|  | // errchk $G -e $F.go | 
|  |  | 
|  | // Copyright 2009 The Go Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style | 
|  | // license that can be found in the LICENSE file. | 
|  |  | 
|  | package main | 
|  |  | 
|  | const ( | 
|  | // check that surrogate pair elements are invalid | 
|  | // (d800-dbff, dc00-dfff). | 
|  | _ = '\ud7ff' // ok | 
|  | _ = '\ud800'  // ERROR "Unicode|unicode" | 
|  | _ = "\U0000D999"  // ERROR "Unicode|unicode" | 
|  | _ = '\udc01' // ERROR "Unicode|unicode" | 
|  | _ = '\U0000dddd'  // ERROR "Unicode|unicode" | 
|  | _ = '\udfff' // ERROR "Unicode|unicode" | 
|  | _ = '\ue000' // ok | 
|  | _ = '\U0010ffff'  // ok | 
|  | _ = '\U00110000'  // ERROR "Unicode|unicode" | 
|  | _ = "abc\U0010ffffdef"  // ok | 
|  | _ = "abc\U00110000def"  // ERROR "Unicode|unicode" | 
|  | _ = '\Uffffffff'  // ERROR "Unicode|unicode" | 
|  | ) | 
|  |  |