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Source file src/net/http/range_test.go

Documentation: net/http

  // Copyright 2011 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  package http
  
  import (
  	"testing"
  )
  
  var ParseRangeTests = []struct {
  	s      string
  	length int64
  	r      []httpRange
  }{
  	{"", 0, nil},
  	{"", 1000, nil},
  	{"foo", 0, nil},
  	{"bytes=", 0, nil},
  	{"bytes=7", 10, nil},
  	{"bytes= 7 ", 10, nil},
  	{"bytes=1-", 0, nil},
  	{"bytes=5-4", 10, nil},
  	{"bytes=0-2,5-4", 10, nil},
  	{"bytes=2-5,4-3", 10, nil},
  	{"bytes=--5,4--3", 10, nil},
  	{"bytes=A-", 10, nil},
  	{"bytes=A- ", 10, nil},
  	{"bytes=A-Z", 10, nil},
  	{"bytes= -Z", 10, nil},
  	{"bytes=5-Z", 10, nil},
  	{"bytes=Ran-dom, garbage", 10, nil},
  	{"bytes=0x01-0x02", 10, nil},
  	{"bytes=         ", 10, nil},
  	{"bytes= , , ,   ", 10, nil},
  
  	{"bytes=0-9", 10, []httpRange{{0, 10}}},
  	{"bytes=0-", 10, []httpRange{{0, 10}}},
  	{"bytes=5-", 10, []httpRange{{5, 5}}},
  	{"bytes=0-20", 10, []httpRange{{0, 10}}},
  	{"bytes=15-,0-5", 10, []httpRange{{0, 6}}},
  	{"bytes=1-2,5-", 10, []httpRange{{1, 2}, {5, 5}}},
  	{"bytes=-2 , 7-", 11, []httpRange{{9, 2}, {7, 4}}},
  	{"bytes=0-0 ,2-2, 7-", 11, []httpRange{{0, 1}, {2, 1}, {7, 4}}},
  	{"bytes=-5", 10, []httpRange{{5, 5}}},
  	{"bytes=-15", 10, []httpRange{{0, 10}}},
  	{"bytes=0-499", 10000, []httpRange{{0, 500}}},
  	{"bytes=500-999", 10000, []httpRange{{500, 500}}},
  	{"bytes=-500", 10000, []httpRange{{9500, 500}}},
  	{"bytes=9500-", 10000, []httpRange{{9500, 500}}},
  	{"bytes=0-0,-1", 10000, []httpRange{{0, 1}, {9999, 1}}},
  	{"bytes=500-600,601-999", 10000, []httpRange{{500, 101}, {601, 399}}},
  	{"bytes=500-700,601-999", 10000, []httpRange{{500, 201}, {601, 399}}},
  
  	// Match Apache laxity:
  	{"bytes=   1 -2   ,  4- 5, 7 - 8 , ,,", 11, []httpRange{{1, 2}, {4, 2}, {7, 2}}},
  }
  
  func TestParseRange(t *testing.T) {
  	for _, test := range ParseRangeTests {
  		r := test.r
  		ranges, err := parseRange(test.s, test.length)
  		if err != nil && r != nil {
  			t.Errorf("parseRange(%q) returned error %q", test.s, err)
  		}
  		if len(ranges) != len(r) {
  			t.Errorf("len(parseRange(%q)) = %d, want %d", test.s, len(ranges), len(r))
  			continue
  		}
  		for i := range r {
  			if ranges[i].start != r[i].start {
  				t.Errorf("parseRange(%q)[%d].start = %d, want %d", test.s, i, ranges[i].start, r[i].start)
  			}
  			if ranges[i].length != r[i].length {
  				t.Errorf("parseRange(%q)[%d].length = %d, want %d", test.s, i, ranges[i].length, r[i].length)
  			}
  		}
  	}
  }
  

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