add array value class test

src/test/java/net/openhft/lang/values/ArrayTest.java

@@ -0,0 +1,31 @@
+package net.openhft.lang.values;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.junit.Test;
+
+import net.openhft.chronicle.map.ChronicleMap;
+import net.openhft.chronicle.map.ChronicleMapBuilder;
+
+public class ArrayTest {
+	@Test
+    public void test() throws IOException {
+		String TMP = System.getProperty("java.io.tmpdir");
+        File file = new File(TMP + "/pf-PosistionsAndClose-" + System.nanoTime());
+        ChronicleMap<Long, Double[]> writeMap = ChronicleMapBuilder
+			    .of(Long.class, Double[].class)
+			    .entries(1_000)
+			    .averageValue(new Double[150])
+			    .createPersistedTo(file); 
+    	Double a[]={2D};
+    	writeMap.put(1L,a);
+    	
+    	//read
+        ChronicleMap<Long, Double[]> readMap =
+        		ChronicleMapBuilder.of(Long.class, Double[].class)
+        		.averageValue(new Double[150])
+        		.createPersistedTo(file);
+        Double b[] = readMap.get(1L);
+	}
+}