Remove test_casefold.

SimonSapin · SimonSapin · commit f2eb73d85f8e · 2015-04-21T09:42:44.000+02:00
It’s not that useful, its input being all within ASCII and unaffected by normalization,
and it sets of bad example of `char.to_lowercase().next()`,
ignoring the rest of the `ToLowercase` iterator.
diff --git a/src/lib.rs b/src/lib.rs
@@ -20,7 +20,7 @@
 //!
 //! fn main() {
 //!     assert_eq!(compose('A','\u{30a}'), Some('Å'));
-//!     
+//!
 //!     let s = "ÅΩ";
 //!     let c = UnicodeNormalization::nfc(s).collect::<String>();
 //!     assert_eq!(c, "ÅΩ");
diff --git a/src/test.rs b/src/test.rs
@@ -10,16 +10,6 @@
 
 use super::str::UnicodeNormalization;
 
-#[test]
-fn test_casefold() {
-    let u = "ABCDEFGH";
-    let l = "abcdefgh";
-    assert_eq!(&u.nfd().map(|c| c.to_lowercase().next().unwrap_or(c))
-                 .nfkd().map(|c| c.to_lowercase().next().unwrap_or(c))
-                 .nfkd().collect::<String>()[..],
-               l);
-}
-
 #[test]
 fn test_nfd() {
     macro_rules! t {
