116 lines
2.3 KiB
Go
116 lines
2.3 KiB
Go
/*
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* Copyright 2020 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 rangeutils
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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 TestParseRange(t *testing.T) {
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var cases = []struct {
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rangeStr string
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totalLength uint64
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targetLength uint64
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expected *Range
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wantErr bool
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}{
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{
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rangeStr: "0-65575",
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totalLength: 65576,
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targetLength: 65576,
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expected: &Range{
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StartIndex: 0,
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EndIndex: 65575,
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},
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wantErr: false,
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}, {
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rangeStr: "2-2",
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totalLength: 65576,
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targetLength: 1,
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expected: &Range{
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StartIndex: 2,
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EndIndex: 2,
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},
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wantErr: false,
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}, {
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rangeStr: "2-",
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totalLength: 65576,
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targetLength: 65574,
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expected: &Range{
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StartIndex: 2,
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EndIndex: 65575,
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},
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wantErr: false,
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}, {
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rangeStr: "-100",
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totalLength: 65576,
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targetLength: 100,
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expected: &Range{
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StartIndex: 65476,
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EndIndex: 65575,
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},
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wantErr: false,
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}, {
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rangeStr: "0-66575",
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totalLength: 65576,
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targetLength: 65576,
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expected: &Range{
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StartIndex: 0,
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EndIndex: 65575,
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},
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wantErr: false,
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},
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{
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rangeStr: "0-65-575",
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totalLength: 65576,
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expected: nil,
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wantErr: true,
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},
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{
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rangeStr: "0-hello",
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totalLength: 65576,
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expected: nil,
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wantErr: true,
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},
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{
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rangeStr: "65575-0",
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totalLength: 65576,
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expected: nil,
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wantErr: true,
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},
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{
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rangeStr: "-1-8",
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totalLength: 65576,
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expected: nil,
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wantErr: true,
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},
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}
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for _, v := range cases {
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t.Run(v.rangeStr, func(t *testing.T) {
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result, err := ParseRange(v.rangeStr, v.totalLength)
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assert.Equal(t, v.expected, result)
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assert.Equal(t, v.wantErr, err != nil)
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if !v.wantErr {
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assert.Equal(t, v.targetLength, result.Length())
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}
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})
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}
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}
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