Add more tests, better naming and bug fixes

src/generated/metadata/mod.rs

@@ -2,5 +2,7 @@ mod metadata;
 mod test_metadata;
 
 pub use metadata::METADATA;
+// use only in test case 
+#[cfg(test)]
 pub use test_metadata::TEST_METADATA;
 

src/phonenumberutil/enums.rs

@@ -65,7 +65,7 @@ pub enum MatchType {
 
 /// Possible outcomes when testing if a PhoneNumber is possible.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum ValidNumberLenType {
+pub enum NumberLengthType {
     /// The number length matches that of valid numbers for this region.
     IsPossible,
     /// The number length matches that of local numbers for this region only

src/phonenumberutil/errors.rs

@@ -82,7 +82,7 @@ pub struct InvalidMetadataForValidRegionError;
 
 /// Possible outcomes when testing if a PhoneNumber is possible.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Error)]
-pub enum ValidationResultErr {
+pub enum ValidationError {
     /// The number has an invalid country calling code.
     #[error("The number has an invalid country calling code")]
     InvalidCountryCode,

src/phonenumberutil/helper_functions.rs

@@ -11,8 +11,8 @@ use crate::{
 };
 
 use super::{
-    PhoneNumberFormat, PhoneNumberType, ValidNumberLenType,
-    errors::ValidationResultErr,
+    PhoneNumberFormat, PhoneNumberType, NumberLengthType,
+    errors::ValidationError,
     helper_constants::{
         OPTIONAL_EXT_SUFFIX, PLUS_SIGN, POSSIBLE_CHARS_AFTER_EXT_LABEL,
         POSSIBLE_SEPARATORS_BETWEEN_NUMBER_AND_EXT_LABEL, RFC3966_EXTN_PREFIX, RFC3966_PREFIX,
@@ -342,7 +342,7 @@ pub fn test_number_length(
     phone_number: &str,
     phone_metadata: &PhoneMetadata,
     phone_number_type: PhoneNumberType,
-) -> Result<ValidNumberLenType, ValidationResultErr> {
+) -> Result<NumberLengthType, ValidationError> {
     let desc_for_type = get_number_desc_by_type(phone_metadata, phone_number_type);
     // There should always be "possibleLengths" set for every element. This is
     // declared in the XML schema which is verified by
@@ -394,31 +394,31 @@ pub fn test_number_length(
     // If the type is not suported at all (indicated by the possible lengths
     // containing -1 at this point) we return invalid length.
     if *possible_lengths.first().unwrap_or(&-1) == -1 {
-        return Err(ValidationResultErr::InvalidLength);
+        return Err(ValidationError::InvalidLength);
     }
 
     let actual_length = phone_number.len() as i32;
     // This is safe because there is never an overlap beween the possible lengths
     // and the local-only lengths; this is checked at build time.
     if local_lengths.contains(&actual_length) {
-        return Ok(ValidNumberLenType::IsPossibleLocalOnly);
+        return Ok(NumberLengthType::IsPossibleLocalOnly);
     }
 
     // here we can unwrap safe
     let minimum_length = possible_lengths[0];
 
     if minimum_length == actual_length {
-        return Ok(ValidNumberLenType::IsPossible);
+        return Ok(NumberLengthType::IsPossible);
     } else if minimum_length > actual_length {
-        return Err(ValidationResultErr::TooShort);
+        return Err(ValidationError::TooShort);
     } else if possible_lengths[possible_lengths.len() - 1] < actual_length {
-        return Err(ValidationResultErr::TooLong);
+        return Err(ValidationError::TooLong);
     }
     // We skip the first element; we've already checked it.
     return if possible_lengths[1..].contains(&actual_length) {
-        Ok(ValidNumberLenType::IsPossible)
+        Ok(NumberLengthType::IsPossible)
     } else {
-        Err(ValidationResultErr::InvalidLength)
+        Err(ValidationError::InvalidLength)
     };
 }
 
@@ -428,7 +428,7 @@ pub fn test_number_length(
 pub fn test_number_length_with_unknown_type(
     phone_number: &str,
     phone_metadata: &PhoneMetadata,
-) -> Result<ValidNumberLenType, ValidationResultErr> {
+) -> Result<NumberLengthType, ValidationError> {
     return test_number_length(phone_number, phone_metadata, PhoneNumberType::Unknown);
 }
 

src/phonenumberutil/mod.rs

@@ -9,7 +9,7 @@ pub(self) mod comparisons;
 
 use std::sync::LazyLock;
 
