1 files changed, 157 insertions, 0 deletions
diff --git a/vendor/icu_locid/tests/langid.rs b/vendor/icu_locid/tests/langid.rs
new file mode 100644
index 000000000..96d022a9b
--- /dev/null
+++ b/vendor/icu_locid/tests/langid.rs
@@ -0,0 +1,157 @@
+// 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 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_eq!(input.to_string(), 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_eq!(lang.to_string(), "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_eq!(region.to_string(), "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_eq!(script.to_string(), "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_eq!(variant.to_string(), "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.to_string().as_str()));
+    }
+
+    // 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.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);
+        }
+    }
+}