| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package test.sql.othervm; |
| |
| import java.io.BufferedReader; |
| import java.io.CharArrayReader; |
| import java.io.CharArrayWriter; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.sql.Driver; |
| import java.sql.DriverManager; |
| import java.util.Enumeration; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import static org.testng.Assert.*; |
| import org.testng.annotations.Test; |
| |
| public class DriverManagerInitTests { |
| |
| /** |
| * Validate that when DriverManager loads the initial JDBC drivers, that the |
| * output from DriverManager.println is available by verifying that the |
| * String "JDBC DriverManager initialized" is found |
| */ |
| @Test |
| public void test() { |
| |
| CharArrayWriter cw = new CharArrayWriter(); |
| PrintWriter pw = new PrintWriter(cw); |
| DriverManager.setLogWriter(pw); |
| Enumeration<Driver> drivers = DriverManager.getDrivers(); |
| |
| try (BufferedReader reader = new BufferedReader(new CharArrayReader(cw.toCharArray()))) { |
| boolean result |
| = reader.lines().anyMatch( |
| line -> line.matches(".*JDBC DriverManager initialized.*")); |
| assertTrue(result); |
| |
| } catch (IOException ex) { |
| Logger.getLogger(DriverManagerInitTests.class.getName()).log(Level.SEVERE, null, ex); |
| fail(); |
| } |
| |
| // Check to verify that we are not initializing a 2nd time |
| cw = new CharArrayWriter(); |
| pw = new PrintWriter(cw); |
| DriverManager.setLogWriter(pw); |
| drivers = DriverManager.getDrivers(); |
| |
| try (BufferedReader reader = new BufferedReader(new CharArrayReader(cw.toCharArray()))) { |
| boolean result |
| = reader.lines().noneMatch( |
| line -> line.matches(".*JDBC DriverManager initialized.*")); |
| assertTrue(result); |
| |
| } catch (IOException ex) { |
| Logger.getLogger(DriverManagerInitTests.class.getName()).log(Level.SEVERE, null, ex); |
| fail(); |
| } |
| |
| } |
| |
| } |