checkblock_tests.cpp

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// Copyright (c) 2013-2014 The Bitcoin Core developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
//
// Unit tests for block.CheckBlock()
//
 
#include "test/test_pivx.h"
 
#include "clientversion.h"
#include "fs.h"
#include "utiltime.h"
#include "validation.h"
 
#include <cstdio>
 
#include <boost/test/unit_test.hpp>
 
 
BOOST_FIXTURE_TEST_SUITE(CheckBlock_tests, BasicTestingSetup)
 
bool read_block(const std::string& filename, CBlock& block)
{
    fs::path testFile = fs::current_path() / "data" / filename;
#ifdef TEST_DATA_DIR
    if (!fs::exists(testFile))
    {
        testFile = fs::path(BOOST_PP_STRINGIZE(TEST_DATA_DIR)) / filename;
    }
#endif
    FILE* fp = fopen(testFile.string().c_str(), "rb");
    if (!fp) return false;
 
    fseek(fp, 8, SEEK_SET); // skip msgheader/size
 
    CAutoFile filein(fp, SER_DISK, CLIENT_VERSION);
    if (filein.IsNull()) return false;
 
    filein >> block;
 
    return true;
}
 
BOOST_AUTO_TEST_CASE(May15)
{
    // Putting a 1MB binary file in the git repository is not a great
    // idea, so this test is only run if you manually download
    // test/data/Mar12Fork.dat from
    // http://sourceforge.net/projects/bitcoin/files/Bitcoin/blockchain/Mar12Fork.dat/download
    unsigned int tMay15 = 1368576000;
    SetMockTime(tMay15); // Test as if it was right at May 15
 
    CBlock forkingBlock;
    if (read_block("Mar12Fork.dat", forkingBlock))
    {
        LOCK(cs_main);
        CValidationState state;
 
        // After May 15'th, big blocks are OK:
        forkingBlock.nTime = tMay15; // Invalidates PoW
        BOOST_CHECK(CheckBlock(forkingBlock, state, false, false));
    }
 
    SetMockTime(0);
}
 
BOOST_AUTO_TEST_SUITE_END()