Index: oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AsyncCacheTest.java
===================================================================
--- oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AsyncCacheTest.java	(nonexistent)
+++ oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AsyncCacheTest.java	(working copy)
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.jackrabbit.oak.plugins.document;
+
+import java.io.File;
+
+import com.google.common.cache.Cache;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.Test;
+
+import static org.junit.Assert.assertNull;
+
+public class AsyncCacheTest {
+
+    @Test
+    public void invalidateWhileInQueue() throws Exception {
+        FileUtils.deleteDirectory(new File("target/cacheTest"));
+        DocumentMK.Builder builder = new DocumentMK.Builder();
+        builder.setPersistentCache("target/cacheTest");
+        Cache<PathRev, DocumentNodeState.Children> cache = builder.buildChildrenCache();
+        DocumentNodeState.Children c = new DocumentNodeState.Children();
+        for (int i = 0; i < 100; i++) {
+            c.children.add("node-" + i);
+        }
+        PathRev key = null;
+        for (int i = 0; i < 1000; i++) {
+            key = new PathRev("/foo/bar", new RevisionVector(new Revision(i, 0, 1)));
+            cache.put(key, c);
+        }
+        cache.invalidate(key);
+        // give the write queue some time to write back entries
+        Thread.sleep(200);
+        assertNull(cache.getIfPresent(key));
+        builder.getPersistentCache().close();
+    }
+}

Property changes on: oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AsyncCacheTest.java
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+native
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