Adding explicit test for ES6 Support

src/main/java/delight/nashornsandbox/NashornSandboxes.java

@@ -25,7 +25,7 @@ public static NashornSandbox create() {
 	}
 
 	/**
-	 * <p>Create a sandbox while supplying arguments for the engine such as '--no-java'.
+	 * <p>Create a sandbox while supplying arguments for the engine such as '--language=es6'.
 	 * <p>More information on available parameters can be found in the following:
 	 * <ul>
 	 * <li><a href='http://hg.openjdk.java.net/jdk8/jdk8/nashorn/file/tip/docs/DEVELOPER_README'>Nashorn DEVELOPER README</a></li>

src/test/java/delight/nashornsandbox/TestES6.java

@@ -0,0 +1,32 @@
+package delight.nashornsandbox;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import javax.script.ScriptException;
+
+import org.junit.Test;
+
+import delight.nashornsandbox.exceptions.ScriptCPUAbuseException;
+import junit.framework.Assert;
+
+public class TestES6 {
+
+	@Test
+	public void test() throws ScriptCPUAbuseException, ScriptException {
+		NashornSandbox sandbox = NashornSandboxes.create("--language=es6");
+		sandbox.setMaxCPUTime(100);
+		sandbox.setMaxMemory(1000 * 1000);
+		ExecutorService executor = Executors.newSingleThreadExecutor();
+		sandbox.setExecutor(executor);
+		sandbox.eval("let greetUsers = (users) => {"+
+  "  users.forEach((args) => {"+
+    "  console.log(`Hello, ${args.name}! You are ${args.age} years old.`);"+
+  "});"+
+"};");
+
+		sandbox.getExecutor().shutdown();
+
+	}
+
+}