--- /dev/null	2015-10-09 21:42:29.000000000 +0200
+++ new/jdk/test/java/lang/System/LoggerFinder/public/BaseLoggerFinderTest/TestLoggerFinder.java	2015-10-09 21:42:29.000000000 +0200
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+import java.util.Arrays;
+import java.util.Objects;
+import java.util.Queue;
+import java.util.ResourceBundle;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Supplier;
+import java.lang.System.Logger;
+
+/**
+ * What our test provider needs to implement.
+ * @author danielfuchs
+ */
+public interface TestLoggerFinder {
+    public final static AtomicLong sequencer = new AtomicLong();
+    public final ConcurrentHashMap<String, LoggerImpl> system = new ConcurrentHashMap<>();
+    public final ConcurrentHashMap<String, LoggerImpl> user = new ConcurrentHashMap<>();
+    public final Queue<LogEvent> eventQueue = new ArrayBlockingQueue<>(128);
+
+    public static final class LogEvent {
+
+        public LogEvent() {
+            this(sequencer.getAndIncrement());
+        }
+
+        LogEvent(long sequenceNumber) {
+            this.sequenceNumber = sequenceNumber;
+        }
+
+        long sequenceNumber;
+        boolean isLoggable;
+        String loggerName;
+        Logger.Level level;
+        ResourceBundle bundle;
+        Throwable thrown;
+        Object[] args;
+        Supplier<String> supplier;
+        String msg;
+
+        Object[] toArray() {
+            return new Object[] {
+                sequenceNumber,
+                isLoggable,
+                loggerName,
+                level,
+                bundle,
+                thrown,
+                args,
+                supplier,
+                msg,
+            };
+        }
+
+        @Override
+        public String toString() {
+            return Arrays.deepToString(toArray());
+        }
+
+
+
+        @Override
+        public boolean equals(Object obj) {
+            return obj instanceof LogEvent
+                    && Objects.deepEquals(this.toArray(), ((LogEvent)obj).toArray());
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(toArray());
+        }
+
+
+        public static LogEvent of(boolean isLoggable, String name,
+                Logger.Level level, ResourceBundle bundle,
+                String key, Throwable thrown) {
+            LogEvent evt = new LogEvent();
+            evt.isLoggable = isLoggable;
+            evt.loggerName = name;
+            evt.level = level;
+            evt.args = null;
+            evt.bundle = bundle;
+            evt.thrown = thrown;
+            evt.supplier = null;
+            evt.msg = key;
+            return evt;
+        }
+
+        public static LogEvent of(boolean isLoggable, String name,
+                Logger.Level level, ResourceBundle bundle,
+                String key, Object... params) {
+            LogEvent evt = new LogEvent();
+            evt.isLoggable = isLoggable;
+            evt.loggerName = name;
+            evt.level = level;
+            evt.args = params;
+            evt.bundle = bundle;
+            evt.thrown = null;
+            evt.supplier = null;
+            evt.msg = key;
+            return evt;
+        }
+
+        public static LogEvent of(long sequenceNumber,
+                boolean isLoggable, String name,
+                Logger.Level level, ResourceBundle bundle,
+                String key, Supplier<String> supplier,
+                Throwable thrown, Object... params) {
+            LogEvent evt = new LogEvent(sequenceNumber);
+            evt.loggerName = name;
+            evt.level = level;
+            evt.args = params;
+            evt.bundle = bundle;
+            evt.thrown = thrown;
+            evt.supplier = supplier;
+            evt.msg = key;
+            evt.isLoggable = isLoggable;
+            return evt;
+        }
+
+    }
+
+    public class LoggerImpl implements Logger {
+        final String name;
+        Logger.Level level = Logger.Level.INFO;
+
+        public LoggerImpl(String name) {
+            this.name = name;
+        }
+
+        @Override
+        public String getName() {
+            return name;
+        }
+
+        @Override
+        public boolean isLoggable(Logger.Level level) {
+            return this.level != Logger.Level.OFF && this.level.getSeverity() <= level.getSeverity();
+        }
+
+        @Override
+        public void log(Logger.Level level, ResourceBundle bundle, String key, Throwable thrown) {
+            log(LogEvent.of(isLoggable(level), this.name, level, bundle, key, thrown));
+        }
+
+        @Override
+        public void log(Logger.Level level, ResourceBundle bundle, String format, Object... params) {
+            log(LogEvent.of(isLoggable(level), name, level, bundle, format, params));
+        }
+
+        void log(LogEvent event) {
+            eventQueue.add(event);
+        }
+    }
+
+    public Logger getLogger(String name, Class<?> caller);
+    public Logger getLocalizedLogger(String name, ResourceBundle bundle, Class<?> caller);
+}