
+        verify(mContext).startActivity(intentCaptor.capture());
+        final Intent startedIntent = intentCaptor.getValue();
+
+        final Bundle expect = new Bundle(1);
+        expect.putParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE,
+                NetworkTemplate.buildTemplateWifiWildcard());
+        final Bundle actual = startedIntent
+                .getBundleExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS);
+        assertThat((NetworkTemplate) actual.getParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE))
+                .isEqualTo(NetworkTemplate.buildTemplateWifiWildcard());
+
+        assertThat(startedIntent.getIntExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RESID, 0))
+                .isEqualTo(ResourcesUtils.getResourcesId(mContext, "string", "wifi_data_usage"));
+    }
+
+    @UiThreadTest
+    @Test
+    public void testSetWifiMode_noUsageInfo_shouldDisableLaunchButton() {
+        mSummaryPreference.setWifiMode(true /* isWifiMode */, "Test cycle text",
+                false /* isSingleWifi */);
+        doReturn(0L).when(mSummaryPreference).getHistoricalUsageLevel();
+
+        mSummaryPreference.onBindViewHolder(mHolder);
+
+        assertThat(mSummaryPreference.getLaunchButton(mHolder).isEnabled()).isFalse();
+    }
+
+    @Test
+    public void launchWifiDataUsage_shouldSetWifiNetworkTypeInIntentExtra() {
+        doNothing().when(mContext).startActivity(any(Intent.class));
+        mSummaryPreference.launchWifiDataUsage(mContext);
+
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(
+                Intent.class);
+        verify(mContext).startActivity(intentCaptor.capture());
+        final Intent launchIntent = intentCaptor.getValue();
+        final Bundle args =
+                launchIntent.getBundleExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS);
+
+        assertThat(args.getInt(DataUsageList.EXTRA_NETWORK_TYPE))
+            .isEqualTo(ConnectivityManager.TYPE_WIFI);
+    }
+}