go-ethereum/trie/iterator_test.go

50 lines
1.3 KiB
Go

// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package trie
import "testing"
func TestIterator(t *testing.T) {
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
{"shaman", "horse"},
{"doge", "coin"},
{"dog", "puppy"},
{"somethingveryoddindeedthis is", "myothernodedata"},
}
v := make(map[string]bool)
for _, val := range vals {
v[val.k] = false
trie.UpdateString(val.k, val.v)
}
trie.Commit()
it := trie.Iterator()
for it.Next() {
v[string(it.Key)] = true
}
for k, found := range v {
if !found {
t.Error("iterator didn't find", k)
}
}
}