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 10package main 11 12const ( 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 29