-pub use enums::{MatchType, PhoneNumberFormat, PhoneNumberType, ValidNumberLenType};
+pub use enums::{MatchType, PhoneNumberFormat, PhoneNumberType, NumberLengthType};
 use crate::phonenumberutil::phonenumberutil::PhoneNumberUtil;
 
 pub static PHONE_NUMBER_UTIL: LazyLock<PhoneNumberUtil> = LazyLock::new(|| {

src/phonenumberutil/phonenumberutil.rs

@@ -25,7 +25,7 @@ use crate::{
         errors::{
             ExtractNumberError, GetExampleNumberError, InternalLogicError,
             InvalidMetadataForValidRegionError, InvalidNumberError, ParseError,
-            ValidationResultErr,
+            ValidationError,
         }, helper_constants::{
             DEFAULT_EXTN_PREFIX, MAX_LENGTH_COUNTRY_CODE, MAX_LENGTH_FOR_NSN, MIN_LENGTH_FOR_NSN,
             NANPA_COUNTRY_CODE, PLUS_SIGN, REGION_CODE_FOR_NON_GEO_ENTITY, RFC3966_EXTN_PREFIX,
@@ -35,7 +35,7 @@ use crate::{
             is_national_number_suffix_of_the_other, load_compiled_metadata, normalize_helper,
             prefix_number_with_country_calling_code, test_number_length,
             test_number_length_with_unknown_type,
-        }, helper_types::{PhoneNumberWithCountryCodeSource}, MatchType, PhoneNumberFormat, PhoneNumberType, ValidNumberLenType
+        }, helper_types::{PhoneNumberWithCountryCodeSource}, MatchType, PhoneNumberFormat, PhoneNumberType, NumberLengthType
     }, 
     phonemetadata::{NumberFormat, PhoneMetadata, PhoneNumberDesc},
     phonenumber::{phone_number::CountryCodeSource, PhoneNumber},
@@ -53,7 +53,7 @@ pub type RegexResult<T> = std::result::Result<T, ErrorInvalidRegex>;
 pub type ParseResult<T> = std::result::Result<T, ParseError>;
 
 pub type ExampleNumberResult = std::result::Result<PhoneNumber, GetExampleNumberError>;
-pub type ValidationResult = std::result::Result<ValidNumberLenType, ValidationResultErr>;
+pub type ValidationResult = std::result::Result<NumberLengthType, ValidationError>;
 pub type MatchResult = std::result::Result<MatchType, InvalidNumberError>;
 pub type ExtractNumberResult<T> = std::result::Result<T, ExtractNumberError>;
 pub type InternalLogicResult<T> = std::result::Result<T, InternalLogicError>;
@@ -780,8 +780,8 @@ impl PhoneNumberUtil {
                     .ok_or(InvalidMetadataForValidRegionError {})?;
                 let national_number = self.get_national_significant_number(&number_no_extension);
                 let format = if self.can_be_internationally_dialled(&number_no_extension)?
-                    && test_number_length_with_unknown_type(&national_number, region_metadata)
-                        .is_err_and(|e| matches!(e, ValidationResultErr::TooShort))
+                    && !test_number_length_with_unknown_type(&national_number, region_metadata)
+                        .is_err_and(|e| matches!(e, ValidationError::TooShort))
                 {
                     PhoneNumberFormat::International
                 } else {
@@ -1686,14 +1686,14 @@ impl PhoneNumberUtil {
         // with this country calling code in the metadata for the default region in
         // this case.
         if !self.has_valid_country_calling_code(country_code) {
-            return Err(ValidationResultErr::InvalidCountryCode);
+            return Err(ValidationError::InvalidCountryCode);
         }
         let region_code = self.get_region_code_for_country_code(country_code);
         // Metadata cannot be NULL because the country calling code is valid.
         let Some(metadata) =
             self.get_metadata_for_region_or_calling_code(country_code, region_code)
         else {
-            return Err(ValidationResultErr::InvalidCountryCode);
+            return Err(ValidationError::InvalidCountryCode);
         };
         return test_number_length(&national_number, metadata, phone_number_type);
     }
@@ -1712,7 +1712,7 @@ impl PhoneNumberUtil {
             number_copy.set_national_number(national_number);
             if self
                 .is_possible_number_with_reason(&number_copy)
-                .is_err_and(|err| matches!(err, ValidationResultErr::TooShort))
+                .is_err_and(|err| matches!(err, ValidationError::TooShort))
                 || national_number == 0
             {
                 return Ok(false);
@@ -1831,11 +1831,11 @@ impl PhoneNumberUtil {
             let validation_result =
                 test_number_length_with_unknown_type(&potential_national_number, country_metadata);
             if !validation_result
-                .is_ok_and(|res| matches!(res, ValidNumberLenType::IsPossibleLocalOnly))
+                .is_ok_and(|res| matches!(res, NumberLengthType::IsPossibleLocalOnly))
                 && !validation_result.is_err_and(|err| {
                     matches!(
                         err,
-                        ValidationResultErr::TooShort | ValidationResultErr::InvalidLength
+                        ValidationError::TooShort | ValidationError::InvalidLength
                     )
                 })
             {
@@ -2040,7 +2040,7 @@ impl PhoneNumberUtil {
                     &national_number,
                     default_region_metadata,
                 )
-                .is_err_and(|e| matches!(e, ValidationResultErr::TooLong))
+                .is_err_and(|e| matches!(e, ValidationError::TooLong))
                 {
                     if keep_raw_input {
                         phone_number.set_country_code_source(
@@ -2379,11 +2379,10 @@ impl PhoneNumberUtil {
         }
 
