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100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
// Copyright (c) 2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <event2/event.h>
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#include <map>
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#include <stdlib.h>
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#include <support/events.h>
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#include <test/util/setup_common.h>
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#include <boost/test/unit_test.hpp>
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BOOST_FIXTURE_TEST_SUITE(raii_event_tests, BasicTestingSetup)
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#ifdef EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED
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static std::map<void*, short> tags;
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static std::map<void*, uint16_t> orders;
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static uint16_t tagSequence = 0;
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static void* tag_malloc(size_t sz) {
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void* mem = malloc(sz);
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if (!mem) return mem;
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tags[mem]++;
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orders[mem] = tagSequence++;
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return mem;
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}
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static void tag_free(void* mem) {
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tags[mem]--;
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orders[mem] = tagSequence++;
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free(mem);
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}
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BOOST_AUTO_TEST_CASE(raii_event_creation)
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{
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event_set_mem_functions(tag_malloc, realloc, tag_free);
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void* base_ptr = nullptr;
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{
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auto base = obtain_event_base();
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base_ptr = (void*)base.get();
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BOOST_CHECK(tags[base_ptr] == 1);
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}
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BOOST_CHECK(tags[base_ptr] == 0);
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void* event_ptr = nullptr;
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{
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auto base = obtain_event_base();
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auto event = obtain_event(base.get(), -1, 0, nullptr, nullptr);
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base_ptr = (void*)base.get();
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event_ptr = (void*)event.get();
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BOOST_CHECK(tags[base_ptr] == 1);
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BOOST_CHECK(tags[event_ptr] == 1);
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}
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BOOST_CHECK(tags[base_ptr] == 0);
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BOOST_CHECK(tags[event_ptr] == 0);
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event_set_mem_functions(malloc, realloc, free);
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}
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BOOST_AUTO_TEST_CASE(raii_event_order)
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{
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event_set_mem_functions(tag_malloc, realloc, tag_free);
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void* base_ptr = nullptr;
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void* event_ptr = nullptr;
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{
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auto base = obtain_event_base();
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auto event = obtain_event(base.get(), -1, 0, nullptr, nullptr);
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base_ptr = (void*)base.get();
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event_ptr = (void*)event.get();
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// base should have allocated before event
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BOOST_CHECK(orders[base_ptr] < orders[event_ptr]);
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}
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// base should be freed after event
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BOOST_CHECK(orders[base_ptr] > orders[event_ptr]);
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event_set_mem_functions(malloc, realloc, free);
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}
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#else
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BOOST_AUTO_TEST_CASE(raii_event_tests_SKIPPED)
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{
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// It would probably be ideal to report skipped, but boost::test doesn't seem to make that practical (at least not in versions available with common distros)
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BOOST_TEST_MESSAGE("Skipping raii_event_tess: libevent doesn't support event_set_mem_functions");
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}
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#endif // EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED
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BOOST_AUTO_TEST_SUITE_END()
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