New Chronicle-Map

src/test/java/net/openhft/chronicle/map/RecursiveRefereneChMapTest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2014 Higher Frequency Trading http://www.higherfrequencytrading.com
+ *
+ * Licensed 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 net.openhft.chronicle.map;
+
+import net.openhft.lang.io.serialization.JDKObjectSerializer;
+import org.junit.Test;
+
+import java.io.*;
+import java.util.Map;
+
+import static org.junit.Assert.assertSame;
+
+public class RecursiveRefereneChMapTest {
+    public static final String TMP = System.getProperty("java.io.tmpdir");
+
+    @Test
+    public void testRecursive() throws IOException {
+        File file = new File(TMP + "/test." + System.nanoTime() + ".tmp");
+        file.deleteOnExit();
+        Map<String, StupidCycle> map = ChronicleMapBuilder.of(String.class, StupidCycle.class)
+                .entries(64)
+                .objectSerializer(JDKObjectSerializer.INSTANCE)
+                .create(file);
+        map.put("Test", new StupidCycle());
+        map.put("Test2", new StupidCycle2());
+        StupidCycle cycle = (StupidCycle) map.get("Test");
+        assertSame(cycle, cycle.cycle[0]);
+        StupidCycle cycle2 = (StupidCycle) map.get("Test2");
+        assertSame(cycle2, cycle2.cycle[0]);
+    }
+
+    public static class StupidCycle implements Serializable {
+        int dummy;
+        Object cycle[] = {this};
+    }
+
+    public static class StupidCycle2 extends StupidCycle implements Externalizable {
+        public void writeExternal(ObjectOutput out) throws IOException {
+            out.writeInt(dummy);
+            out.writeObject(cycle);
+        }
+
+        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+            dummy = in.readInt();
+            cycle = (Object[]) in.readObject();
+        }
+    }
+}