mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-24 20:37:17 +00:00
107 lines
3.1 KiB
Go
107 lines
3.1 KiB
Go
// Copyright 2020 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 client
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common/mclock"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
"github.com/ethereum/go-ethereum/p2p/enr"
|
|
"github.com/ethereum/go-ethereum/p2p/nodestate"
|
|
)
|
|
|
|
func testNodeID(i int) enode.ID {
|
|
return enode.ID{42, byte(i % 256), byte(i / 256)}
|
|
}
|
|
|
|
func testNodeIndex(id enode.ID) int {
|
|
if id[0] != 42 {
|
|
return -1
|
|
}
|
|
return int(id[1]) + int(id[2])*256
|
|
}
|
|
|
|
func testNode(i int) *enode.Node {
|
|
return enode.SignNull(new(enr.Record), testNodeID(i))
|
|
}
|
|
|
|
func TestQueueIteratorFIFO(t *testing.T) {
|
|
testQueueIterator(t, true)
|
|
}
|
|
|
|
func TestQueueIteratorLIFO(t *testing.T) {
|
|
testQueueIterator(t, false)
|
|
}
|
|
|
|
func testQueueIterator(t *testing.T, fifo bool) {
|
|
ns := nodestate.NewNodeStateMachine(nil, nil, &mclock.Simulated{}, testSetup)
|
|
qi := NewQueueIterator(ns, sfTest2, sfTest3.Or(sfTest4), fifo, nil)
|
|
ns.Start()
|
|
for i := 1; i <= iterTestNodeCount; i++ {
|
|
ns.SetState(testNode(i), sfTest1, nodestate.Flags{}, 0)
|
|
}
|
|
next := func() int {
|
|
ch := make(chan struct{})
|
|
go func() {
|
|
qi.Next()
|
|
close(ch)
|
|
}()
|
|
select {
|
|
case <-ch:
|
|
case <-time.After(time.Second * 5):
|
|
t.Fatalf("Iterator.Next() timeout")
|
|
}
|
|
node := qi.Node()
|
|
ns.SetState(node, sfTest4, nodestate.Flags{}, 0)
|
|
return testNodeIndex(node.ID())
|
|
}
|
|
exp := func(i int) {
|
|
n := next()
|
|
if n != i {
|
|
t.Errorf("Wrong item returned by iterator (expected %d, got %d)", i, n)
|
|
}
|
|
}
|
|
explist := func(list []int) {
|
|
for i := range list {
|
|
if fifo {
|
|
exp(list[i])
|
|
} else {
|
|
exp(list[len(list)-1-i])
|
|
}
|
|
}
|
|
}
|
|
|
|
ns.SetState(testNode(1), sfTest2, nodestate.Flags{}, 0)
|
|
ns.SetState(testNode(2), sfTest2, nodestate.Flags{}, 0)
|
|
ns.SetState(testNode(3), sfTest2, nodestate.Flags{}, 0)
|
|
explist([]int{1, 2, 3})
|
|
ns.SetState(testNode(4), sfTest2, nodestate.Flags{}, 0)
|
|
ns.SetState(testNode(5), sfTest2, nodestate.Flags{}, 0)
|
|
ns.SetState(testNode(6), sfTest2, nodestate.Flags{}, 0)
|
|
ns.SetState(testNode(5), sfTest3, nodestate.Flags{}, 0)
|
|
explist([]int{4, 6})
|
|
ns.SetState(testNode(1), nodestate.Flags{}, sfTest4, 0)
|
|
ns.SetState(testNode(2), nodestate.Flags{}, sfTest4, 0)
|
|
ns.SetState(testNode(3), nodestate.Flags{}, sfTest4, 0)
|
|
ns.SetState(testNode(2), sfTest3, nodestate.Flags{}, 0)
|
|
ns.SetState(testNode(2), nodestate.Flags{}, sfTest3, 0)
|
|
explist([]int{1, 3, 2})
|
|
ns.Stop()
|
|
}
|