Test for wallpaper preference layout crash.

/*

 * Copyright (C) 2016 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;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.SmallTest;

import android.support.test.runner.AndroidJUnit4;

import android.view.LayoutInflater;

import org.junit.Test;

import org.junit.runner.RunWith;

@SmallTest

@RunWith(AndroidJUnit4.class)

public class WallpaperPreferenceLayoutTest {

    @Test

    public void testInflateWallpaperPreferenceLayout_doesNotCrash() {

      LayoutInflater.from(InstrumentationRegistry.getTargetContext())

          .inflate(R.layout.preference_wallpaper_type, null, false);

    }

}