8159126: Add test to validate DriverManager.println output when DriverManager is initially loaded
Reviewed-by: psandoz, joehw
--- a/jdk/test/java/sql/testng/TEST.properties Thu Sep 15 11:07:20 2016 -0700
+++ b/jdk/test/java/sql/testng/TEST.properties Thu Sep 15 14:59:20 2016 -0400
@@ -1,3 +1,4 @@
# JDBC unit tests uses TestNG
TestNG.dirs = .
+othervm.dirs = test/sql/othervm
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/sql/testng/test/sql/othervm/DriverManagerInitTests.java Thu Sep 15 14:59:20 2016 -0400
@@ -0,0 +1,84 @@
+/*
+ * 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();
+ }
+
+ }
+
+}