| /* |
| * Copyright (c) 2012, 2013, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8005263 |
| * @run testng LoggerSupplierAPIsTest |
| */ |
| |
| import java.util.logging.Logger; |
| import java.util.logging.Level; |
| import java.util.logging.Handler; |
| import java.util.logging.LogRecord; |
| import java.util.function.Supplier; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Collections; |
| |
| import org.testng.annotations.Test; |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| @Test(groups="unit") |
| public class LoggerSupplierAPIsTest { |
| static class CountingSupplier implements Supplier<String> { |
| AtomicInteger sno = new AtomicInteger(); |
| |
| @Override |
| public String get() { |
| return "Log message " + sno.getAndIncrement(); |
| } |
| |
| public int getCount() { return sno.get(); } |
| public void reset() { sno.set(0); } |
| } |
| |
| static class CountingHandler extends Handler { |
| AtomicInteger count = new AtomicInteger(); |
| ArrayList<LogRecord> ar = new ArrayList<>(); |
| |
| @Override |
| public void close() { reset(); } |
| |
| @Override |
| public void flush() { reset(); } |
| |
| @Override |
| public void publish(LogRecord lr) { |
| // Can do some more assertion here? |
| // System.out.println(lr.getMessage()); |
| count.incrementAndGet(); |
| } |
| |
| public int getCount() { |
| return count.get(); |
| } |
| |
| public List<LogRecord> getLogs() { |
| return Collections.unmodifiableList(ar); |
| } |
| |
| public void reset() { |
| count.set(0); |
| ar.clear(); |
| } |
| } |
| |
| static class HelperEx extends Exception { |
| final Level level; |
| HelperEx(Level l) { level = l; } |
| Level getLevel() { return level; } |
| } |
| |
| static class SystemInfo { |
| public static String Java() { |
| return "Java: " + System.getProperty("java.version") + |
| " installed at " + System.getProperty("java.home"); |
| } |
| |
| public static String OS() { |
| return "OS: " + System.getProperty("os.name") + |
| " " + System.getProperty("os.version") + |
| " " + System.getProperty("os.arch"); |
| } |
| } |
| |
| static final CountingSupplier supplier = new CountingSupplier(); |
| static final CountingHandler handler = new CountingHandler(); |
| static final Logger logger; |
| static final Level[] levels = { Level.ALL, Level.OFF, Level.SEVERE, |
| Level.WARNING, Level.INFO, Level.CONFIG, |
| Level.FINE, Level.FINER, Level.FINEST }; |
| static final int[] invokes = { 7, 0, 1, 2, 3, 4, 5, 6, 7 }; |
| static final int[] log_count = { 10, 0, 1, 2, 3, 4, 6, 8, 10 }; |
| |
| static { |
| logger = Logger.getLogger("LoggerSupplierApisTest"); |
| logger.setUseParentHandlers(false); |
| logger.addHandler(handler); |
| } |
| |
| public void setup() { |
| supplier.reset(); |
| handler.reset(); |
| } |
| |
| private void testLog() { |
| logger.log(Level.SEVERE, supplier); |
| logger.log(Level.WARNING, supplier); |
| logger.log(Level.INFO, supplier); |
| logger.log(Level.CONFIG, supplier); |
| logger.log(Level.FINE, supplier); |
| logger.log(Level.FINER, supplier); |
| logger.log(Level.FINEST, supplier); |
| // Lambda expression |
| logger.log(Level.FINE, () -> |
| "Timestamp: " + System.currentTimeMillis() + |
| ", user home directory: " + System.getProperty("user.home")); |
| // Method reference |
| logger.log(Level.FINER, SystemInfo::Java); |
| logger.log(Level.FINEST, SystemInfo::OS); |
| } |
| |
| private void testLogThrown() { |
| logger.log(Level.SEVERE, new HelperEx(Level.SEVERE), supplier); |
| logger.log(Level.WARNING, new HelperEx(Level.WARNING), supplier); |
| logger.log(Level.INFO, new HelperEx(Level.INFO), supplier); |
| logger.log(Level.CONFIG, new HelperEx(Level.CONFIG), supplier); |
| logger.log(Level.FINE, new HelperEx(Level.FINE), supplier); |
| logger.log(Level.FINER, new HelperEx(Level.FINER), supplier); |
| logger.log(Level.FINEST, new HelperEx(Level.FINEST), supplier); |
| // Lambda expression |
