be16f80abc
Any projects which want to use Hush code from now on will need to be licensed as GPLv3 or we will send the lawyers: https://www.softwarefreedom.org/ Notably, Komodo (KMD) is licensed as GPLv2 and is no longer compatible to receive code changes, without causing legal issues. MIT projects, such as Zcash, also cannot pull in changes from the Hush Full Node without permission from The Hush Developers, which may in some circumstances grant an MIT license on a case-by-case basis.
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
// Copyright (c) 2012-2013 The Bitcoin Core developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#include "util.h"
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#include "support/allocators/secure.h"
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#include "test/test_bitcoin.h"
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#include <boost/test/unit_test.hpp>
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BOOST_FIXTURE_TEST_SUITE(allocator_tests, BasicTestingSetup)
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// Dummy memory page locker for platform independent tests
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static const void *last_lock_addr, *last_unlock_addr;
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static size_t last_lock_len, last_unlock_len;
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class TestLocker
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{
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public:
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bool Lock(const void *addr, size_t len)
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{
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last_lock_addr = addr;
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last_lock_len = len;
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return true;
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}
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bool Unlock(const void *addr, size_t len)
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{
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last_unlock_addr = addr;
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last_unlock_len = len;
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return true;
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}
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};
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BOOST_AUTO_TEST_CASE(test_LockedPageManagerBase)
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{
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const size_t test_page_size = 4096;
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LockedPageManagerBase<TestLocker> lpm(test_page_size);
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size_t addr;
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last_lock_addr = last_unlock_addr = 0;
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last_lock_len = last_unlock_len = 0;
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/* Try large number of small objects */
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addr = 0;
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for(int i=0; i<1000; ++i)
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{
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lpm.LockRange(reinterpret_cast<void*>(addr), 33);
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addr += 33;
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}
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/* Try small number of page-sized objects, straddling two pages */
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addr = test_page_size*100 + 53;
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for(int i=0; i<100; ++i)
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{
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lpm.LockRange(reinterpret_cast<void*>(addr), test_page_size);
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addr += test_page_size;
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}
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/* Try small number of page-sized objects aligned to exactly one page */
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addr = test_page_size*300;
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for(int i=0; i<100; ++i)
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{
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lpm.LockRange(reinterpret_cast<void*>(addr), test_page_size);
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addr += test_page_size;
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}
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/* one very large object, straddling pages */
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lpm.LockRange(reinterpret_cast<void*>(test_page_size*600+1), test_page_size*500);
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BOOST_CHECK(last_lock_addr == reinterpret_cast<void*>(test_page_size*(600+500)));
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/* one very large object, page aligned */
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lpm.LockRange(reinterpret_cast<void*>(test_page_size*1200), test_page_size*500-1);
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BOOST_CHECK(last_lock_addr == reinterpret_cast<void*>(test_page_size*(1200+500-1)));
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BOOST_CHECK(lpm.GetLockedPageCount() == (
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(1000*33+test_page_size-1)/test_page_size + // small objects
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101 + 100 + // page-sized objects
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501 + 500)); // large objects
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BOOST_CHECK((last_lock_len & (test_page_size-1)) == 0); // always lock entire pages
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BOOST_CHECK(last_unlock_len == 0); // nothing unlocked yet
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/* And unlock again */
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addr = 0;
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for(int i=0; i<1000; ++i)
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{
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lpm.UnlockRange(reinterpret_cast<void*>(addr), 33);
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addr += 33;
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}
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addr = test_page_size*100 + 53;
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for(int i=0; i<100; ++i)
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{
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lpm.UnlockRange(reinterpret_cast<void*>(addr), test_page_size);
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addr += test_page_size;
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}
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addr = test_page_size*300;
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for(int i=0; i<100; ++i)
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{
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lpm.UnlockRange(reinterpret_cast<void*>(addr), test_page_size);
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addr += test_page_size;
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}
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lpm.UnlockRange(reinterpret_cast<void*>(test_page_size*600+1), test_page_size*500);
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lpm.UnlockRange(reinterpret_cast<void*>(test_page_size*1200), test_page_size*500-1);
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/* Check that everything is released */
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BOOST_CHECK(lpm.GetLockedPageCount() == 0);
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/* A few and unlocks of size zero (should have no effect) */
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addr = 0;
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for(int i=0; i<1000; ++i)
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{
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lpm.LockRange(reinterpret_cast<void*>(addr), 0);
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addr += 1;
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}
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BOOST_CHECK(lpm.GetLockedPageCount() == 0);
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addr = 0;
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for(int i=0; i<1000; ++i)
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{
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lpm.UnlockRange(reinterpret_cast<void*>(addr), 0);
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addr += 1;
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}
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BOOST_CHECK(lpm.GetLockedPageCount() == 0);
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BOOST_CHECK((last_unlock_len & (test_page_size-1)) == 0); // always unlock entire pages
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}
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BOOST_AUTO_TEST_SUITE_END()
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