         if (matches!(phone_number_type, PhoneNumberType::Mobile)
-            && !self
+            && self
                 .reg_exps
                 .geo_mobile_countries_without_mobile_area_codes
-                .contains(&country_calling_code))
-        {
+                .contains(&country_calling_code)) {
             return Ok(0);
         }
 

src/tests/phonenumberutil_tests.rs

@@ -1,9 +1,9 @@
 use protobuf::{Message, MessageField};
 
 use crate::{
-    enums::{PhoneNumberFormat, PhoneNumberType, ValidNumberLenType},
-    errors::{ParseError, ValidationResultErr},
-    phonemetadata::{PhoneMetadata, PhoneMetadataCollection, PhoneNumberDesc},
+    enums::{PhoneNumberFormat, PhoneNumberType, NumberLengthType},
+    errors::{ParseError, ValidationError},
+    phonemetadata::{NumberFormat, PhoneMetadata, PhoneMetadataCollection, PhoneNumberDesc},
     phonenumber::{phone_number::CountryCodeSource, PhoneNumber},
     PhoneNumberUtil,
 };
@@ -679,6 +679,261 @@ fn format_with_preferred_carrier_code() {
     assert_eq!("424 123 1234", formatted);
 }
 
+#[test]
+fn format_number_for_mobile_dialing() {
+    let phone_util = get_phone_util();
+    let mut test_number = PhoneNumber::new();
+
+    // Номера обычно набираются в национальном формате внутри страны и
+    // в международном формате из-за пределов страны.
+    test_number.set_country_code(57);
+    test_number.set_national_number(6012345678);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CO", false).unwrap();
+    assert_eq!("6012345678", formatted_number);
+
+    test_number.set_country_code(49);
+    test_number.set_national_number(30123456);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "DE", false).unwrap();
+    assert_eq!("030123456", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CH", false).unwrap();
+    assert_eq!("+4930123456", formatted_number);
+
+    test_number.set_extension("1234".to_string());
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "DE", false).unwrap();
+    assert_eq!("030123456", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CH", false).unwrap();
+    assert_eq!("+4930123456", formatted_number);
+
+    test_number.set_country_code(1);
+    test_number.clear_extension();
+    // Бесплатные номера США помечены как noInternationalDialing в тестовых метаданных
+    // для целей тестирования. Для таких номеров мы ожидаем, что ничего не будет
+    // возвращено, если код региона не совпадает.
+    test_number.set_national_number(8002530000);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", true).unwrap();
+    assert_eq!("800 253 0000", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CN", true).unwrap();
+    assert_eq!("", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("8002530000", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CN", false).unwrap();
+    assert_eq!("", formatted_number);
+
+    test_number.set_national_number(6502530000);
+    let formatted_number = phone_util
+        .format_number_for_mobile_dialing(&test_number, "US", true)
+        .unwrap();
+    assert_eq!("+1 650 253 0000", formatted_number);
+    let formatted_number = phone_util
+        .format_number_for_mobile_dialing(&test_number, "US", false)
+        .unwrap();
+    assert_eq!("+16502530000", formatted_number);
+
+    test_number.set_extension("1234".to_string());
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", true).unwrap();
+    assert_eq!("+1 650 253 0000", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("+16502530000", formatted_number);
+
+    // Невалидный номер США, который на одну цифру длиннее.
+    test_number.clear_extension();
+    test_number.set_national_number(65025300001);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", true).unwrap();
+    assert_eq!("+1 65025300001", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("+165025300001", formatted_number);
+
+    // Номера со звёздочкой. В реальности они есть в Израиле, но в наших
+    // тестовых метаданных они есть для Японии (JP).
+    test_number.set_country_code(81);
+    test_number.set_national_number(2345);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "JP", true).unwrap();
+    assert_eq!("*2345", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "JP", false).unwrap();
+    assert_eq!("*2345", formatted_number);
+
+    test_number.set_country_code(800);
+    test_number.set_national_number(12345678);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "JP", false).unwrap();
+    assert_eq!("+80012345678", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "JP", true).unwrap();
+    assert_eq!("+800 1234 5678", formatted_number);
+
+    // Номера ОАЭ, начинающиеся с 600 (классифицируются как UAN), должны набираться
+    // без +971 на местном уровне.
+    test_number.set_country_code(971);
+    test_number.set_national_number(600123456);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "JP", false).unwrap();
+    assert_eq!("+971600123456", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "AE", true).unwrap();
+    assert_eq!("600123456", formatted_number);
+
+    test_number.set_country_code(52);
+    test_number.set_national_number(3312345678);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "MX", false).unwrap();
+    assert_eq!("+523312345678", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("+523312345678", formatted_number);
+
+    // Проверяем, что узбекские номера возвращаются в международном формате, даже
+    // если набираются из того же региона или других регионов.
+    // Стационарный номер
+    test_number.set_country_code(998);
+    test_number.set_national_number(612201234);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "UZ", false).unwrap();
+    assert_eq!("+998612201234", formatted_number);
+    // Мобильный номер
+    test_number.set_national_number(950123456);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "UZ", false).unwrap();
+    assert_eq!("+998950123456", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("+998950123456", formatted_number);
+
+    // Негеографические номера всегда должны набираться в международном формате.
