mirror of https://github.com/ethereum/go-ethereum
parent
17637ed1bb
commit
07311f3157
@ -0,0 +1,85 @@ |
|||||||
|
// Copyright 2016 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 miner |
||||||
|
|
||||||
|
import ( |
||||||
|
"testing" |
||||||
|
|
||||||
|
"github.com/ethereum/go-ethereum/common" |
||||||
|
"github.com/ethereum/go-ethereum/core/types" |
||||||
|
) |
||||||
|
|
||||||
|
// noopHeaderRetriever is an implementation of headerRetriever that always
|
||||||
|
// returns nil for any requested headers.
|
||||||
|
type noopHeaderRetriever struct{} |
||||||
|
|
||||||
|
func (r *noopHeaderRetriever) GetHeaderByNumber(number uint64) *types.Header { |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
// Tests that inserting blocks into the unconfirmed set accumulates them until
|
||||||
|
// the desired depth is reached, after which they begin to be dropped.
|
||||||
|
func TestUnconfirmedInsertBounds(t *testing.T) { |
||||||
|
limit := uint(10) |
||||||
|
|
||||||
|
pool := newUnconfirmedBlocks(new(noopHeaderRetriever), limit) |
||||||
|
for depth := uint64(0); depth < 2*uint64(limit); depth++ { |
||||||
|
// Insert multiple blocks for the same level just to stress it
|
||||||
|
for i := 0; i < int(depth); i++ { |
||||||
|
pool.Insert(depth, common.Hash([32]byte{byte(depth), byte(i)})) |
||||||
|
} |
||||||
|
// Validate that no blocks below the depth allowance are left in
|
||||||
|
pool.blocks.Do(func(block interface{}) { |
||||||
|
if block := block.(*unconfirmedBlock); block.index+uint64(limit) <= depth { |
||||||
|
t.Errorf("depth %d: block %x not dropped", depth, block.hash) |
||||||
|
} |
||||||
|
}) |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
// Tests that shifting blocks out of the unconfirmed set works both for normal
|
||||||
|
// cases as well as for corner cases such as empty sets, empty shifts or full
|
||||||
|
// shifts.
|
||||||
|
func TestUnconfirmedShifts(t *testing.T) { |
||||||
|
// Create a pool with a few blocks on various depths
|
||||||
|
limit, start := uint(10), uint64(25) |
||||||
|
|
||||||
|
pool := newUnconfirmedBlocks(new(noopHeaderRetriever), limit) |
||||||
|
for depth := start; depth < start+uint64(limit); depth++ { |
||||||
|
pool.Insert(depth, common.Hash([32]byte{byte(depth)})) |
||||||
|
} |
||||||
|
// Try to shift below the limit and ensure no blocks are dropped
|
||||||
|
pool.Shift(start + uint64(limit) - 1) |
||||||
|
if n := pool.blocks.Len(); n != int(limit) { |
||||||
|
t.Errorf("unconfirmed count mismatch: have %d, want %d", n, limit) |
||||||
|
} |
||||||
|
// Try to shift half the blocks out and verify remainder
|
||||||
|
pool.Shift(start + uint64(limit) - 1 + uint64(limit/2)) |
||||||
|
if n := pool.blocks.Len(); n != int(limit)/2 { |
||||||
|
t.Errorf("unconfirmed count mismatch: have %d, want %d", n, limit/2) |
||||||
|
} |
||||||
|
// Try to shift all the remaining blocks out and verify emptyness
|
||||||
|
pool.Shift(start + 2*uint64(limit)) |
||||||
|
if n := pool.blocks.Len(); n != 0 { |
||||||
|
t.Errorf("unconfirmed count mismatch: have %d, want %d", n, 0) |
||||||
|
} |
||||||
|
// Try to shift out from the empty set and make sure it doesn't break
|
||||||
|
pool.Shift(start + 3*uint64(limit)) |
||||||
|
if n := pool.blocks.Len(); n != 0 { |
||||||
|
t.Errorf("unconfirmed count mismatch: have %d, want %d", n, 0) |
||||||
|
} |
||||||
|
} |
Loading…
Reference in new issue