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Source file src/net/http/range_test.go

Documentation: net/http

     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  }
    80  

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