Add @cmyr's tests

Manishearth · Manishearth · commit 8bac7c72ddd7 · 2016-12-21T14:28:22.000-08:00
diff --git a/src/test.rs b/src/test.rs
@@ -98,6 +98,10 @@ fn test_words() {
         ("🇦🇫🇦🇽🇦🇱🇩🇿🇦🇸🇦🇩🇦", &["🇦🇫", "🇦🇽", "🇦🇱", "🇩🇿", "🇦🇸", "🇦🇩", "🇦"]),
         ("🇦a🇫🇦🇽a🇦🇱🇩🇿🇦🇸🇦🇩🇦", &["🇦", "a", "🇫🇦", "🇽", "a", "🇦🇱", "🇩🇿", "🇦🇸", "🇦🇩", "🇦"]),
         ("\u{1f468}\u{200d}\u{1f468}\u{200d}\u{1f466}",  &["\u{1f468}\u{200d}\u{1f468}\u{200d}\u{1f466}"]),
+        ("😌👎🏼",  &["😌", "👎🏼"]),
+        // perhaps wrong, spaces should not be included?
+        ("hello world", &["hello", " ", "world"]),
+        ("🇨🇦🇨🇭🇿🇲🇿 hi", &["🇨🇦", "🇨🇭", "🇿🇲", "🇿", " ", "hi"]),
     ];
     for &(s, w) in TEST_WORD.iter().chain(EXTRA_TESTS.iter()) {
         macro_rules! assert_ {
