public void TestValidPhoneNumbersOnly()
{
List <string> possiblePhones = new List <string>()
{
"clearly-not-phone", "(21) 2724-5438", "(21) 98386-0771", "(02) 3764-0902"
};
IEnumerable <PhoneNumber> phones = PhoneUtil.RetrieveValidPhoneNumbers(possiblePhones, "BR");
HashSet <PhoneNumber> expectedPhones = new HashSet <PhoneNumber>();
expectedPhones.Add(_phoneNumberUtil.Parse("(21) 2724-5438", "BR"));
expectedPhones.Add(_phoneNumberUtil.Parse("(21) 98386-0771", "BR"));
Assert.Equal(expectedPhones.OrderBy(phone => phone.CountryCode), phones.OrderBy(phone => phone.CountryCode));
}
