Merge "Gracefully handle null volumes after forgetting." into oc-dev

            Bundle savedInstanceState) {

        final StorageManager storage = getActivity().getSystemService(StorageManager.class);

        final String fsUuid = getArguments().getString(VolumeRecord.EXTRA_FS_UUID);

        // Passing null will crash the StorageManager, so let's early exit.

        if (fsUuid == null) {

            getActivity().finish();

            return null;

        }

        mRecord = storage.findRecordByUuid(fsUuid);

        if (mRecord == null) {

            getActivity().finish();

            return null;

        }

        final View view = inflater.inflate(R.layout.storage_internal_forget, container, false);

        final TextView body = (TextView) view.findViewById(R.id.body);

        final Button confirm = (Button) view.findViewById(R.id.confirm);

/*

 * Copyright (C) 2017 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.deviceinfo;

import android.content.Intent;

import android.content.Context;

import android.os.storage.VolumeRecord;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.SmallTest;

import android.support.test.rule.ActivityTestRule;

import android.support.test.runner.AndroidJUnit4;

import com.android.settings.Settings;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)

@SmallTest

public class PrivateVolumeForgetTest {

    @Rule

    public ActivityTestRule<Settings.PrivateVolumeForgetActivity> mActivityRule =

            new ActivityTestRule<>(Settings.PrivateVolumeForgetActivity.class, true, true);

    @Test

    public void test_invalidSetupDoesNotCrashSettings() {

        Context targetContext = InstrumentationRegistry.getInstrumentation().getTargetContext();

        Intent intent = new Intent(targetContext, Settings.PrivateVolumeForgetActivity.class);

        intent.putExtra(VolumeRecord.EXTRA_FS_UUID, "totally-fake-uuid-doesnt-even-fit-format");

        mActivityRule.launchActivity(intent);

        // Should exit gracefully without crashing.

    }

}

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