public void TestIsPossibleShortNumber()
{
var possibleNumber = new PhoneNumber.Builder().SetCountryCode(33).SetNationalNumber(123456L).Build();
Assert.True(ShortInfo.IsPossibleShortNumber(possibleNumber));
Assert.True(
ShortInfo.IsPossibleShortNumberForRegion(Parse("123456", RegionCode.FR), RegionCode.FR));
var impossibleNumber = new PhoneNumber.Builder().SetCountryCode(33).SetNationalNumber(9L).Build();
Assert.False(ShortInfo.IsPossibleShortNumber(impossibleNumber));
// Note that GB and GG share the country calling code 44, and that this number is possible but
// not valid.
Assert.True(ShortInfo.IsPossibleShortNumber(
new PhoneNumber.Builder().SetCountryCode(44).SetNationalNumber(11001L).Build()));
}