+    test_number.set_country_code(800);
+    test_number.set_national_number(12345678);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("+80012345678", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "001", false).unwrap();
+    assert_eq!("+80012345678", formatted_number);
+
+    // Тестируем, что короткий номер форматируется корректно для мобильного набора
+    // внутри региона и не может быть набран из-за его пределов.
+    test_number.set_country_code(49);
+    test_number.set_national_number(123);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "DE", false).unwrap();
+    assert_eq!("123", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "IT", false).unwrap();
+    assert_eq!("", formatted_number);
+
+    // Тестируем специальную логику для стран NANPA, где номера обычной длины
+    // всегда выводятся в международном формате, а короткие — в национальном.
+    test_number.set_country_code(1);
+    test_number.set_national_number(6502530000);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("+16502530000", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CA", false).unwrap();
+    assert_eq!("+16502530000", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "BR", false).unwrap();
+    assert_eq!("+16502530000", formatted_number);
+    test_number.set_national_number(911);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "US", false).unwrap();
+    assert_eq!("911", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "CA", false).unwrap();
+    assert_eq!("", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "BR", false).unwrap();
+    assert_eq!("", formatted_number);
+
+    // Тестируем, что австралийский номер экстренной службы 000 форматируется корректно.
+    test_number.set_country_code(61);
+    test_number.set_national_number(0);
+    test_number.set_italian_leading_zero(true);
+    test_number.set_number_of_leading_zeros(2);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "AU", false).unwrap();
+    assert_eq!("000", formatted_number);
+    let formatted_number = phone_util.format_number_for_mobile_dialing(&test_number, "NZ", false).unwrap();
+    assert_eq!("", formatted_number);
+}
+
+#[test]
+fn format_by_pattern() {
+    let phone_util = get_phone_util();
+    let mut test_number = PhoneNumber::new();
+    let mut number_format = NumberFormat::new();
+
+    test_number.set_country_code(1);
+    test_number.set_national_number(6502530000);
+
+    number_format.set_pattern("(\\d{3})(\\d{3})(\\d{4})".to_string());
+    number_format.set_format("($1) $2-$3".to_string());
+    
+    let number_formats = vec![number_format.clone()];
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::National, &number_formats)
+        .unwrap();
+    assert_eq!("(650) 253-0000", formatted_number);
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::International, &number_formats)
+        .unwrap();
+    assert_eq!("+1 (650) 253-0000", formatted_number);
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::RFC3966, &number_formats)
+        .unwrap();
+    assert_eq!("tel:+1-650-253-0000", formatted_number);
+
+    // $NP устанавливается в '1' для США. Здесь мы проверяем, что для других стран
+    // NANPA (Североамериканский план нумерации) правила США соблюдаются.
+    number_format.set_national_prefix_formatting_rule("$NP ($FG)".to_string());
+    number_format.set_format("$1 $2-$3".to_string());
+    let number_formats = vec![number_format.clone()];
+    
+    test_number.set_country_code(1);
+    test_number.set_national_number(4168819999);
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::National, &number_formats)
+        .unwrap();
+    assert_eq!("1 (416) 881-9999", formatted_number);
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::International, &number_formats)
+        .unwrap();
+    assert_eq!("+1 416 881-9999", formatted_number);
+    
+    test_number.set_country_code(39);
+    test_number.set_national_number(236618300);
+    test_number.set_italian_leading_zero(true);
+
+    number_format.set_pattern("(\\d{2})(\\d{5})(\\d{3})".to_string());
+    number_format.set_format("$1-$2 $3".to_string());
+    number_format.clear_national_prefix_formatting_rule();
+    let number_formats = vec![number_format.clone()];
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::National, &number_formats)
+        .unwrap();
+    assert_eq!("02-36618 300", formatted_number);
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::International, &number_formats)
+        .unwrap();
+    assert_eq!("+39 02-36618 300", formatted_number);
+    
+    test_number.set_country_code(44);
+    test_number.set_national_number(2012345678);
+    test_number.set_italian_leading_zero(false);
+    
+    number_format.set_national_prefix_formatting_rule("$NP$FG".to_string());
+    number_format.set_pattern("(\\d{2})(\\d{4})(\\d{4})".to_string());
+    number_format.set_format("$1 $2 $3".to_string());
+    let mut number_formats = vec![number_format]; // mutable vec to modify the element inside
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::National, &number_formats)
+        .unwrap();
+    assert_eq!("020 1234 5678", formatted_number);
+    
+    number_formats[0].set_national_prefix_formatting_rule("($NP$FG)".to_string());
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::National, &number_formats)
+        .unwrap();
+    assert_eq!("(020) 1234 5678", formatted_number);
+    
+    number_formats[0].clear_national_prefix_formatting_rule();
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::National, &number_formats)
+        .unwrap();
+    assert_eq!("20 1234 5678", formatted_number);
+
+    let formatted_number = phone_util
+        .format_by_pattern(&test_number, PhoneNumberFormat::International, &number_formats)
+        .unwrap();
+    assert_eq!("+44 20 1234 5678", formatted_number);
+}
+
 #[test]
 fn format_in_original_format() {
     let phone_util = get_phone_util();
@@ -1047,6 +1302,221 @@ fn format_number_with_extension() {
     assert_eq!("650 253 0000 extn. 4567", phone_util.format(&us_number_with_extension, PhoneNumberFormat::National).unwrap());
 }
 
