OppService: Add test for IndexOutOfBoundsException crash

/*

 * Copyright 2024 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.bluetooth.opp;

import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;

import static android.content.pm.PackageManager.DONT_KILL_APP;

import android.content.ComponentName;

import android.content.ContentValues;

import android.content.Context;

import android.platform.test.flag.junit.SetFlagsRule;

import androidx.test.annotation.UiThreadTest;

import androidx.test.filters.SmallTest;

import androidx.test.platform.app.InstrumentationRegistry;

import androidx.test.runner.AndroidJUnit4;

import com.android.bluetooth.BluetoothMethodProxy;

import com.android.bluetooth.TestUtils;

import com.android.bluetooth.btservice.AdapterService;

import com.android.bluetooth.flags.Flags;

import org.junit.After;

import org.junit.Before;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

@SmallTest

@RunWith(AndroidJUnit4.class)

public class BluetoothOppServiceCleanupTest {

    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();

    private boolean mIsAdapterServiceSet;

    private Context mTargetContext;

    @Mock private AdapterService mAdapterService;

    @Before

    public void setUp() throws Exception {

        MockitoAnnotations.initMocks(this);

        mTargetContext = InstrumentationRegistry.getInstrumentation().getTargetContext();

        TestUtils.setAdapterService(mAdapterService);

        mIsAdapterServiceSet = true;

    }

    @After

    public void tearDown() throws Exception {

        BluetoothMethodProxy.setInstanceForTesting(null);

        if (mIsAdapterServiceSet) {

            TestUtils.clearAdapterService(mAdapterService);

        }

    }

    @Test

    @UiThreadTest

    public void testStopAndCleanup() {

        mSetFlagsRule.enableFlags(

                Flags.FLAG_OPP_SERVICE_FIX_INDEX_OUT_OF_BOUNDS_EXCEPTION_IN_UPDATE_THREAD);

        // Don't need to disable again since it will be handled in OppService.stop

        enableBtOppProvider();

        // Add thousands of placeholder rows

        for (int i = 0; i < 2000; i++) {

            ContentValues values = new ContentValues();

            mTargetContext.getContentResolver().insert(BluetoothShare.CONTENT_URI, values);

        }

        try {

            BluetoothOppService service = new BluetoothOppService(mTargetContext);

            service.start();

            service.setAvailable(true);

            // Call stop while UpdateThread is running.

            service.stop();

            service.cleanup();

        } finally {

            mTargetContext.getContentResolver().delete(BluetoothShare.CONTENT_URI, null, null);

        }

    }

    private void enableBtOppProvider() {

        mTargetContext

                .getPackageManager()

                .setApplicationEnabledSetting(

                        mTargetContext.getPackageName(),

                        COMPONENT_ENABLED_STATE_ENABLED,

                        DONT_KILL_APP);

        ComponentName activityName =

                new ComponentName(mTargetContext, BluetoothOppProvider.class.getCanonicalName());

        mTargetContext

                .getPackageManager()

                .setComponentEnabledSetting(

                        activityName, COMPONENT_ENABLED_STATE_ENABLED, DONT_KILL_APP);

    }

}