[BAEL-3489] Added Java-R integration examples.

libraries-data-2/src/test/java/com/baeldung/r/FastRMeanUnitTest.java

@@ -0,0 +1,29 @@
+package com.baeldung.r;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Test for {@link FastRMean}.
+ * 
+ * @author Donato Rimenti
+ */
+@Ignore
+public class FastRMeanUnitTest {
+
+	/**
+	 * Object to test.
+	 */
+	private FastRMean fastrMean = new FastRMean();
+
+	/**
+	 * Test for {@link FastRMeanUnitTest#mean(int[])}.
+	 */
+	@Test
+	public void givenValues_whenMean_thenCorrect() {
+		int[] input = { 1, 2, 3, 4, 5 };
+		double result = fastrMean.mean(input);
+		Assert.assertEquals(3.0, result, 0.000001);
+	}
+}