libgo/go/http/lex_test.go

   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 type lexTest struct {
  12         Raw    string
  13         Parsed int // # of parsed characters
  14         Result []string
  15 }
  16
  17 var lexTests = []lexTest{
  18         {
  19                 Raw:    `"abc"def,:ghi`,
  20                 Parsed: 13,
  21                 Result: []string{"abcdef", "ghi"},
  22         },
  23         // My understanding of the RFC is that escape sequences outside of
  24         // quotes are not interpreted?
  25         {
  26                 Raw:    `"\t"\t"\t"`,
  27                 Parsed: 10,
  28                 Result: []string{"\t", "t\t"},
  29         },
  30         {
  31                 Raw:    `"\yab"\r\n`,
  32                 Parsed: 10,
  33                 Result: []string{"?ab", "r", "n"},
  34         },
  35         {
  36                 Raw:    "ab\f",
  37                 Parsed: 3,
  38                 Result: []string{"ab?"},
  39         },
  40         {
  41                 Raw:    "\"ab \" c,de f, gh, ij\n\t\r",
  42                 Parsed: 23,
  43                 Result: []string{"ab ", "c", "de", "f", "gh", "ij"},
  44         },
  45 }
  46
  47 func min(x, y int) int {
  48         if x <= y {
  49                 return x
  50         }
  51         return y
  52 }
  53
  54 func TestSplitFieldValue(t *testing.T) {
  55         for k, l := range lexTests {
  56                 parsed, result := httpSplitFieldValue(l.Raw)
  57                 if parsed != l.Parsed {
  58                         t.Errorf("#%d: Parsed %d, expected %d", k, parsed, l.Parsed)
  59                 }
  60                 if len(result) != len(l.Result) {
  61                         t.Errorf("#%d: Result len  %d, expected %d", k, len(result), len(l.Result))
  62                 }
  63                 for i := 0; i < min(len(result), len(l.Result)); i++ {
  64                         if result[i] != l.Result[i] {
  65                                 t.Errorf("#%d: %d-th entry mismatch. Have {%s}, expect {%s}",
  66                                         k, i, result[i], l.Result[i])
  67                         }
  68                 }
  69         }
  70 }