| // errorcheckoutput | 
 |  | 
 | // 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. | 
 |  | 
 | // Test source files and strings containing NUL and invalid UTF-8. | 
 |  | 
 | package main | 
 |  | 
 | import ( | 
 | 	"fmt" | 
 | 	"os" | 
 | ) | 
 |  | 
 | func main() { | 
 | 	var s = "\xc2\xff" | 
 | 	var t = "\xd0\xfe" | 
 | 	var u = "\xab\x00\xfc" | 
 |  | 
 | 	if len(s) != 2 || s[0] != 0xc2 || s[1] != 0xff || | 
 | 		len(t) != 2 || t[0] != 0xd0 || t[1] != 0xfe || | 
 | 		len(u) != 3 || u[0] != 0xab || u[1] != 0x00 || u[2] != 0xfc { | 
 | 		println("BUG: non-UTF-8 string mangled") | 
 | 		os.Exit(2) | 
 | 	} | 
 |  | 
 | 	fmt.Print(` | 
 | package main | 
 |  | 
 | var x = "in string ` + "\x00" + `"	// ERROR "NUL" | 
 |  | 
 | var y = ` + "`in raw string \x00 foo`" + `  // ERROR "NUL" | 
 |  | 
 | // in comment ` + "\x00" + `  // ERROR "NUL" | 
 |  | 
 | /* in other comment ` + "\x00" + ` */ // ERROR "NUL" | 
 |  | 
 | /* in source code */ ` + "\x00" + `// ERROR "NUL" "illegal character" | 
 |  | 
 | var xx = "in string ` + "\xc2\xff" + `" // ERROR "UTF-8" | 
 |  | 
 | var yy = ` + "`in raw string \xff foo`" + `  // ERROR "UTF-8" | 
 |  | 
 | // in comment ` + "\xe2\x80\x01" + `  // ERROR "UTF-8" | 
 |  | 
 | /* in other comment ` + "\xe0\x00\x00" + ` */ // ERROR "UTF-8|NUL" | 
 |  | 
 | /* in variable name */ | 
 | var z` + "\xc1\x81" + ` int // ERROR "UTF-8" "invalid identifier character" | 
 |  | 
 | /* in source code */ ` + "var \xc2A int" + `// ERROR "UTF-8" "invalid identifier character" | 
 |  | 
 | `) | 
 | } | 
 |  |