dash/src/test/allocator_tests.cpp
Wladimir J. van der Laan 92fd887fd4 tests: add a BasicTestingSetup and apply to all tests
Make sure that chainparams and logging is properly initialized. Doing
this for every test may be overkill, but this initialization is so
simple that that does not matter.

This should fix the travis issues.
2015-03-12 09:45:22 +01:00

121 lines
3.8 KiB
C++

// Copyright (c) 2012-2013 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "util.h"
#include "allocators.h"
#include "test/test_bitcoin.h"
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(allocator_tests, BasicTestingSetup)
// Dummy memory page locker for platform independent tests
static const void *last_lock_addr, *last_unlock_addr;
static size_t last_lock_len, last_unlock_len;
class TestLocker
{
public:
bool Lock(const void *addr, size_t len)
{
last_lock_addr = addr;
last_lock_len = len;
return true;
}
bool Unlock(const void *addr, size_t len)
{
last_unlock_addr = addr;
last_unlock_len = len;
return true;
}
};
BOOST_AUTO_TEST_CASE(test_LockedPageManagerBase)
{
const size_t test_page_size = 4096;
LockedPageManagerBase<TestLocker> lpm(test_page_size);
size_t addr;
last_lock_addr = last_unlock_addr = 0;
last_lock_len = last_unlock_len = 0;
/* Try large number of small objects */
addr = 0;
for(int i=0; i<1000; ++i)
{
lpm.LockRange(reinterpret_cast<void*>(addr), 33);
addr += 33;
}
/* Try small number of page-sized objects, straddling two pages */
addr = test_page_size*100 + 53;
for(int i=0; i<100; ++i)
{
lpm.LockRange(reinterpret_cast<void*>(addr), test_page_size);
addr += test_page_size;
}
/* Try small number of page-sized objects aligned to exactly one page */
addr = test_page_size*300;
for(int i=0; i<100; ++i)
{
lpm.LockRange(reinterpret_cast<void*>(addr), test_page_size);
addr += test_page_size;
}
/* one very large object, straddling pages */
lpm.LockRange(reinterpret_cast<void*>(test_page_size*600+1), test_page_size*500);
BOOST_CHECK(last_lock_addr == reinterpret_cast<void*>(test_page_size*(600+500)));
/* one very large object, page aligned */
lpm.LockRange(reinterpret_cast<void*>(test_page_size*1200), test_page_size*500-1);
BOOST_CHECK(last_lock_addr == reinterpret_cast<void*>(test_page_size*(1200+500-1)));
BOOST_CHECK(lpm.GetLockedPageCount() == (
(1000*33+test_page_size-1)/test_page_size + // small objects
101 + 100 + // page-sized objects
501 + 500)); // large objects
BOOST_CHECK((last_lock_len & (test_page_size-1)) == 0); // always lock entire pages
BOOST_CHECK(last_unlock_len == 0); // nothing unlocked yet
/* And unlock again */
addr = 0;
for(int i=0; i<1000; ++i)
{
lpm.UnlockRange(reinterpret_cast<void*>(addr), 33);
addr += 33;
}
addr = test_page_size*100 + 53;
for(int i=0; i<100; ++i)
{
lpm.UnlockRange(reinterpret_cast<void*>(addr), test_page_size);
addr += test_page_size;
}
addr = test_page_size*300;
for(int i=0; i<100; ++i)
{
lpm.UnlockRange(reinterpret_cast<void*>(addr), test_page_size);
addr += test_page_size;
}
lpm.UnlockRange(reinterpret_cast<void*>(test_page_size*600+1), test_page_size*500);
lpm.UnlockRange(reinterpret_cast<void*>(test_page_size*1200), test_page_size*500-1);
/* Check that everything is released */
BOOST_CHECK(lpm.GetLockedPageCount() == 0);
/* A few and unlocks of size zero (should have no effect) */
addr = 0;
for(int i=0; i<1000; ++i)
{
lpm.LockRange(reinterpret_cast<void*>(addr), 0);
addr += 1;
}
BOOST_CHECK(lpm.GetLockedPageCount() == 0);
addr = 0;
for(int i=0; i<1000; ++i)
{
lpm.UnlockRange(reinterpret_cast<void*>(addr), 0);
addr += 1;
}
BOOST_CHECK(lpm.GetLockedPageCount() == 0);
BOOST_CHECK((last_unlock_len & (test_page_size-1)) == 0); // always unlock entire pages
}
BOOST_AUTO_TEST_SUITE_END()