+#[test]
+fn get_length_of_geographical_area_code() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+
+    // Google MTV, с кодом города "650".
+    number.set_country_code(1);
+    number.set_national_number(6502530000);
+    assert_eq!(3, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Бесплатный номер в Северной Америке, без кода города.
+    number.set_country_code(1);
+    number.set_national_number(8002530000);
+    assert_eq!(0, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Невалидный номер США (на 1 цифру короче), без кода города.
+    number.set_country_code(1);
+    number.set_national_number(650253000);
+    assert_eq!(0, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Google London, с кодом города "20".
+    number.set_country_code(44);
+    number.set_national_number(2070313000);
+    assert_eq!(2, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Мобильный номер в Великобритании не имеет кода города.
+    number.set_country_code(44);
+    number.set_national_number(7912345678);
+    assert_eq!(0, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Google Buenos Aires, с кодом города "11".
+    number.set_country_code(54);
+    number.set_national_number(1155303000);
+    assert_eq!(2, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Мобильный номер в Аргентине также имеет код города.
+    number.set_country_code(54);
+    number.set_national_number(91187654321);
+    assert_eq!(3, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Google Sydney, с кодом города "2".
+    number.set_country_code(61);
+    number.set_national_number(293744000);
+    assert_eq!(1, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Номера Мексики - нет национального префикса, но есть код города.
+    number.set_country_code(52);
+    number.set_national_number(3312345678);
+    assert_eq!(2, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Итальянские номера - нет национального префикса, но есть код города.
+    number.set_country_code(39);
+    number.set_national_number(236618300);
+    number.set_italian_leading_zero(true);
+    assert_eq!(2, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Google Singapore. В Сингапуре нет кода города и национального префикса.
+    number.set_country_code(65);
+    number.set_national_number(65218000);
+    number.set_italian_leading_zero(false);
+    assert_eq!(0, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Международный бесплатный номер, без кода города.
+    number.set_country_code(800);
+    number.set_national_number(12345678);
+    assert_eq!(0, phone_util.get_length_of_geographical_area_code(&number).unwrap());
+
+    // Мобильный номер из Китая является географическим, но не имеет кода города.
+    let mut cn_mobile = PhoneNumber::new();
+    cn_mobile.set_country_code(86);
+    cn_mobile.set_national_number(18912341234);
+    assert_eq!(0, phone_util.get_length_of_geographical_area_code(&cn_mobile).unwrap());
+}
+
+#[test]
+fn get_length_of_national_destination_code() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+
+    // Google MTV, с национальным кодом назначения (NDC) "650".
+    number.set_country_code(1);
+    number.set_national_number(6502530000);
+    assert_eq!(3, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Бесплатный номер Северной Америки, с NDC "800".
+    number.set_country_code(1);
+    number.set_national_number(8002530000);
+    assert_eq!(3, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Google London, с NDC "20".
+    number.set_country_code(44);
+    number.set_national_number(2070313000);
+    assert_eq!(2, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Мобильный телефон в Великобритании, с NDC "7912".
+    number.set_country_code(44);
+    number.set_national_number(7912345678);
+    assert_eq!(4, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Google Buenos Aires, с NDC "11".
+    number.set_country_code(54);
+    number.set_national_number(1155303000);
+    assert_eq!(2, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Аргентинский мобильный, с NDC "911".
+    number.set_country_code(54);
+    number.set_national_number(91187654321);
+    assert_eq!(3, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Google Sydney, с NDC "2".
+    number.set_country_code(61);
+    number.set_national_number(293744000);
+    assert_eq!(1, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Google Singapore. Сингапур имеет NDC "6521".
+    number.set_country_code(65);
+    number.set_national_number(65218000);
+    assert_eq!(4, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Невалидный номер США (на 1 цифру короче), без NDC.
+    number.set_country_code(1);
+    number.set_national_number(650253000);
+    assert_eq!(0, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Номер с невалидным кодом страны, не должен иметь NDC.
+    number.set_country_code(123);
+    number.set_national_number(650253000);
+    assert_eq!(0, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Номер, который имеет только одну группу цифр после кода страны при
+    // форматировании в международном формате.
+    number.set_country_code(376);
+    number.set_national_number(12345);
+    assert_eq!(0, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Тот же номер, но с добавочным.
+    number.set_extension("321".to_string());
+    assert_eq!(0, phone_util.get_length_of_national_destination_code(&number).unwrap());
+    
+    // Международный бесплатный номер, с NDC "1234".
+    number = PhoneNumber::new();
+    number.set_country_code(800);
+    number.set_national_number(12345678);
+    assert_eq!(4, phone_util.get_length_of_national_destination_code(&number).unwrap());
+
+    // Мобильный номер из Китая является географическим, но не имеет кода города,
+    // однако у него может быть национальный код назначения.
+    let mut cn_mobile = PhoneNumber::new();
+    cn_mobile.set_country_code(86);
+    cn_mobile.set_national_number(18912341234);
+    assert_eq!(3, phone_util.get_length_of_national_destination_code(&cn_mobile).unwrap());
+}
+
+#[test]
+fn extract_possible_number() {
+    let phone_util = get_phone_util();
+
+    // Удаляет предшествующие знаки препинания и буквы, но оставляет остальное без изменений.
+    let extracted_number = phone_util
+        .extract_possible_number("Tel:0800-345-600")
+        .unwrap();
+    assert_eq!("0800-345-600", extracted_number);
+
+    let extracted_number = phone_util
+        .extract_possible_number("Tel:0800 FOR PIZZA")
+        .unwrap();
+    assert_eq!("0800 FOR PIZZA", extracted_number);
+
+    // Не должен удалять знак плюса.
+    let extracted_number = phone_util
+        .extract_possible_number("Tel:+800-345-600")
+        .unwrap();
+    assert_eq!("+800-345-600", extracted_number);
+
+    // Должен распознавать широкие цифры как возможные начальные значения.
+    let extracted_number = phone_util
+        .extract_possible_number("\u{FF10}\u{FF12}\u{FF13}")
+        .unwrap(); // "０２３"
+    assert_eq!("\u{FF10}\u{FF12}\u{FF13}", extracted_number);
+
+    // Дефисы не являются возможными начальными значениями и должны быть удалены.
+    let extracted_number = phone_util.
+        extract_possible_number("Num-\u{FF11}\u{FF12}\u{FF13}")
+        .unwrap(); // "Num-１２３"
+    assert_eq!("\u{FF11}\u{FF12}\u{FF13}", extracted_number);
+
+    // Если возможный номер отсутствует, возвращается пустая строка.
+    let extracted_number = phone_util
+        .extract_possible_number("Num-....");
+    assert!(extracted_number.is_err());
+
+    // Ведущие скобки удаляются - они не используются при парсинге.
+    let extracted_number = phone_util
+        .extract_possible_number("(650) 253-0000")
+        .unwrap();
+    assert_eq!("650) 253-0000", extracted_number);
+
+    // Конечные не-буквенно-цифровые символы должны быть удалены.
+    let extracted_number = phone_util
+        .extract_possible_number("(650) 253-0000..- ..")
+        .unwrap();
+    assert_eq!("650) 253-0000", extracted_number);
+
+    let extracted_number = phone_util
+        .extract_possible_number("(650) 253-0000.")
+        .unwrap();
+    assert_eq!("650) 253-0000", extracted_number);
+
+    // Этот случай имеет конечный символ RTL.
+    let extracted_number = phone_util
+        .extract_possible_number("(650) 253-0000\u{200F}")
+        .unwrap(); // "(650) 253-0000‏"
+    assert_eq!("650) 253-0000", extracted_number);
+}
+
 #[test]
 fn is_valid_number() {
     let phone_util = get_phone_util();
@@ -1232,6 +1702,106 @@ fn is_possible_number() {
     assert!(phone_util.is_possible_number_for_string("+800 1234 5678", RegionCode::un001()));
 }
 
