1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.testutils; 18 19 import android.content.Context; 20 21 import com.android.settings.search.IndexDatabaseHelper; 22 23 import java.lang.reflect.Field; 24 25 public class DatabaseTestUtils { 26 27 public static void clearDb(Context context) { 28 IndexDatabaseHelper helper = IndexDatabaseHelper.getInstance(context); 29 helper.close(); 30 31 Field instance; 32 Class clazz = IndexDatabaseHelper.class; 33 try { 34 instance = clazz.getDeclaredField("sSingleton"); 35 instance.setAccessible(true); 36 instance.set(null, null); 37 } catch (Exception e) { 38 throw new RuntimeException(); 39 } 40 } 41 } 42
