1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/rust/unic-langid-impl/tests/canonicalize_test.rs b/third_party/rust/unic-langid-impl/tests/canonicalize_test.rs
new file mode 100644
index 0000000000..b0195828b3
--- /dev/null
+++ b/third_party/rust/unic-langid-impl/tests/canonicalize_test.rs
@@ -0,0 +1,13 @@
+use unic_langid_impl::canonicalize;
+
+fn assert_canonicalize(input: &str, output: &str) {
+    assert_eq!(&canonicalize(input).unwrap(), output);
+}
+
+#[test]
+fn test_canonicalize() {
+    assert_canonicalize("Pl", "pl");
+    assert_canonicalize("eN-uS", "en-US");
+    assert_canonicalize("ZH_hans_hK", "zh-Hans-HK");
+    assert_canonicalize("en-scouse-fonipa", "en-fonipa-scouse");
+}