modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/nul1.go (about)

     1  // errorcheckoutput
     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  package main
    10  
    11  import (
    12  	"fmt"
    13  	"os"
    14  )
    15  
    16  func main() {
    17  	var s = "\xc2\xff"
    18  	var t = "\xd0\xfe"
    19  	var u = "\xab\x00\xfc"
    20  
    21  	if len(s) != 2 || s[0] != 0xc2 || s[1] != 0xff ||
    22  		len(t) != 2 || t[0] != 0xd0 || t[1] != 0xfe ||
    23  		len(u) != 3 || u[0] != 0xab || u[1] != 0x00 || u[2] != 0xfc {
    24  		println("BUG: non-UTF-8 string mangled")
    25  		os.Exit(2)
    26  	}
    27  
    28  	fmt.Print(`
    29  package main
    30  
    31  var x = "in string ` + "\x00" + `"	// ERROR "NUL"
    32  
    33  var y = ` + "`in raw string \x00 foo`" + `  // ERROR "NUL"
    34  
    35  // in comment ` + "\x00" + `  // ERROR "NUL"
    36  
    37  /* in other comment ` + "\x00" + ` */ // ERROR "NUL"
    38  
    39  /* in source code */ ` + "\x00" + `// ERROR "NUL"
    40  
    41  var xx = "in string ` + "\xc2\xff" + `" // ERROR "UTF-8"
    42  
    43  var yy = ` + "`in raw string \xff foo`" + `  // ERROR "UTF-8"
    44  
    45  // in comment ` + "\xe2\x80\x01" + `  // ERROR "UTF-8"
    46  
    47  /* in other comment ` + "\xe0\x00\x00" + ` */ // ERROR "UTF-8|NUL"
    48  
    49  /* in variable name */
    50  var z` + "\xc1\x81" + ` int // ERROR "UTF-8"
    51  
    52  /* in source code */ ` + "var \xc2A int" + `// ERROR "UTF-8"
    53  
    54  `)
    55  }