+#[test]
+fn is_possible_number_for_type_different_type_lengths() {
+    let phone_util = get_phone_util();
+    // Мы используем аргентинские номера, так как у них разная возможная длина для
+    // разных типов.
+    let mut number = PhoneNumber::new();
+    number.set_country_code(54);
+    number.set_national_number(12345);
+
+    // Слишком короткий для любого аргентинского номера, включая стационарный.
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+
+    // 6-значные номера подходят для стационарных телефонов.
+    number.set_national_number(123456);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    // Но слишком короткие для мобильных.
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+    // И слишком короткие для бесплатных номеров.
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::TollFree));
+
+    // То же самое относится к 9-значным номерам.
+    number.set_national_number(123456789);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::TollFree));
+
+    // 10-значные номера возможны для всех типов.
+    number.set_national_number(1234567890);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::TollFree));
+
+    // 11-значные номера возможны только для мобильных номеров. Обратите внимание, что мы не
+    // требуем ведущую 9, с которой начинаются все мобильные номера и которая
+    // была бы необходима для действительного мобильного номера.
+    number.set_national_number(12345678901);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::TollFree));
+}
+
+#[test]
+fn is_possible_number_for_type_local_only() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // Здесь мы тестируем длину номера, которая соответствует длине только для местных номеров.
+    number.set_country_code(49);
+    number.set_national_number(12);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    // Мобильные номера должны состоять из 10 или 11 цифр, и для них нет длин,
+    // предназначенных только для местных номеров.
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+}
+
+#[test]
+fn is_possible_number_for_type_data_missing_for_size_reasons() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // Здесь мы тестируем случай, когда возможные длины соответствуют возможным
+    // длинам страны в целом и, следовательно, отсутствуют в бинарных данных
+    // по соображениям размера - это все равно должно работать.
+    // Номер только для местного использования.
+    number.set_country_code(55);
+    number.set_national_number(12345678);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+
+    number.set_national_number(1234567890);
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::Unknown));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+}
+
+#[test]
+fn is_possible_number_for_type_number_type_not_supported_for_region() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // Для этого региона вообще нет мобильных номеров, поэтому мы возвращаем false.
+    number.set_country_code(55);
+    number.set_national_number(12345678);
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+    // Однако это соответствует длине стационарного номера.
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLineOrMobile));
+
+    // Для этого кода страны вообще нет ни стационарных, ни мобильных номеров,
+    // поэтому мы возвращаем false для них.
+    number.set_country_code(979);
+    number.set_national_number(123456789);
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::Mobile));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLine));
+    assert!(!phone_util.is_possible_number_for_type(&number, PhoneNumberType::FixedLineOrMobile));
+    assert!(phone_util.is_possible_number_for_type(&number, PhoneNumberType::PremiumRate));
+}
+
 #[test]
 fn is_not_possible_number() {
     let phone_util = get_phone_util();
@@ -1270,36 +1840,36 @@ fn is_possible_number_with_reason() {
 
