1 use tinystr::{TinyStr4, TinyStr8};
2 use unic_langid_impl::parser::errors::ParserError;
3 use unic_langid_impl::parser::parse_language_identifier;
4 use unic_langid_impl::CharacterDirection;
5 use unic_langid_impl::{LanguageIdentifier, LanguageIdentifierError};
6
assert_language_identifier( loc: &LanguageIdentifier, language: Option<&str>, script: Option<&str>, region: Option<&str>, variants: Option<&[&str]>, )7 fn assert_language_identifier(
8 loc: &LanguageIdentifier,
9 language: Option<&str>,
10 script: Option<&str>,
11 region: Option<&str>,
12 variants: Option<&[&str]>,
13 ) {
14 assert_eq!(loc.language(), language.unwrap_or("und"));
15 assert_eq!(loc.script(), script);
16 assert_eq!(loc.region(), region);
17 assert_eq!(loc.variants().collect::<Vec<_>>(), variants.unwrap_or(&[]));
18 }
19
assert_parsed_language_identifier( input: &str, language: Option<&str>, script: Option<&str>, region: Option<&str>, variants: Option<&[&str]>, )20 fn assert_parsed_language_identifier(
21 input: &str,
22 language: Option<&str>,
23 script: Option<&str>,
24 region: Option<&str>,
25 variants: Option<&[&str]>,
26 ) {
27 let langid = parse_language_identifier(input.as_bytes()).unwrap();
28 assert_language_identifier(&langid, language, script, region, variants);
29 }
30
31 #[test]
test_language_identifier_parser()32 fn test_language_identifier_parser() {
33 assert_parsed_language_identifier("pl", Some("pl"), None, None, None);
34 assert_parsed_language_identifier("und", None, None, None, None);
35 assert_parsed_language_identifier("en-US", Some("en"), None, Some("US"), None);
36 assert_parsed_language_identifier("en-Latn-US", Some("en"), Some("Latn"), Some("US"), None);
37 assert_parsed_language_identifier("sl-nedis", Some("sl"), None, None, Some(&["nedis"]));
38 }
39
40 #[test]
test_language_casing()41 fn test_language_casing() {
42 assert_parsed_language_identifier("Pl", Some("pl"), None, None, None);
43 assert_parsed_language_identifier("En-uS", Some("en"), None, Some("US"), None);
44 assert_parsed_language_identifier("eN-lAtN-uS", Some("en"), Some("Latn"), Some("US"), None);
45 assert_parsed_language_identifier("ZH_cyrl_hN", Some("zh"), Some("Cyrl"), Some("HN"), None);
46 }
47
48 #[test]
test_serialize_langid()49 fn test_serialize_langid() {
50 let langid: LanguageIdentifier = "en-Latn-US".parse().unwrap();
51 assert_eq!(&langid.to_string(), "en-Latn-US");
52 }
53
54 #[test]
test_sorted_variants()55 fn test_sorted_variants() {
56 let langid: LanguageIdentifier = "en-nedis-macos".parse().unwrap();
57 assert_eq!(&langid.to_string(), "en-macos-nedis");
58
59 let langid =
60 LanguageIdentifier::from_parts(Some("en"), None, None, &["nedis", "macos"]).unwrap();
61 assert_eq!(&langid.to_string(), "en-macos-nedis");
62 }
63
64 #[test]
test_from_parts()65 fn test_from_parts() {
66 let langid = LanguageIdentifier::from_parts(Some("en"), None, None, &["1", "macos"]);
67 assert_eq!(
68 langid,
69 Err(LanguageIdentifierError::ParserError(
70 ParserError::InvalidSubtag
71 ))
72 );
73 }
74
75 #[test]
test_from_parts_unchecked()76 fn test_from_parts_unchecked() {
77 let langid: LanguageIdentifier = "en-nedis-macos".parse().unwrap();
78 let (lang, script, region, variants) = langid.into_raw_parts();
79 let langid = LanguageIdentifier::from_raw_parts_unchecked(
80 lang.map(|l| unsafe { TinyStr8::new_unchecked(l) }),
81 script.map(|s| unsafe { TinyStr4::new_unchecked(s) }),
82 region.map(|r| unsafe { TinyStr4::new_unchecked(r) }),
