@Test
public void test_pi_subtract() {
double result = MathLib.subtract(8, MathLib.getPI());
double expected = 4.858407346410207;
assertEquals(expected, result, 0.00001);
}
@Test
public void test_subtraction_failed() {
MathLib calc = new MathLib();
double result = calc.subtract(1, 5);
double expected = 4;
assertEquals(expected, result, 0.00001);
}