     number.set_country_code(1);
     number.set_national_number(6502530000);
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_with_reason(&number));
 
     number.set_national_number(2530000);
-    assert_eq!(Ok(ValidNumberLenType::IsPossibleLocalOnly), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_with_reason(&number));
     
     number.set_country_code(0);
-    assert_eq!(Err(ValidationResultErr::InvalidCountryCode), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Err(ValidationError::InvalidCountryCode), phone_util.is_possible_number_with_reason(&number));
 
     number.set_country_code(1);
     number.set_national_number(253000);
-    assert_eq!(Err(ValidationResultErr::TooShort), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_with_reason(&number));
 
     number.set_national_number(65025300000);
-    assert_eq!(Err(ValidationResultErr::TooLong), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_with_reason(&number));
 
     number.set_country_code(44);
     number.set_national_number(2070310000);
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_with_reason(&number));
 
     number.set_country_code(49);
     number.set_national_number(30123456);
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_with_reason(&number));
 
     number.set_country_code(65);
     number.set_national_number(1234567890);
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_with_reason(&number));
 
     number.set_country_code(800);
     number.set_national_number(123456789);
-    assert_eq!(Err(ValidationResultErr::TooLong), phone_util.is_possible_number_with_reason(&number));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_with_reason(&number));
 }
 
 #[test]
@@ -1309,33 +1879,170 @@ fn is_possible_number_for_type_with_reason() {
     ar_number.set_country_code(54);
 
     ar_number.set_national_number(12345);
-    assert_eq!(Err(ValidationResultErr::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Unknown));
-    assert_eq!(Err(ValidationResultErr::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Unknown));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::FixedLine));
 
     ar_number.set_national_number(123456);
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Unknown));
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::FixedLine));
-    assert_eq!(Err(ValidationResultErr::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Mobile));
-    assert_eq!(Err(ValidationResultErr::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::TollFree));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::TollFree));
 
     ar_number.set_national_number(12345678901);
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Unknown));
-    assert_eq!(Err(ValidationResultErr::TooLong), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::FixedLine));
-    assert_eq!(Ok(ValidNumberLenType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Mobile));
-    assert_eq!(Err(ValidationResultErr::TooLong), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::TollFree));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Unknown));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::FixedLine));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&ar_number, PhoneNumberType::TollFree));
     
