public void op_FromString_string()
{
var expected = new Quarter(1999, 4);
var actual = Quarter.FromString("1999 Q4");
Assert.Equal(expected, actual);
}
public void op_FromString_stringNull()
{
Assert.Throws <ArgumentNullException>(() => Quarter.FromString(null));
}
public void op_FromString_stringEmpty(string value)
{
Assert.Throws <ArgumentOutOfRangeException>(() => Quarter.FromString(value));
}