public static void main(String[] arg) {
System.out.println("Calculate...");
if (arg.length == 2) {
Calculator calc = new Calculator();
Integer first = Integer.parseInt(arg[0]);
Integer second = Integer.parseInt(arg[1]);
calc.add(first, second);
System.out.println("Result: " + calc.getResult());
} else {
System.out.println("Enter two paramenters.");
}
}
@Test(timeout = 1000)
public void testSquareRoot() {
calculator.squareRoot(4);
assertEquals(2, calculator.getResult());
}
@Test
public void testDivide() {
calculator.add(8);
calculator.divide(2);
assertEquals(4, calculator.getResult());
}
@Test
public void testSubstract() {
calculator.add(10);
calculator.substract(2);
assertEquals(8, calculator.getResult());
}
@Test
public void testAdd() {
calculator.add(2);
calculator.add(3);
assertEquals(5, calculator.getResult());
}
/** печать результата */
public void report() {
System.out.println("Result: " + calc.getResult());
}
@Test
public void geometricMeanTwoNegativeOperandsExpression() {
double result = Calculator.getResult(-2, -8, Calculator.OPERATOR.GEOMETRIC_MEAN);
Assert.assertTrue(Double.isNaN(result));
}
@Test
public void minusExpression() {
double result = Calculator.getResult(2, 2, Calculator.OPERATOR.MINUS);
Assert.assertEquals(0.0, result, 0.0);
}
