@Test
public void testSimplify() {
Fraction a = new Fraction(2, 4);
a = a.simplify();
assertEquals(a, (new Fraction(1, 2)));
assertTrue(a.toValue() == 0.5);
}
@Test
public void testDivide() {
assertEquals(myFraction1.divide(myFraction2).toString(), "4 / 3");
assertEquals(myFraction3.divide(myFraction4).toString(), "5 / 2");
myFraction1 = myFraction1.add(myFraction1);
}
@Test
public void testMultiply() {
assertEquals(myFraction1.multiply(myFraction2).toString(), "12 / 25");
assertEquals(myFraction3.multiply(myFraction4).toString(), "10 / 49");
myFraction1 = myFraction1.add(myFraction1);
}
@Test
public void testSubtract() {
assertEquals(myFraction1.subtract(myFraction2).toString(), "1 / 5");
assertEquals(myFraction3.subtract(myFraction4).toString(), "3 / 7");
myFraction1 = myFraction1.add(myFraction1);
}
@Test
public void testAdd() {
assertEquals(myFraction1.add(myFraction2).toString(), "7 / 5");
assertEquals(myFraction3.add(myFraction4).toString(), "1");
myFraction1 = myFraction1.add(myFraction1);
}