1a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang/*
2a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * Copyright (C) 2017 The Android Open Source Project
3a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang *
4a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * Licensed under the Apache License, Version 2.0 (the "License");
5a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * you may not use this file except in compliance with the License.
6a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * You may obtain a copy of the License at
7a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang *
8a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang *      http://www.apache.org/licenses/LICENSE-2.0
9a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang *
10a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * Unless required by applicable law or agreed to in writing, software
11a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * distributed under the License is distributed on an "AS IS" BASIS,
12a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * See the License for the specific language governing permissions and
14a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang * limitations under the License.
15a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang */
16a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang
17a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhangpackage com.android.settings.testutils;
18a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang
19012028e3a320dd3eeca3c39f0e47c1c40697bdf6Fan Zhangimport android.content.Context;
20012028e3a320dd3eeca3c39f0e47c1c40697bdf6Fan Zhang
21a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhangimport com.android.settings.search.IndexDatabaseHelper;
22a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang
23a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhangimport java.lang.reflect.Field;
24a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang
25a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhangpublic class DatabaseTestUtils {
26a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang
27012028e3a320dd3eeca3c39f0e47c1c40697bdf6Fan Zhang    public static void clearDb(Context context) {
28012028e3a320dd3eeca3c39f0e47c1c40697bdf6Fan Zhang        IndexDatabaseHelper helper = IndexDatabaseHelper.getInstance(context);
29012028e3a320dd3eeca3c39f0e47c1c40697bdf6Fan Zhang        helper.close();
30012028e3a320dd3eeca3c39f0e47c1c40697bdf6Fan Zhang
31a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang        Field instance;
32a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang        Class clazz = IndexDatabaseHelper.class;
33a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang        try {
34a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang            instance = clazz.getDeclaredField("sSingleton");
35a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang            instance.setAccessible(true);
36a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang            instance.set(null, null);
37a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang        } catch (Exception e) {
38a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang            throw new RuntimeException();
39a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang        }
40a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang    }
41a8b089db8a6d495a18dc3ad91d3bd84b042fb004Fan Zhang}
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