83 variants.map(|v| {
84 v.into_iter()
85 .map(|v| unsafe { TinyStr8::new_unchecked(*v) })
86 .collect()
87 }),
88 );
89 assert_eq!(&langid.to_string(), "en-macos-nedis");
90 }
91
92 #[test]
test_matches()93 fn test_matches() {
94 let langid_en: LanguageIdentifier = "en".parse().unwrap();
95 let langid_en_us: LanguageIdentifier = "en-US".parse().unwrap();
96 let langid_en_us2: LanguageIdentifier = "en-US".parse().unwrap();
97 let langid_pl: LanguageIdentifier = "pl".parse().unwrap();
98 assert_eq!(langid_en.matches(&langid_en_us, false, false), false);
99 assert_eq!(langid_en_us.matches(&langid_en_us2, false, false), true);
100 assert_eq!(langid_en.matches(&langid_pl, false, false), false);
101 assert_eq!(langid_en.matches(&langid_en_us, true, false), true);
102 }
103
104 #[test]
test_set_fields()105 fn test_set_fields() {
106 let mut langid = LanguageIdentifier::default();
107 assert_eq!(&langid.to_string(), "und");
108
109 langid.set_language("pl").expect("Setting language failed");
110 assert_eq!(&langid.to_string(), "pl");
111
112 langid.set_language("de").expect("Setting language failed");
113 assert_eq!(&langid.to_string(), "de");
114 langid.set_region("AT").expect("Setting region failed");
115 assert_eq!(&langid.to_string(), "de-AT");
116 langid.set_script("Latn").expect("Setting script failed");
117 assert_eq!(&langid.to_string(), "de-Latn-AT");
118 langid
119 .set_variants(&["macos"])
120 .expect("Setting variants failed");
121 assert_eq!(&langid.to_string(), "de-Latn-AT-macos");
122
123 assert_eq!(langid.has_variant("macos"), Ok(true));
124 assert_eq!(langid.has_variant("windows"), Ok(false));
125
126 langid.clear_language();
127 assert_eq!(&langid.to_string(), "und-Latn-AT-macos");
128 langid.clear_region();
129 assert_eq!(&langid.to_string(), "und-Latn-macos");
130 langid.clear_script();
131 assert_eq!(&langid.to_string(), "und-macos");
132 langid.clear_variants();
133 assert_eq!(&langid.to_string(), "und");
134
135 assert_eq!(langid.has_variant("macos"), Ok(false));
136 }
137
138 #[test]
test_matches_as_range()139 fn test_matches_as_range() {
140 let langid: LanguageIdentifier = "en-US".parse().unwrap();
141 let langid2: LanguageIdentifier = "en-US-windows".parse().unwrap();
142 assert_eq!(langid.matches(&langid2, false, false), false);
143 assert_eq!(langid.matches(&langid2, true, false), true);
144 assert_eq!(langid.matches(&langid2, false, true), false);
145 assert_eq!(langid.matches(&langid2, true, true), true);
146 }
147
148 #[test]
test_character_direction()149 fn test_character_direction() {
150 let langid: LanguageIdentifier = "en-US".parse().unwrap();
151 let langid2: LanguageIdentifier = "ar-AF".parse().unwrap();
152 assert_eq!(langid.character_direction(), CharacterDirection::LTR);
153 assert_eq!(langid2.character_direction(), CharacterDirection::RTL);
154 }
155
156 #[test]
test_langid_ord()157 fn test_langid_ord() {
158 let input = &[
159 "en-US-macos-zarab",
160 "en-US-macos-nedis",
161 "en-US-macos",
162 "en-GB",
163 "en",
164 "en-US",
165 "ar",
166 "fr",
167 "de",
168 ];
169
170 let mut langids = input
171 .iter()
172 .map(|l| -> LanguageIdentifier { l.parse().unwrap() })
173 .collect::<Vec<_>>();
174
175 langids.sort();
176
177 let result = langids.iter().map(|l| l.to_string()).collect::<Vec<_>>();
178
179 assert_eq!(
180 &result,
181 &[
182 "ar",
183 "de",
184 "en",
185 "en-GB",
186 "en-US",
187 "en-US-macos",
188 "en-US-macos-nedis",
189 "en-US-macos-zarab",
190 "fr"
191 ]
192 );
193 }
194