366 lines
7.9 KiB
Go
366 lines
7.9 KiB
Go
/*
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* Copyright 2022 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package http
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestRange_String(t *testing.T) {
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tests := []struct {
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s string
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rg Range
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expect func(t *testing.T, s string)
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}{
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{
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s: "bytes=0-9",
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rg: Range{
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Start: 0,
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Length: 10,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "bytes=0-9")
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},
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},
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{
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s: "bytes=1-10",
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rg: Range{
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Start: 1,
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Length: 10,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "bytes=1-10")
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},
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},
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{
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s: "bytes=1-0",
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rg: Range{
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Start: 1,
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Length: 0,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "bytes=1-0")
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},
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},
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{
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s: "bytes=1-1",
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rg: Range{
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Start: 1,
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Length: 1,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "bytes=1-1")
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.s, func(t *testing.T) {
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tc.expect(t, tc.rg.String())
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})
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}
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}
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func TestRange_URLMetaString(t *testing.T) {
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tests := []struct {
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s string
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rg Range
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expect func(t *testing.T, s string)
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}{
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{
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s: "0-9",
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rg: Range{
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Start: 0,
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Length: 10,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "0-9")
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},
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},
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{
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s: "1-10",
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rg: Range{
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Start: 1,
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Length: 10,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "1-10")
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},
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},
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{
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s: "1-0",
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rg: Range{
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Start: 1,
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Length: 0,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "1-0")
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},
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},
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{
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s: "1-1",
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rg: Range{
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Start: 1,
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Length: 1,
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},
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expect: func(t *testing.T, s string) {
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assert := assert.New(t)
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assert.Equal(s, "1-1")
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.s, func(t *testing.T) {
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tc.expect(t, tc.rg.URLMetaString())
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})
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}
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}
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func TestParseRange(t *testing.T) {
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tests := []struct {
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s string
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size int64
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rg []Range
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}{
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{"", 0, nil},
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{"", 1000, nil},
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{"foo", 0, nil},
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{"bytes=", 0, nil},
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{"bytes=7", 10, nil},
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{"bytes= 7 ", 10, nil},
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{"bytes=1-", 0, nil},
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{"bytes=5-4", 10, nil},
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{"bytes=0-2,5-4", 10, nil},
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{"bytes=2-5,4-3", 10, nil},
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{"bytes=--5,4--3", 10, nil},
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{"bytes=A-", 10, nil},
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{"bytes=A- ", 10, nil},
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{"bytes=A-Z", 10, nil},
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{"bytes= -Z", 10, nil},
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{"bytes=5-Z", 10, nil},
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{"bytes=Ran-dom, garbage", 10, nil},
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{"bytes=0x01-0x02", 10, nil},
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{"bytes= ", 10, nil},
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{"bytes= , , , ", 10, nil},
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{"bytes=0-9", 10, []Range{{0, 10}}},
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{"bytes=0-", 10, []Range{{0, 10}}},
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{"bytes=5-", 10, []Range{{5, 5}}},
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{"bytes=0-20", 10, []Range{{0, 10}}},
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{"bytes=15-,0-5", 10, []Range{{0, 6}}},
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{"bytes=1-2,5-", 10, []Range{{1, 2}, {5, 5}}},
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{"bytes=-2 , 7-", 11, []Range{{9, 2}, {7, 4}}},
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{"bytes=0-0 ,2-2, 7-", 11, []Range{{0, 1}, {2, 1}, {7, 4}}},
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{"bytes=-5", 10, []Range{{5, 5}}},
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{"bytes=-15", 10, []Range{{0, 10}}},
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{"bytes=0-499", 10000, []Range{{0, 500}}},
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{"bytes=500-999", 10000, []Range{{500, 500}}},
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{"bytes=-500", 10000, []Range{{9500, 500}}},
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{"bytes=9500-", 10000, []Range{{9500, 500}}},
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{"bytes=0-0,-1", 10000, []Range{{0, 1}, {9999, 1}}},
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{"bytes=500-600,601-999", 10000, []Range{{500, 101}, {601, 399}}},
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{"bytes=500-700,601-999", 10000, []Range{{500, 201}, {601, 399}}},
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// Match Apache laxity:
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{"bytes= 1 -2 , 4- 5, 7 - 8 , ,,", 11, []Range{{1, 2}, {4, 2}, {7, 2}}},
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}
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for _, tc := range tests {
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rg := tc.rg
