// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// 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.
//
// go-ethereum 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package state
import (
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
)
var addr = common.BytesToAddress([]byte("test"))
func create() (*ManagedState, *account) {
db, _ := ethdb.NewMemDatabase()
statedb := New(common.Hash{}, db)
ms := ManageState(statedb)
so := &StateObject{address: addr, nonce: 100}
ms.StateDB.stateObjects[addr.Str()] = so
ms.accounts[addr.Str()] = newAccount(so)
return ms, ms.accounts[addr.Str()]
}
func TestNewNonce(t *testing.T) {
ms, _ := create()
nonce := ms.NewNonce(addr)
if nonce != 100 {
t.Error("expected nonce 100. got", nonce)
}
nonce = ms.NewNonce(addr)
if nonce != 101 {
t.Error("expected nonce 101. got", nonce)
}
}
func TestRemove(t *testing.T) {
ms, account := create()
nn := make([]bool, 10)
for i, _ := range nn {
nn[i] = true
}
account.nonces = append(account.nonces, nn...)
i := uint64(5)
ms.RemoveNonce(addr, account.nstart+i)
if len(account.nonces) != 5 {
t.Error("expected", i, "'th index to be false")
}
}
func TestReuse(t *testing.T) {
ms, account := create()
nn := make([]bool, 10)
for i, _ := range nn {
nn[i] = true
}
account.nonces = append(account.nonces, nn...)
i := uint64(5)
ms.RemoveNonce(addr, account.nstart+i)
nonce := ms.NewNonce(addr)
if nonce != 105 {
t.Error("expected nonce to be 105. got", nonce)
}
}
func TestRemoteNonceChange(t *testing.T) {
ms, account := create()
nn := make([]bool, 10)
for i, _ := range nn {
nn[i] = true
}
account.nonces = append(account.nonces, nn...)
nonce := ms.NewNonce(addr)
ms.StateDB.stateObjects[addr.Str()].nonce = 200
nonce = ms.NewNonce(addr)
if nonce != 200 {
t.Error("expected nonce after remote update to be", 201, "got", nonce)
}
ms.NewNonce(addr)
ms.NewNonce(addr)
ms.NewNonce(addr)
ms.StateDB.stateObjects[addr.Str()].nonce = 200
nonce = ms.NewNonce(addr)
if nonce != 204 {
t.Error("expected nonce after remote update to be", 201, "got", nonce)
}
}
func TestSetNonce(t *testing.T) {
ms, _ := create()
var addr common.Address
ms.SetNonce(addr, 10)
if ms.GetNonce(addr) != 10 {
t.Error("Expected nonce of 10, got", ms.GetNonce(addr))
}
addr[0] = 1
ms.StateDB.SetNonce(addr, 1)
if ms.GetNonce(addr) != 1 {
t.Error("Expected nonce of 1, got", ms.GetNonce(addr))
}
}