return nil, fmt.Errorf("'%s' does not have valid range value", rangeString)
	}
}

// String returns stringified representation of range for a particular resource size.
func (h *HTTPRangeSpec) String(resourceSize int64) string {
	if h == nil {
		return ""
	}
	off, length, err := h.GetOffsetLength(resourceSize)
	if err != nil {
		return ""
	}

package cmd

import (
	"testing"
)

func TestHTTPRequestRangeSpec(t *testing.T) {
	resourceSize := int64(10)
	validRangeSpecs := []struct {
		spec                 string
		expOffset, expLength int64
	}{
		{"bytes=0-", 0, 10},
		{"bytes=1-", 1, 9},
		{"bytes=0-9", 0, 10},
		{"bytes=1-10", 1, 9},
		{"bytes=1-1", 1, 1},
		{"bytes=2-5", 2, 4},
		{"bytes=-5", 5, 5},