libgo/go/net/http/range_test.go

   1 // Copyright 2011 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 var ParseRangeTests = []struct {
  12         s      string
  13         length int64
  14         r      []httpRange
  15 }{
  16         {"", 0, nil},
  17         {"", 1000, nil},
  18         {"foo", 0, nil},
  19         {"bytes=", 0, nil},
  20         {"bytes=7", 10, nil},
  21         {"bytes= 7 ", 10, nil},
  22         {"bytes=1-", 0, nil},
  23         {"bytes=5-4", 10, nil},
  24         {"bytes=0-2,5-4", 10, nil},
  25         {"bytes=2-5,4-3", 10, nil},
  26         {"bytes=--5,4--3", 10, nil},
  27         {"bytes=A-", 10, nil},
  28         {"bytes=A- ", 10, nil},
  29         {"bytes=A-Z", 10, nil},
  30         {"bytes= -Z", 10, nil},
  31         {"bytes=5-Z", 10, nil},
  32         {"bytes=Ran-dom, garbage", 10, nil},
  33         {"bytes=0x01-0x02", 10, nil},
  34         {"bytes=         ", 10, nil},
  35         {"bytes= , , ,   ", 10, nil},
  36
  37         {"bytes=0-9", 10, []httpRange{{0, 10}}},
  38         {"bytes=0-", 10, []httpRange{{0, 10}}},
  39         {"bytes=5-", 10, []httpRange{{5, 5}}},
  40         {"bytes=0-20", 10, []httpRange{{0, 10}}},
  41         {"bytes=15-,0-5", 10, []httpRange{{0, 6}}},
  42         {"bytes=1-2,5-", 10, []httpRange{{1, 2}, {5, 5}}},
  43         {"bytes=-2 , 7-", 11, []httpRange{{9, 2}, {7, 4}}},
  44         {"bytes=0-0 ,2-2, 7-", 11, []httpRange{{0, 1}, {2, 1}, {7, 4}}},
  45         {"bytes=-5", 10, []httpRange{{5, 5}}},
  46         {"bytes=-15", 10, []httpRange{{0, 10}}},
  47         {"bytes=0-499", 10000, []httpRange{{0, 500}}},
  48         {"bytes=500-999", 10000, []httpRange{{500, 500}}},
  49         {"bytes=-500", 10000, []httpRange{{9500, 500}}},
  50         {"bytes=9500-", 10000, []httpRange{{9500, 500}}},
  51         {"bytes=0-0,-1", 10000, []httpRange{{0, 1}, {9999, 1}}},
  52         {"bytes=500-600,601-999", 10000, []httpRange{{500, 101}, {601, 399}}},
  53         {"bytes=500-700,601-999", 10000, []httpRange{{500, 201}, {601, 399}}},
  54
  55         // Match Apache laxity:
  56         {"bytes=   1 -2   ,  4- 5, 7 - 8 , ,,", 11, []httpRange{{1, 2}, {4, 2}, {7, 2}}},
  57 }
  58
  59 func TestParseRange(t *testing.T) {
  60         for _, test := range ParseRangeTests {
  61                 r := test.r
  62                 ranges, err := parseRange(test.s, test.length)
  63                 if err != nil && r != nil {
  64                         t.Errorf("parseRange(%q) returned error %q", test.s, err)
  65                 }
  66                 if len(ranges) != len(r) {
  67                         t.Errorf("len(parseRange(%q)) = %d, want %d", test.s, len(ranges), len(r))
  68                         continue
  69                 }
  70                 for i := range r {
  71                         if ranges[i].start != r[i].start {
  72                                 t.Errorf("parseRange(%q)[%d].start = %d, want %d", test.s, i, ranges[i].start, r[i].start)
  73                         }
  74                         if ranges[i].length != r[i].length {
  75                                 t.Errorf("parseRange(%q)[%d].length = %d, want %d", test.s, i, ranges[i].length, r[i].length)
  76                         }
  77                 }
  78         }
  79 }