mirror of
https://github.com/restic/restic.git
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Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
132 lines
2.2 KiB
Go
132 lines
2.2 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package colltab
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import (
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"testing"
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)
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type lookupStrings struct {
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str string
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offset int
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n int // bytes consumed from input
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}
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type LookupTest struct {
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lookup []lookupStrings
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n int
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tries ContractTrieSet
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}
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var lookupTests = []LookupTest{{
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[]lookupStrings{
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{"abc", 1, 3},
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{"a", 0, 0},
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{"b", 0, 0},
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{"c", 0, 0},
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{"d", 0, 0},
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},
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1,
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ContractTrieSet{
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{'a', 0, 1, 0xFF},
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{'b', 0, 1, 0xFF},
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{'c', 'c', 0, 1},
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},
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}, {
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[]lookupStrings{
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{"abc", 1, 3},
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{"abd", 2, 3},
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{"abe", 3, 3},
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{"a", 0, 0},
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{"ab", 0, 0},
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{"d", 0, 0},
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{"f", 0, 0},
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},
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1,
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ContractTrieSet{
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{'a', 0, 1, 0xFF},
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{'b', 0, 1, 0xFF},
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{'c', 'e', 0, 1},
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},
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}, {
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[]lookupStrings{
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{"abc", 1, 3},
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{"ab", 2, 2},
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{"a", 3, 1},
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{"abcd", 1, 3},
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{"abe", 2, 2},
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},
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1,
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ContractTrieSet{
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{'a', 0, 1, 3},
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{'b', 0, 1, 2},
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{'c', 'c', 0, 1},
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},
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}, {
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[]lookupStrings{
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{"abc", 1, 3},
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{"abd", 2, 3},
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{"ab", 3, 2},
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{"ac", 4, 2},
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{"a", 5, 1},
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{"b", 6, 1},
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{"ba", 6, 1},
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},
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2,
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ContractTrieSet{
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{'b', 'b', 0, 6},
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{'a', 0, 2, 5},
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{'c', 'c', 0, 4},
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{'b', 0, 1, 3},
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{'c', 'd', 0, 1},
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},
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}, {
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[]lookupStrings{
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{"bcde", 2, 4},
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{"bc", 7, 2},
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{"ab", 6, 2},
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{"bcd", 5, 3},
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{"abcd", 1, 4},
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{"abc", 4, 3},
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{"bcdf", 3, 4},
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},
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2,
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ContractTrieSet{
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{'b', 3, 1, 0xFF},
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{'a', 0, 1, 0xFF},
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{'b', 0, 1, 6},
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{'c', 0, 1, 4},
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{'d', 'd', 0, 1},
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{'c', 0, 1, 7},
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{'d', 0, 1, 5},
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{'e', 'f', 0, 2},
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},
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}}
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func lookup(c *ContractTrieSet, nnode int, s []uint8) (i, n int) {
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scan := c.scanner(0, nnode, s)
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scan.scan(0)
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return scan.result()
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}
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func TestLookupContraction(t *testing.T) {
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for i, tt := range lookupTests {
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cts := ContractTrieSet(tt.tries)
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for j, lu := range tt.lookup {
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str := lu.str
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for _, s := range []string{str, str + "X"} {
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const msg = `%d:%d: %s of "%s" %v; want %v`
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offset, n := lookup(&cts, tt.n, []byte(s))
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if offset != lu.offset {
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t.Errorf(msg, i, j, "offset", s, offset, lu.offset)
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}
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if n != lu.n {
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t.Errorf(msg, i, j, "bytes consumed", s, n, len(str))
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}
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}
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}
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}
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}
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