path: root/core/tx_list_test.go

// 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 core

import (
    "math/big"
    "math/rand"
    "testing"

    "github.com/ethereum/go-ethereum/core/types"
    "github.com/ethereum/go-ethereum/crypto"
)

// Tests that transactions can be added to strict lists and list contents and
// nonce boundaries are correctly maintained.
func TestStrictTxListAdd(t *testing.T) {
    // Generate a list of transactions to insert
    key, _ := crypto.GenerateKey()

    txs := make(types.Transactions, 1024)
    for i := 0; i < len(txs); i++ {
        txs[i] = transaction(uint64(i), new(big.Int), key)
    }
    // Insert the transactions in a random order
    list := newTxList(true)
    for _, v := range rand.Perm(len(txs)) {
        list.Add(txs[v])
    }
    // Verify internal state
    if len(list.txs.items) != len(txs) {
        t.Errorf("transaction count mismatch: have %d, want %d", len(list.txs.items), len(txs))
    }
    for i, tx := range txs {
        if list.txs.items[tx.Nonce()] != tx {
            t.Errorf("item %d: transaction mismatch: have %v, want %v", i, list.txs.items[tx.Nonce()], tx)
        }
    }
}