f = Fraction.getFraction(Integer.MIN_VALUE, 0, 1); assertEquals("-2147483648/1", f.toString());  f = Fraction.getFraction(-1, 1, Integer.MAX_VALUE); assertEquals("-2147483648/2147483647", f.toString());
    public void testToString() {        Fraction f = null;        f = Fraction.getFraction(3, 5);        String str = f.toString();        assertEquals("3/5", str);        assertSame(str, f.toString());                f = Fraction.getFraction(7, 5);        assertEquals("7/5", f.toString());                        f = Fraction.getFraction(4, 2);        assertEquals("4/2", f.toString());                        f = Fraction.getFraction(0, 2);        assertEquals("0/2", f.toString());                        f = Fraction.getFraction(2, 2);        assertEquals("2/2", f.toString());            }