| /* |
| * Copyright (C) 2008 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 android.database; |
| |
| import android.content.Context; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.test.AndroidTestCase; |
| import android.util.Log; |
| |
| import androidx.test.filters.Suppress; |
| |
| import java.io.File; |
| |
| // This test suite is too desctructive and takes too long to be included in the |
| // automated suite. |
| @Suppress |
| public class DatabaseStressTest extends AndroidTestCase { |
| private static final String TAG = "DatabaseStressTest"; |
| private static final int CURRENT_DATABASE_VERSION = 1; |
| private SQLiteDatabase mDatabase; |
| private File mDatabaseFile; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| Context c = getContext(); |
| |
| mDatabaseFile = c.getDatabasePath("database_test.db"); |
| if (mDatabaseFile.exists()) { |
| mDatabaseFile.delete(); |
| } |
| |
| mDatabase = c.openOrCreateDatabase("database_test.db", 0, null); |
| |
| assertNotNull(mDatabase); |
| mDatabase.setVersion(CURRENT_DATABASE_VERSION); |
| |
| mDatabase.execSQL("CREATE TABLE IF NOT EXISTS test (_id INTEGER PRIMARY KEY, data TEXT);"); |
| |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| mDatabase.close(); |
| mDatabaseFile.delete(); |
| super.tearDown(); |
| } |
| |
| public void testSingleThreadInsertDelete() { |
| int i = 0; |
| char[] ch = new char[100000]; |
| String str = new String(ch); |
| String[] strArr = new String[1]; |
| strArr[0] = str; |
| for (; i < 10000; ++i) { |
| try { |
| mDatabase.execSQL("INSERT INTO test (data) VALUES (?)", strArr); |
| mDatabase.execSQL("delete from test;"); |
| } catch (Exception e) { |
| Log.e(TAG, "exception " + e.getMessage()); |
| } |
| } |
| } |
| |
| /** |
| * use fillup -p 90 before run the test |
| * and when disk run out |
| * start delete some fillup files |
| * and see if db recover |
| */ |
| public void testOutOfSpace() { |
| int i = 0; |
| char[] ch = new char[100000]; |
| String str = new String(ch); |
| String[] strArr = new String[1]; |
| strArr[0] = str; |
| for (; i < 10000; ++i) { |
| try { |
| mDatabase.execSQL("INSERT INTO test (data) VALUES (?)", strArr); |
| } catch (Exception e) { |
| Log.e(TAG, "exception " + e.getMessage()); |
| } |
| } |
| } |
| } |