The test case.

Calculator-Bean/ejbModule/br/ufrn/imd/imd0409/calculator/test/CalculatorUnitTestCase.java

+package br.ufrn.imd.imd0409.calculator.test;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import br.ufrn.imd.imd0409.calculator.bean.CalculatorCommonBusiness;
+import br.ufrn.imd.imd0409.calculator.bean.NoInterfaceViewCalculatorBean;
+
+public class CalculatorUnitTestCase {
+
+	@Test
+	public void testAdd() {
+		final CalculatorCommonBusiness calc = new NoInterfaceViewCalculatorBean();
+		final int expectedSum = 2 + 3 + 5;
+		
+		final int actualSum = calc.add(2, 3, 5);
+		
+		assertEquals("Addition did not return the expected result", expectedSum, actualSum);
+	}
+
+}