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ranges, err := ParseRange(tc.s, tc.size)
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if err != nil && rg != nil {
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t.Errorf("ParseRange(%q) returned error %q", tc.s, err)
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}
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if len(ranges) != len(rg) {
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t.Errorf("len(ParseRange(%q)) = %d, want %d", tc.s, len(ranges), len(rg))
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continue
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}
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for i := range rg {
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if ranges[i].Start != rg[i].Start {
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t.Errorf("ParseRange(%q)[%d].Serve = %d, want %d", tc.s, i, ranges[i].Start, rg[i].Start)
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}
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if ranges[i].Length != rg[i].Length {
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t.Errorf("ParseRange(%q)[%d].Length = %d, want %d", tc.s, i, ranges[i].Length, rg[i].Length)
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}
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}
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}
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}
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func TestParseOneRange(t *testing.T) {
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tests := []struct {
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s string
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size int64
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rg Range
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}{
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{"bytes=0-9", 10, Range{0, 10}},
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{"bytes=0-", 10, Range{0, 10}},
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{"bytes=5-", 10, Range{5, 5}},
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{"bytes=0-20", 10, Range{0, 10}},
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{"bytes=1-2", 10, Range{1, 2}},
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{"bytes=0-0", 11, Range{0, 1}},
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{"bytes=-5", 10, Range{5, 5}},
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{"bytes=-15", 10, Range{0, 10}},
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{"bytes=0-499", 10000, Range{0, 500}},
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{"bytes=500-999", 10000, Range{500, 500}},
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{"bytes=-500", 10000, Range{9500, 500}},
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{"bytes=9500-", 10000, Range{9500, 500}},
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{"bytes=0-0", 10000, Range{0, 1}},
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{"bytes=500-600", 10000, Range{500, 101}},
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{"bytes=500-700", 10000, Range{500, 201}},
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// Match Apache laxity:
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{"bytes= 1 -2 ", 11, Range{1, 2}},
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}
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for _, tc := range tests {
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erg := tc.rg
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rg, err := ParseOneRange(tc.s, tc.size)
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if err != nil {
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t.Errorf("ParseOneRange(%q) returned error %q", tc.s, err)
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}
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if rg.Start != erg.Start {
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t.Errorf("ParseOneRange(%q).Serve = %d, want %d", tc.s, rg.Start, erg.Start)
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}
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if rg.Length != erg.Length {
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t.Errorf("ParseOneRange(%q).Length = %d, want %d", tc.s, rg.Length, erg.Length)
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}
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}
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}
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func TestParseURLMetaRange(t *testing.T) {
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tests := []struct {
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s string
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size int64
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expect func(t *testing.T, rg Range, err error)
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}{
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{
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s: "0-65575",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.NoError(err)
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assert.EqualValues(rg, Range{
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Start: 0,
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Length: 65576,
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})
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},
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},
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{
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s: "2-2",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.NoError(err)
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assert.EqualValues(rg, Range{
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Start: 2,
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Length: 1,
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})
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},
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},
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{
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s: "2-",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.NoError(err)
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assert.EqualValues(rg, Range{
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Start: 2,
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Length: 65574,
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})
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},
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},
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{
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s: "-100",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.NoError(err)
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assert.EqualValues(rg, Range{
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Start: 65476,
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Length: 100,
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})
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},
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},
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{
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s: "0-66575",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.NoError(err)
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assert.EqualValues(rg, Range{
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Start: 0,
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Length: 65576,
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})
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},
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},
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{
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s: "0-65-575",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.Error(err)
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},
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},
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{
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s: "0-hello",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.Error(err)
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},
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},
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{
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s: "65575-0",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.Error(err)
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},
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},
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{
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s: "-1-8",
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size: 65576,
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expect: func(t *testing.T, rg Range, err error) {
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assert := assert.New(t)
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assert.Error(err)
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.s, func(t *testing.T) {
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rg, err := ParseURLMetaRange(tc.s, tc.size)
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tc.expect(t, rg, err)
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})
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}
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}
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