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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
mod fixtures;
mod helpers;
use std::convert::TryInto;
use writeable::*;
use icu_locid::{LanguageIdentifier, Locale, ParserError};
type Result = std::result::Result<Locale, ParserError>;
fn test_langid_fixtures(tests: Vec<fixtures::LocaleTest>) {
for test in tests {
match test.output {
fixtures::LocaleInfo::String(s) => {
let input: Locale = test.input.try_into().expect("Parsing failed.");
assert_writeable_eq!(input, s);
}
fixtures::LocaleInfo::Error(err) => {
let err: ParserError = err.into();
let input: Result = test.input.try_into();
assert_eq!(input, Err(err));
}
fixtures::LocaleInfo::Identifier(ident) => {
let input: Locale = test.input.try_into().expect("Parsing failed.");
let output: Locale = ident.clone().try_into().expect("Parsing failed.");
assert_eq!(input, output);
assert_writeable_eq!(input, ident.identifier);
}
fixtures::LocaleInfo::Object(o) => {
let input: Locale = test.input.try_into().expect("Parsing failed.");
let output: Locale = o.try_into().expect("Parsing failed.");
assert_eq!(input, output);
}
}
}
}
#[test]
fn test_locale_parsing() {
let path = "./tests/fixtures/locale.json";
let data = helpers::read_fixture(path).expect("Failed to read a fixture");
test_langid_fixtures(data);
}
#[test]
fn test_langid_invalid() {
let path = "./tests/fixtures/invalid-extensions.json";
let data = helpers::read_fixture(path).expect("Failed to read a fixture");
test_langid_fixtures(data);
}
#[test]
fn test_locale_is_empty() {
let locale: Locale = Locale::default();
assert!(locale.extensions.is_empty());
assert_writeable_eq!(locale, "und");
}
#[test]
fn test_locale_conversions() {
let locale: Locale = Locale::default();
let langid: LanguageIdentifier = locale.clone().into();
let locale2: Locale = langid.into();
assert_eq!(locale, locale2);
}
#[test]
fn test_locale_canonicalize() {
let path = "./tests/fixtures/canonicalize.json";
let data = helpers::read_fixture(path).expect("Failed to read a fixture");
test_langid_fixtures(data);
}
#[test]
fn test_locale_normalizing_eq_str() {
let path = "./tests/fixtures/locale.json";
let tests: Vec<fixtures::LocaleTest> =
helpers::read_fixture(path).expect("Failed to read a fixture");
for test in tests {
let parsed: Locale = test.input.try_into().expect("Parsing failed.");
assert!(parsed.normalizing_eq(&parsed.write_to_string()));
}
// Check that trailing characters are not ignored
let locale: Locale = "en".parse().expect("Parsing failed.");
assert!(!locale.normalizing_eq("en-US"));
}
#[test]
fn test_locale_strict_cmp() {
let path = "./tests/fixtures/locale.json";
let tests: Vec<fixtures::LocaleTest> =
helpers::read_fixture(path).expect("Failed to read a fixture");
let bcp47_strings = tests
.iter()
.map(|t| match t.input {
fixtures::LocaleInfo::Identifier(ref s) => s.identifier.as_str(),
_ => match t.output {
fixtures::LocaleInfo::Identifier(ref s) => s.identifier.as_str(),
_ => panic!("No string in fixture input or output: {t:?}"),
},
})
.collect::<Vec<&str>>();
for a in bcp47_strings.iter() {
for b in bcp47_strings.iter() {
let a_langid = a.parse::<Locale>().expect("Invalid BCP-47 in fixture");
let a_normalized = a_langid.write_to_string();
let string_cmp = a_normalized.as_bytes().cmp(b.as_bytes());
let test_cmp = a_langid.strict_cmp(b.as_bytes());
assert_eq!(string_cmp, test_cmp, "{a:?}/{b:?}");
}
}
}
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