Test use of IntValue

src/test/java/net/openhft/chronicle/map/example/WordCount.java

@@ -0,0 +1,35 @@
+package net.openhft.chronicle.map.example;
+
+public class WordCount {
+
+    static String[] words;
+    static int expectedSize;
+    static {
+        try {
+            // english version of war and peace ->  ascii
+            String fullText =
+                    new String(Files.readAllBytes(Paths.get("war_and_peace.txt")), UTF_8);
+            words = fullText.split("\\s+");
+            expectedSize = (int) Arrays.stream(words).distinct().count();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    static interface ByteableIntValue extends IntValue, Byteable {}
+
+    @Benchmark
+    public int chronicleMap() throws IOException {
+        ChronicleMap<String, ByteableIntValue> map =
+                ChronicleMapBuilder.of(String.class, ByteableIntValue.class)
+                .entrySize(16)
+                .actualSegments(1)
+                .entries(expectedSize)
+                .create();
+        ByteableIntValue v = map.acquireUsing("a", null);
+        for (String word : words) {
+            map.acquireUsing(word, v).addValue(1);
+        }
+        return map.acquireUsing("a", v).getValue();
+    }
+}