github.com/sbinet/go@v0.0.0-20160827155028-54d7de7dd62b/test/nul1.go (about)

     1  // errorcheckoutput -newparser=0
     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  // Test source files and strings containing NUL and invalid UTF-8.
     8  
     9  // TODO(mdempsky): Update error expectations for -newparser=1. The new
    10  // lexer skips over NUL and invalid UTF-8 sequences, so they don't emit
    11  // "illegal character" or "invalid identifier character" errors.
    12  
    13  package main
    14  
    15  import (
    16  	"fmt"
    17  	"os"
    18  )
    19  
    20  func main() {
    21  	var s = "\xc2\xff"
    22  	var t = "\xd0\xfe"
    23  	var u = "\xab\x00\xfc"
    24  
    25  	if len(s) != 2 || s[0] != 0xc2 || s[1] != 0xff ||
    26  		len(t) != 2 || t[0] != 0xd0 || t[1] != 0xfe ||
    27  		len(u) != 3 || u[0] != 0xab || u[1] != 0x00 || u[2] != 0xfc {
    28  		println("BUG: non-UTF-8 string mangled")
    29  		os.Exit(2)
    30  	}
    31  
    32  	fmt.Print(`
    33  package main
    34  
    35  var x = "in string ` + "\x00" + `"	// ERROR "NUL"
    36  
    37  var y = ` + "`in raw string \x00 foo`" + `  // ERROR "NUL"
    38  
    39  // in comment ` + "\x00" + `  // ERROR "NUL"
    40  
    41  /* in other comment ` + "\x00" + ` */ // ERROR "NUL"
    42  
    43  /* in source code */ ` + "\x00" + `// ERROR "NUL" "illegal character"
    44  
    45  var xx = "in string ` + "\xc2\xff" + `" // ERROR "UTF-8"
    46  
    47  var yy = ` + "`in raw string \xff foo`" + `  // ERROR "UTF-8"
    48  
    49  // in comment ` + "\xe2\x80\x01" + `  // ERROR "UTF-8"
    50  
    51  /* in other comment ` + "\xe0\x00\x00" + ` */ // ERROR "UTF-8|NUL"
    52  
    53  /* in variable name */
    54  var z` + "\xc1\x81" + ` int // ERROR "UTF-8" "invalid identifier character"
    55  
    56  /* in source code */ ` + "var \xc2A int" + `// ERROR "UTF-8" "invalid identifier character"
    57  
    58  `)
    59  }