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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::{subtags, LanguageIdentifier, ParserError};
type Result = std::result::Result<LanguageIdentifier, ParserError>;
fn test_langid_fixtures(tests: Vec<fixtures::LocaleTest>) {
for test in tests {
match test.output {
fixtures::LocaleInfo::String(s) => {
if let fixtures::LocaleInfo::Object(ref o) = &test.input {
if o.field_type == "Locale" {
continue;
}
}
let input: LanguageIdentifier = 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: LanguageIdentifier = test.input.try_into().expect("Parsing failed.");
let output: LanguageIdentifier = ident.try_into().expect("Parsing failed.");
assert_eq!(input, output);
}
fixtures::LocaleInfo::Object(o) => {
let input: LanguageIdentifier = test.input.try_into().expect("Parsing failed.");
let output: LanguageIdentifier = o.try_into().expect("Parsing failed.");
assert_eq!(input, output);
}
}
}
}
#[test]
fn test_langid_parsing() {
let path = "./tests/fixtures/langid.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.json";
let data = helpers::read_fixture(path).expect("Failed to read a fixture");
test_langid_fixtures(data);
}
#[test]
fn test_langid_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_langid_from_locale() {
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_subtag_language() {
let mut lang: subtags::Language = "en".parse().expect("Failed to parse a language.");
assert_eq!(lang.as_str(), "en");
lang.clear();
assert_eq!(lang, subtags::Language::UND);
assert!(lang.is_empty());
assert_writeable_eq!(lang, "und");
}
#[test]
fn test_langid_subtag_region() {
let region: subtags::Region = "en".parse().expect("Failed to parse a region.");
assert_eq!(region.as_str(), "EN");
assert_writeable_eq!(region, "EN");
}
#[test]
fn test_langid_subtag_script() {
let script: subtags::Script = "Latn".parse().expect("Failed to parse a script.");
assert_eq!(script.as_str(), "Latn");
assert_writeable_eq!(script, "Latn");
}
#[test]
fn test_langid_subtag_variant() {
let variant: subtags::Variant = "macos".parse().expect("Failed to parse a variant.");
assert_eq!(variant.as_str(), "macos");
assert_writeable_eq!(variant, "macos");
}
#[test]
fn test_langid_subtag_variants() {
let variant: subtags::Variant = "macos".parse().expect("Failed to parse a variant.");
let mut variants = subtags::Variants::from_vec_unchecked(vec![variant]);
assert_eq!(variants.get(0), Some(&variant));
variants.clear();
assert_eq!(variants.len(), 0);
}
#[test]
fn test_langid_normalizing_eq_str() {
let path = "./tests/fixtures/langid.json";
let tests: Vec<fixtures::LocaleTest> =
helpers::read_fixture(path).expect("Failed to read a fixture");
for test in tests {
let parsed: LanguageIdentifier = test.input.try_into().expect("Parsing failed.");
assert!(parsed.normalizing_eq(&parsed.write_to_string()));
}
// Check that trailing characters are not ignored
let lang: LanguageIdentifier = "en".parse().expect("Parsing failed.");
assert!(!lang.normalizing_eq("en-US"));
}
#[test]
fn test_langid_strict_cmp() {
let path = "./tests/fixtures/langid.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::String(ref s) => s.as_str(),
_ => panic!("Invalid fixture"),
})
.collect::<Vec<&str>>();
for a in bcp47_strings.iter() {
for b in bcp47_strings.iter() {
let a_langid = a
.parse::<LanguageIdentifier>()
.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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