mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-07-27 15:16:43 +00:00
74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package bloombits
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import (
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"bytes"
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"encoding/binary"
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"math/rand"
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"testing"
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"time"
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)
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func testVector(b uint, s uint64) BitVector {
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r := make(BitVector, 10)
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binary.BigEndian.PutUint16(r[0:2], uint16(b))
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binary.BigEndian.PutUint64(r[2:10], s)
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return r
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}
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func TestFetcher(t *testing.T) {
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f := &fetcher{
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reqMap: make(map[uint64]req),
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distChn: make(chan distReq, channelCap),
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}
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in := make(chan uint64, channelCap)
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stop := make(chan struct{})
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out := f.fetch(in, stop)
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for i := 0; i < 10; i++ {
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go func() {
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for {
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req, ok := <-f.distChn
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if !ok {
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return
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}
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time.Sleep(time.Duration(rand.Intn(1000000)))
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f.deliver([]uint64{req.sectionIdx}, []BitVector{testVector(req.bitIdx, req.sectionIdx)})
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}
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}()
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}
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go func() {
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for i := uint64(0); i < 10000; i++ {
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in <- i
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}
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}()
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for i := uint64(0); i < 10000; i++ {
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bv := <-out
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if !bytes.Equal(bv, testVector(0, i)) {
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if len(bv) != 10 {
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t.Errorf("Vector #%d length is %d, expected 10", i, len(bv))
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} else {
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j := binary.BigEndian.Uint64(bv[2:10])
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t.Errorf("Expected vector #%d, fetched #%d", i, j)
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}
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}
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}
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close(stop)
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}
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