     let mut de_number = PhoneNumber::new();
     de_number.set_country_code(49);
     de_number.set_national_number(12);
-    assert_eq!(Ok(ValidNumberLenType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&de_number, PhoneNumberType::Unknown));
-    assert_eq!(Ok(ValidNumberLenType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&de_number, PhoneNumberType::FixedLine));
-    assert_eq!(Err(ValidationResultErr::TooShort), phone_util.is_possible_number_for_type_with_reason(&de_number, PhoneNumberType::Mobile));
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&de_number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&de_number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&de_number, PhoneNumberType::Mobile));
 
     let mut br_number = PhoneNumber::new();
     br_number.set_country_code(55);
     br_number.set_national_number(12345678);
-    assert_eq!(Err(ValidationResultErr::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&br_number, PhoneNumberType::Mobile));
-    assert_eq!(Ok(ValidNumberLenType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&br_number, PhoneNumberType::FixedLineOrMobile));
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&br_number, PhoneNumberType::Mobile));
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&br_number, PhoneNumberType::FixedLineOrMobile));
+}
+
+#[test]
+fn is_possible_number_for_type_with_reason_different_type_lengths() {
+    // Мы используем аргентинские номера, так как у них разная возможная длина для разных типов.
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    number.set_country_code(54);
+    number.set_national_number(12345);
+
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+
+    // 6-значные номера подходят для стационарных телефонов.
+    number.set_national_number(123456);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    // Но слишком коротки для мобильных.
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    // И слишком коротки для бесплатных номеров.
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::TollFree));
+
+    // То же самое касается 9-значных номеров.
+    number.set_national_number(123456789);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::TollFree));
+
+    // 10-значные номера возможны для всех типов.
+    number.set_national_number(1234567890);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::TollFree));
+
+    // 11-значные номера возможны для мобильных номеров. Обратите внимание, что мы не требуем ведущую 9,
+    // с которой начинаются все мобильные номера и которая была бы необходима для действительного мобильного номера.
+    number.set_national_number(12345678901);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::TollFree));
+}
+
+#[test]
+fn is_possible_number_for_type_with_reason_local_only() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // Здесь мы тестируем длину номера, которая соответствует только местной длине.
+    number.set_country_code(49);
+    number.set_national_number(12);
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    // Мобильные номера должны состоять из 10 или 11 цифр, и для них нет только местных длин.
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+}
+
+#[test]
+fn is_possible_number_for_type_with_reason_data_missing_for_size_reasons() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // Здесь мы тестируем случай, когда возможные длины соответствуют возможным длинам страны в целом
+    // и поэтому отсутствуют в бинарных данных по соображениям размера - это все равно должно работать.
+    // Номер только для местного использования.
+    number.set_country_code(55);
+    number.set_national_number(12345678);
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    // Номер нормальной длины.
+    number.set_national_number(1234567890);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Unknown));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+}
+
+#[test]
+fn is_possible_number_for_type_with_reason_number_type_not_supported_for_region() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // В этом регионе вообще *нет* мобильных номеров, поэтому мы возвращаем INVALID_LENGTH.
+    number.set_country_code(55);
+    number.set_national_number(12345678);
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    // Однако это соответствует длине стационарного номера.
+    assert_eq!(Ok(NumberLengthType::IsPossibleLocalOnly), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+    // Этот номер слишком короткий для стационарного, а мобильных номеров не существует.
+    number.set_national_number(1234567);
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    // Этот номер слишком короткий для мобильного, а стационарных номеров не существует.
+    number.set_country_code(882);
+    number.set_national_number(1234567);
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+
+    // Для этого кода страны вообще *нет* ни стационарных, ни мобильных номеров,
+    // поэтому мы возвращаем INVALID_LENGTH.
+    number.set_country_code(979);
+    number.set_national_number(123456789);
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::PremiumRate));
+}
+
+#[test]
+fn is_possible_number_for_type_with_reason_fixed_line_or_mobile() {
+    let phone_util = get_phone_util();
+    let mut number = PhoneNumber::new();
+    // Для FIXED_LINE_OR_MOBILE номер должен считаться действительным, если он соответствует
+    // возможным длинам для мобильных *или* стационарных номеров.
+    number.set_country_code(290);
+    number.set_national_number(1234);
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+
+    number.set_national_number(12345);
+    assert_eq!(Err(ValidationError::TooShort), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::InvalidLength), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+
+    number.set_national_number(123456);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+
+    number.set_national_number(1234567);
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLine));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::Mobile));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
+
+    number.set_national_number(12345678);
+    assert_eq!(Ok(NumberLengthType::IsPossible), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::TollFree));
+    assert_eq!(Err(ValidationError::TooLong), phone_util.is_possible_number_for_type_with_reason(&number, PhoneNumberType::FixedLineOrMobile));
 }
 
 #[test]

tools/scripts/generate_metadata.sh

@@ -33,5 +33,7 @@ mod metadata;
 mod test_metadata;
 
 pub use metadata::METADATA;
+// use only in test case 
+#[cfg(test)]
 pub use test_metadata::TEST_METADATA;
 " > "$generated_dir/mod.rs"