gcc/testsuite/go.test/test/char_lit1.go

   1 // errorcheck
   2
   3 // Copyright 2009 The Go Authors. All rights reserved.
   4 // Use of this source code is governed by a BSD-style
   5 // license that can be found in the LICENSE file.
   6
   7 // Verify that illegal character literals are detected.
   8 // Does not compile.
   9
  10 package main
  11
  12 const (
  13         // check that surrogate pair elements are invalid
  14         // (d800-dbff, dc00-dfff).
  15         _ = '\ud7ff' // ok
  16         _ = '\ud800'  // ERROR "Unicode|unicode"
  17         _ = "\U0000D999"  // ERROR "Unicode|unicode"
  18         _ = '\udc01' // ERROR "Unicode|unicode"
  19         _ = '\U0000dddd'  // ERROR "Unicode|unicode"
  20         _ = '\udfff' // ERROR "Unicode|unicode"
  21         _ = '\ue000' // ok
  22         _ = '\U0010ffff'  // ok
  23         _ = '\U00110000'  // ERROR "Unicode|unicode"
  24         _ = "abc\U0010ffffdef"  // ok
  25         _ = "abc\U00110000def"  // ERROR "Unicode|unicode"
  26         _ = '\Uffffffff'  // ERROR "Unicode|unicode"
  27 )
  28