@Test
public void itShouldPrintItsValue() {
Assert.assertEquals("$ 0,00", zero.toString());
}
@Test
public void itShouldReturnTheMinimun() {
Assert.assertEquals(zero, zero.min(fraction));
}
@Test
public void testMax() {
Assert.assertEquals(one, zero.max(one));
}
@Test
public void itShouldReturnItSelfWhenIMultiplyByOne() {
Assert.assertEquals(fraction, fraction.times(1));
}
@Test
public void itShouldRecognizeWheAnotherDollarIsGreaterThenHim() {
Assert.assertTrue(one.isGreaterThan(zero));
}
@Test
public void itShouldReturnZeroWhenIMultiplyByZero() {
Assert.assertEquals(zero, one.times(0));
}
@Test
public void itShouldCalculateDiferences() {
Assert.assertEquals(one, fraction.minus(new Dollars(0.75)));
}
@Test
public void itShouldReturnItSelfWhenIAddZero() {
Dollars sum = one.plus(zero);
Assert.assertEquals(one, sum);
}
@Test
public void itShouldCalculateSumWithInts() {
Dollars sum = zero.plus(1);
Assert.assertEquals(one, sum);
}
@Test
public void itShouldCalculateSumWithDollars() {
Dollars sum = fraction.plus(one);
Assert.assertEquals(new Dollars(2.75), sum);
}
