initial import of project

01-build-and-test/build.gradle

@@ -0,0 +1,15 @@
+apply plugin: 'java'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile group: 'org.testng', name: 'testng', version: '6.+'
+}
+
+test {
+    useTestNG()
+}
+
+

01-build-and-test/src/main/java/Calculator.java

@@ -0,0 +1,19 @@
+public class Calculator {
+
+    /** Internal counter */
+    private int counter;
+
+    Calculator() {
+        counter = 0;
+    }
+
+
+    public int getCounter() {
+        return counter;
+    }
+
+    void add(int i) {
+        counter += i;
+    }
+}
+

01-build-and-test/src/test/java/TestCalculator.java

@@ -0,0 +1,13 @@
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+public class TestCalculator {
+
+    @Test
+    public void testAdd() {
+        Calculator calc = new Calculator();
+        calc.add(1);
+        Assert.assertEquals(calc.getCounter(), 1);
+    }
+}