std: Add from_bytes test for utf-8 using codepoints above 0xffff

1 files changed, 3 insertions, 0 deletions

diff --git a/src/libstd/str.rs b/src/libstd/str.rs
index 9695bd16be3..fafd2ecf7a5 100644
--- a/src/libstd/str.rs
+++ b/src/libstd/str.rs
@@ -2825,7 +2825,10 @@ mod tests {
                   0x20_u8, 0x4e_u8, 0x61_u8,
                   0x6d_u8];
 
+
         assert_eq!(ss, from_bytes(bb));
+        assert_eq!(~"𐌀𐌖𐌋𐌄𐌑𐌉ปรدولة الكويتทศไทย中华𐍅𐌿𐌻𐍆𐌹𐌻𐌰",
+                   from_bytes(bytes!("𐌀𐌖𐌋𐌄𐌑𐌉ปรدولة الكويتทศไทย中华𐍅𐌿𐌻𐍆𐌹𐌻𐌰")));
     }
 
     #[test]