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#ifndef BOOST_TEST_DYN_LINK
#define BOOST_TEST_DYN_LINK
#endif
#define BOOST_TEST_NO_MAIN
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <boost/test/unit_test.hpp>
#include "mtasker.hh"
#include <fcntl.h>
BOOST_AUTO_TEST_SUITE(mtasker_cc)
static int g_result;
static void doSomething(void* p)
{
MTasker<>* mt = reinterpret_cast<MTasker<>*>(p);
int i = 12, o = 0;
if (mt->waitEvent(i, &o) == 1)
g_result = o;
}
BOOST_AUTO_TEST_CASE(test_Simple)
{
MTasker<> mt;
mt.makeThread(doSomething, &mt);
struct timeval now;
gettimeofday(&now, 0);
bool first = true;
int o = 24;
for (;;) {
while (mt.schedule(now)) {
}
if (first) {
mt.sendEvent(12, &o);
first = false;
}
if (mt.noProcesses())
break;
}
BOOST_CHECK_EQUAL(g_result, o);
vector<int> events;
mt.getEvents(events);
BOOST_CHECK_EQUAL(events.size(), 0U);
}
struct MTKey
{
int key;
shared_ptr<int> ptr;
bool operator<(const MTKey& /* b */) const
{
// We don't want explicit PacketID compare here, but always via predicate class below
assert(0); // NOLINT: lib
}
};
struct MTKeyCompare
{
bool operator()(const std::shared_ptr<MTKey>& lhs, const std::shared_ptr<MTKey>& rhs) const
{
return lhs->key < rhs->key;
}
};
using KeyMT_t = MTasker<std::shared_ptr<MTKey>, int, MTKeyCompare>;
// Test the case of #14807
static void doSomethingKey(void* ptr)
{
auto* multiTasker = reinterpret_cast<KeyMT_t*>(ptr); // NOLINT(cppcoreguidelines-pro-type-reinterpret-cast)
auto key = std::make_shared<MTKey>();
key->key = 12;
key->ptr = std::make_shared<int>(13);
BOOST_CHECK_EQUAL(key.use_count(), 1U);
BOOST_CHECK_EQUAL(key->ptr.use_count(), 1U);
int value = 0;
if (multiTasker->waitEvent(key, &value) == 1) {
g_result = value;
}
BOOST_CHECK_EQUAL(key.use_count(), 1U);
BOOST_CHECK_EQUAL(key->key, 12);
BOOST_REQUIRE(key->ptr != nullptr);
BOOST_CHECK_EQUAL(key->ptr.use_count(), 1U);
BOOST_CHECK_EQUAL(*key->ptr, 13);
}
BOOST_AUTO_TEST_CASE(test_SharedPointer)
{
g_result = 0;
KeyMT_t multiTasker;
multiTasker.makeThread(doSomethingKey, &multiTasker);
timeval now{};
gettimeofday(&now, nullptr);
bool first = true;
int value = 24;
auto key = std::make_shared<MTKey>();
key->key = 12;
key->ptr = std::make_shared<int>(1);
BOOST_CHECK_EQUAL(key->ptr.use_count(), 1U);
for (;;) {
while (multiTasker.schedule(now)) {
}
if (first) {
multiTasker.sendEvent(key, &value);
BOOST_CHECK_EQUAL(key.use_count(), 1U);
BOOST_CHECK_EQUAL(key->ptr.use_count(), 1U);
first = false;
}
if (multiTasker.noProcesses()) {
break;
}
}
BOOST_CHECK_EQUAL(g_result, value);
vector<std::shared_ptr<MTKey>> events;
multiTasker.getEvents(events);
BOOST_CHECK_EQUAL(events.size(), 0U);
BOOST_CHECK_EQUAL(key.use_count(), 1U);
BOOST_CHECK_EQUAL(key->ptr.use_count(), 1U);
BOOST_CHECK_EQUAL(*key->ptr, 1);
}
static const size_t stackSize = 8 * 1024;
static const size_t headroom = 1536; // Decrease to hit stackoverflow
static void doAlmostStackoverflow(void* arg)
{
auto* mt = reinterpret_cast<MTasker<>*>(arg);
int localvar[stackSize / sizeof(int) - headroom]; // experimentally derived headroom
localvar[0] = 0;
localvar[sizeof(localvar) / sizeof(localvar[0]) - 1] = 12;
if (mt->waitEvent(localvar[sizeof(localvar) / sizeof(localvar[0]) - 1], &localvar[0]) == 1) {
g_result = localvar[0];
}
}
BOOST_AUTO_TEST_CASE(test_AlmostStackOverflow)
{
MTasker<> mt(stackSize);
mt.makeThread(doAlmostStackoverflow, &mt);
struct timeval now;
gettimeofday(&now, 0);
bool first = true;
int o = 25;
for (;;) {
while (mt.schedule(now)) {
;
}
if (first) {
mt.sendEvent(12, &o);
first = false;
}
if (mt.noProcesses()) {
break;
}
}
BOOST_CHECK_EQUAL(g_result, o);
}
static void willThrow(void* /* p */)
{
throw std::runtime_error("Help!");
}
BOOST_AUTO_TEST_CASE(test_MtaskerException)
{
BOOST_CHECK_THROW({
MTasker<> mt;
mt.makeThread(willThrow, 0);
struct timeval now;
now.tv_sec = now.tv_usec = 0;
for (;;) {
mt.schedule(now);
} }, std::exception);
}
BOOST_AUTO_TEST_SUITE_END()
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