| logger.log(Level.FINE, new HelperEx(Level.FINE), () -> |
| "Timestamp: " + System.currentTimeMillis() + |
| ", user home directory: " + System.getProperty("user.home")); |
| // Method reference |
| logger.log(Level.FINER, new HelperEx(Level.FINER), SystemInfo::Java); |
| logger.log(Level.FINEST, new HelperEx(Level.FINEST), SystemInfo::OS); |
| } |
| |
| private void testLogp() { |
| final String cls = getClass().getName(); |
| final String mtd = "testLogp"; |
| |
| logger.logp(Level.SEVERE, cls, mtd, supplier); |
| logger.logp(Level.WARNING, cls, mtd, supplier); |
| logger.logp(Level.INFO, cls, mtd, supplier); |
| logger.logp(Level.CONFIG, cls, mtd, supplier); |
| logger.logp(Level.FINE, cls, mtd, supplier); |
| logger.logp(Level.FINER, cls, mtd, supplier); |
| logger.logp(Level.FINEST, cls, mtd, supplier); |
| // Lambda expression |
| logger.logp(Level.FINE, cls, mtd, () -> |
| "Timestamp: " + System.currentTimeMillis() + |
| ", user home directory: " + System.getProperty("user.home")); |
| // Method reference |
| logger.logp(Level.FINER, cls, mtd, SystemInfo::Java); |
| logger.logp(Level.FINEST, cls, mtd, SystemInfo::OS); |
| } |
| |
| private void testLogpThrown() { |
| final String cls = getClass().getName(); |
| final String mtd = "testLogpThrown"; |
| |
| logger.logp(Level.SEVERE, cls, mtd, new HelperEx(Level.SEVERE), supplier); |
| logger.logp(Level.WARNING, cls, mtd, new HelperEx(Level.WARNING), supplier); |
| logger.logp(Level.INFO, cls, mtd, new HelperEx(Level.INFO), supplier); |
| logger.logp(Level.CONFIG, cls, mtd, new HelperEx(Level.CONFIG), supplier); |
| logger.logp(Level.FINE, cls, mtd, new HelperEx(Level.FINE), supplier); |
| logger.logp(Level.FINER, cls, mtd, new HelperEx(Level.FINER), supplier); |
| logger.logp(Level.FINEST, cls, mtd, new HelperEx(Level.FINEST), supplier); |
| // Lambda expression |
| logger.logp(Level.FINE, cls, mtd, new HelperEx(Level.FINE), () -> |
| "Timestamp: " + System.currentTimeMillis() + |
| ", user home directory: " + System.getProperty("user.home")); |
| // Method reference |
| logger.logp(Level.FINER, cls, mtd, new HelperEx(Level.FINER), SystemInfo::Java); |
| logger.logp(Level.FINEST, cls, mtd, new HelperEx(Level.FINEST), SystemInfo::OS); |
| } |
| |
| private void testLevelConvenientMethods() { |
| logger.severe(supplier); |
| logger.warning(supplier); |
| logger.info(supplier); |
| logger.config(supplier); |
| logger.fine(supplier); |
| logger.finer(supplier); |
| logger.finest(supplier); |
| // Lambda expression |
| logger.fine(() -> |
| "Timestamp: " + System.currentTimeMillis() + |
| ", user home directory: " + System.getProperty("user.home")); |
| // Method reference |
| logger.finer(SystemInfo::Java); |
| logger.finest(SystemInfo::OS); |
| } |
| |
| private void validate(int index, boolean thrown, String methodName) { |
| assertEquals(supplier.getCount(), invokes[index]); |
| assertEquals(handler.getCount(), log_count[index]); |
| // Verify associated Throwable is right |
| if (thrown) { |
| for (LogRecord r: handler.getLogs()) { |
| assertTrue(r.getThrown() instanceof HelperEx, "Validate Thrown"); |
| HelperEx e = (HelperEx) r.getThrown(); |
| assertEquals(r.getLevel(), e.getLevel(), "Validate Thrown Log Level"); |
| } |
| } |
| |
| if (methodName != null) { |
| for (LogRecord r: handler.getLogs()) { |
| assertEquals(r.getSourceClassName(), getClass().getName()); |
| assertEquals(r.getSourceMethodName(), methodName); |
| } |
| } |
| } |
| |
| public void verifyLogLevel() { |
| for (int i = 0; i < levels.length; i++) { |
| logger.setLevel(levels[i]); |
| |
| setup(); |
| testLog(); |
| validate(i, false, null); |
| |
| setup(); |
| testLogThrown(); |
| validate(i, true, null); |
| |
| setup(); |
| testLogp(); |
| validate(i, false, "testLogp"); |
| |
| setup(); |
| testLogpThrown(); |
| validate(i, true, "testLogpThrown"); |
| |
| setup(); |
| testLevelConvenientMethods(); |
| validate(i, false, null); |
| } |
| } |
| } |