import org.junit.Test; import org.junit.Assert; public class OperationsTest { @Test public void testAdd() throws Exception { Assert.assertEquals(2, Operations.add(1, 1)); } @Test public void testSubtract() throws Exception { Assert.assertEquals(0, Operations.subtract(1, 1)); } @Test public void testMultiply() throws Exception { Assert.assertEquals(4, Operations.multiply(2, 2)); } @Test public void testDivide() { Operations operatio1 = new Operations(); Assert.assertEquals(1, Operations.divide(2, 2)); } }