import static org.junit.jupiter.api.Assertions.*; import org.junit.jupiter.api.Test; class CalculatorTest { @Test void resetTest() { Calculator cal = new Calculator(); assertTrue(cal.getResult() == 0); } @Test void addTest() { Calculator cal = new Calculator(); cal.add(1); assertEquals(1, cal.getResult()); } @Test void subtractTest() { Calculator cal = new Calculator(); cal.subtract(2); } @Test void multiplyTest() { Calculator cal = new Calculator(); cal.multiply(3); } @Test void exponentTest() { Calculator cal = new Calculator(); cal.exponent(2); } }