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- // Copyright 2017 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library 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 core
- import (
- "math/big"
- "testing"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/consensus/istanbul"
- ibfttypes "github.com/ethereum/go-ethereum/consensus/istanbul/ibft/types"
- "github.com/ethereum/go-ethereum/consensus/istanbul/validator"
- )
- func TestRoundChangeSet(t *testing.T) {
- vset := validator.NewSet(generateValidators(4), istanbul.NewRoundRobinProposerPolicy())
- rc := newRoundChangeSet(vset)
- view := &istanbul.View{
- Sequence: big.NewInt(1),
- Round: big.NewInt(1),
- }
- r := &istanbul.Subject{
- View: view,
- Digest: common.Hash{},
- }
- m, _ := ibfttypes.Encode(r)
- // Test Add()
- // Add message from all validators
- for i, v := range vset.List() {
- msg := &ibfttypes.Message{
- Code: ibfttypes.MsgRoundChange,
- Msg: m,
- Address: v.Address(),
- }
- rc.Add(view.Round, msg)
- if rc.roundChanges[view.Round.Uint64()].Size() != i+1 {
- t.Errorf("the size of round change messages mismatch: have %v, want %v", rc.roundChanges[view.Round.Uint64()].Size(), i+1)
- }
- }
- // Add message again from all validators, but the size should be the same
- for _, v := range vset.List() {
- msg := &ibfttypes.Message{
- Code: ibfttypes.MsgRoundChange,
- Msg: m,
- Address: v.Address(),
- }
- rc.Add(view.Round, msg)
- if rc.roundChanges[view.Round.Uint64()].Size() != vset.Size() {
- t.Errorf("the size of round change messages mismatch: have %v, want %v", rc.roundChanges[view.Round.Uint64()].Size(), vset.Size())
- }
- }
- // Test MaxRound()
- for i := 0; i < 10; i++ {
- maxRound := rc.MaxRound(i)
- if i <= vset.Size() {
- if maxRound == nil || maxRound.Cmp(view.Round) != 0 {
- t.Errorf("max round mismatch: have %v, want %v", maxRound, view.Round)
- }
- } else if maxRound != nil {
- t.Errorf("max round mismatch: have %v, want nil", maxRound)
- }
- }
- // Test Clear()
- for i := int64(0); i < 2; i++ {
- rc.Clear(big.NewInt(i))
- if rc.roundChanges[view.Round.Uint64()].Size() != vset.Size() {
- t.Errorf("the size of round change messages mismatch: have %v, want %v", rc.roundChanges[view.Round.Uint64()].Size(), vset.Size())
- }
- }
- rc.Clear(big.NewInt(2))
- if rc.roundChanges[view.Round.Uint64()] != nil {
- t.Errorf("the change messages mismatch: have %v, want nil", rc.roundChanges[view.Round.Uint64()])
- }
- }
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