github.com/tcnksm/go@v0.0.0-20141208075154-439b32936367/src/net/http/lex_test.go (about)

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package http
     6  
     7  import (
     8  	"testing"
     9  )
    10  
    11  func isChar(c rune) bool { return c <= 127 }
    12  
    13  func isCtl(c rune) bool { return c <= 31 || c == 127 }
    14  
    15  func isSeparator(c rune) bool {
    16  	switch c {
    17  	case '(', ')', '<', '>', '@', ',', ';', ':', '\\', '"', '/', '[', ']', '?', '=', '{', '}', ' ', '\t':
    18  		return true
    19  	}
    20  	return false
    21  }
    22  
    23  func TestIsToken(t *testing.T) {
    24  	for i := 0; i <= 130; i++ {
    25  		r := rune(i)
    26  		expected := isChar(r) && !isCtl(r) && !isSeparator(r)
    27  		if isToken(r) != expected {
    28  			t.Errorf("isToken(0x%x) = %v", r, !expected)
    29  		}
    30  	}
    31  }