Added CalculatorOperationsTest.java in gradle app

GradleApp/build.gradle

@@ -6,18 +6,58 @@
  * User Manual available at https://docs.gradle.org/5.6.1/userguide/java_library_plugin.html
  */
 
-plugins {
+//plugins {
     // Apply the java-library plugin to add support for Java Library
+   // id 'application'
+//}
+
+
+//jar{
+    //manifest{
+     // attributes 'Main-Class':'com.nisum.basic.CalculatorOperations'
+   // }
+//}
+
+
+
+//mainClassName='com.nisum.basic.CalculatorOperations'
+
+//------------------------------------------------------------------------------
+
+plugins{
+     id 'java'
      id 'application'
 }
 
-jar{
-    manifest{
-      attributes 'Main-Class':'com.nisum.basic.CalculatorOperations'
+repositories{
+     mavenCentral() //collects jars from mvn central repository
+     maven{ //to collect jar from any other repository
+     url 'http://nexus.saas.hand-china.com/content/repositories/rdc/'
      }
 }
 
+dependencies{
+
+//maven central repository jar
+// https://mvnrepository.com/artifact/junit/junit
+testCompile group: 'junit', name: 'junit', version: '4.13'
 
+// maven central repository jar
+// https://mvnrepository.com/artifact/com.oracle.database.jdbc/ojdbc8
+//compile group: 'com.oracle.database.jdbc', name: 'ojdbc8', version: '19.7.0.0'
+
+//3rd party jar
+// https://mvnrepository.com/artifact/com.oracle/ojdbc7
+compile group: 'com.oracle', name: 'ojdbc7', version: '12.1.0.2'
+
+}
+
+//execute test task from 'Gradle tasks tab'
+// see result at GradleApp/build/reports/tests/test/index.html
 
 mainClassName='com.nisum.basic.CalculatorOperations'
 
+
+
+
+

GradleApp/src/main/java/com/nisum/basic/CalculatorOperations.java

@@ -9,5 +9,12 @@ public class CalculatorOperations {
 	public static void main(String[] args) {
 		CalculatorOperations operations=new CalculatorOperations();
 		System.out.println(" Result is "+operations.sum(20, 80));
+		
+		try {
+			Class.forName("oracle.jdbc.driver.OracleDriver");
+			System.out.println("JDBC driver loaded");
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
 	}
 }

GradleApp/src/test/java/com/nisum/test/CalculatorOperationsTest.java

+package com.nisum.test;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+import com.nisum.basic.CalculatorOperations;
+
+public class CalculatorOperationsTest {
+
+	@Test
+	public void testPositive() {
+		int expected=200;
+		int actual=new CalculatorOperations().sum(100, 100);
+		assertEquals("testpositive", expected, actual);
+	}
+	
+	@Test
+	public void testNegative() {
+		int expected=-200;
+		int actual=new CalculatorOperations().sum(-100, -100);
+		assertEquals("testnegative", expected, actual);
+	}
+	
+	@Test
+	public void testMixed() {
+		int expected=-100;
+		int actual=new CalculatorOperations().sum(-200, 100);
+		assertEquals("testmixed", expected, actual);
+	}
+	
+	@Test
+	@Ignore
+	public void testZero() {
+		int expected=0;
+		int actual=new CalculatorOperations().sum(0, 0);
+		assertEquals("testzero", expected, actual);
+	}
+}