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#define BOOST_TEST_MODULE instancing
#include "stream_support.hpp"
#include "testHelpers.h"
#include "testMainWindow.h"
#include "ui/applicationBase.h"
#include <boost/test/data/test_case.hpp>
#include <boost/test/unit_test.hpp>
#include <set>
#include <gfx/gl/instanceVertices.h>
BOOST_GLOBAL_FIXTURE(ApplicationBase);
BOOST_GLOBAL_FIXTURE(TestMainWindow);
BOOST_FIXTURE_TEST_SUITE(i, InstanceVertices<int>)
BOOST_AUTO_TEST_CASE(createDestroy)
{
BOOST_CHECK(!data);
map();
BOOST_REQUIRE(data);
BOOST_CHECK_EQUAL(0, next);
BOOST_CHECK(unused.empty());
BOOST_CHECK(index.empty());
unmap();
BOOST_CHECK(!data);
}
BOOST_AUTO_TEST_CASE(acquireRelease)
{
{
auto proxy = acquire();
*proxy = 20;
BOOST_CHECK_EQUAL(1, next);
BOOST_REQUIRE_EQUAL(1, index.size());
BOOST_CHECK_EQUAL(0, index.front());
BOOST_CHECK(unused.empty());
}
BOOST_CHECK_EQUAL(0, next);
BOOST_CHECK_EQUAL(1, unused.size());
BOOST_CHECK_EQUAL(0, unused.front());
BOOST_CHECK_EQUAL(1, index.size());
}
BOOST_AUTO_TEST_CASE(acquireReleaseMove)
{
{
auto proxy1 = acquire();
*proxy1 = 20;
BOOST_CHECK_EQUAL(1, next);
auto proxy2 = std::move(proxy1);
*proxy2 = 40;
BOOST_CHECK_EQUAL(1, next);
}
BOOST_CHECK_EQUAL(0, next);
BOOST_CHECK_EQUAL(1, unused.size());
BOOST_CHECK_EQUAL(0, unused.front());
BOOST_CHECK_EQUAL(1, index.size());
}
BOOST_AUTO_TEST_CASE(initialize)
{
auto proxy = acquire(5);
BOOST_CHECK_EQUAL(*proxy, 5);
}
BOOST_AUTO_TEST_CASE(resize)
{
constexpr auto COUNT = 500;
std::vector<decltype(acquire())> proxies;
std::vector<int> expected;
for (auto n = 0; n < COUNT; n++) {
proxies.push_back(acquire(n));
expected.emplace_back(n);
}
BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(), expected.end(), data, data + COUNT);
BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(), expected.end(), proxies.begin(), proxies.end());
}
BOOST_AUTO_TEST_CASE(shuffle)
{
std::vector<decltype(acquire())> proxies;
BOOST_CHECK_EQUAL(0, proxies.emplace_back(acquire(0)));
BOOST_CHECK_EQUAL(1, proxies.emplace_back(acquire(1)));
BOOST_CHECK_EQUAL(2, proxies.emplace_back(acquire(2)));
BOOST_CHECK_EQUAL(3, proxies.emplace_back(acquire(3)));
BOOST_CHECK_EQUAL(4, next);
BOOST_CHECK_EQUAL(data + 0, proxies[0].get());
BOOST_CHECK_EQUAL(data + 1, proxies[1].get());
BOOST_CHECK_EQUAL(data + 2, proxies[2].get());
BOOST_CHECK_EQUAL(data + 3, proxies[3].get());
BOOST_CHECK(unused.empty());
BOOST_REQUIRE_EQUAL(4, index.size());
BOOST_CHECK_EQUAL(0, index[0]);
BOOST_CHECK_EQUAL(1, index[1]);
BOOST_CHECK_EQUAL(2, index[2]);
BOOST_CHECK_EQUAL(3, index[3]);
// Remove 1, 3 moves to [1]
proxies.erase(proxies.begin() + 1);
BOOST_REQUIRE_EQUAL(4, index.size());
BOOST_REQUIRE_EQUAL(1, unused.size());
BOOST_CHECK_EQUAL(1, unused[0]);
BOOST_CHECK_EQUAL(data + 0, proxies[0].get());
BOOST_CHECK_EQUAL(data + 2, proxies[1].get());
BOOST_CHECK_EQUAL(data + 1, proxies[2].get());
// Remove 1, 2 moves to [1]
proxies.erase(proxies.begin() + 1);
BOOST_REQUIRE_EQUAL(4, index.size());
BOOST_REQUIRE_EQUAL(2, unused.size());
BOOST_CHECK_EQUAL(1, unused[0]);
BOOST_CHECK_EQUAL(2, unused[1]);
BOOST_CHECK_EQUAL(data + 0, proxies[0].get());
BOOST_CHECK_EQUAL(data + 1, proxies[1].get());
// Add new, takes 2 at [2]
BOOST_CHECK_EQUAL(4, proxies.emplace_back(acquire(4)));
BOOST_REQUIRE_EQUAL(4, index.size());
BOOST_REQUIRE_EQUAL(1, unused.size());
BOOST_CHECK_EQUAL(1, unused[0]);
BOOST_CHECK_EQUAL(data + 0, proxies[0].get());
BOOST_CHECK_EQUAL(data + 1, proxies[1].get());
BOOST_CHECK_EQUAL(data + 2, proxies[2].get());
}
BOOST_DATA_TEST_CASE(shuffle_random, boost::unit_test::data::xrange(0, 10), x)
{
std::ignore = x;
std::mt19937 gen(std::random_device {}());
std::map<int, InstanceVertices<int>::InstanceProxy> proxies;
const std::string_view actions = "aaaaaaaarararrraarrrararararaarrrarararararararararraarrrraaaarararaararar";
int n {};
for (const auto action : actions) {
switch (action) {
case 'a':
BOOST_REQUIRE_EQUAL(n, proxies.emplace(n, acquire(n)).first->second);
n++;
break;
case 'r':
BOOST_REQUIRE(!proxies.empty());
auto e = std::next(proxies.begin(),
std::uniform_int_distribution<> {0, static_cast<int>(proxies.size() - 1)}(gen));
proxies.erase(e);
break;
}
BOOST_REQUIRE_EQUAL(next, proxies.size());
for (const auto & [n, p] : proxies) {
BOOST_REQUIRE_EQUAL(n, p);
}
std::set<size_t> iused;
for (size_t i {}; i < index.size(); i++) {
if (std::find(unused.begin(), unused.end(), i) == unused.end()) {
iused.emplace(index[i]);
}
}
BOOST_TEST_CONTEXT(index) {
BOOST_REQUIRE_EQUAL(iused.size(), next);
if (!iused.empty()) {
BOOST_REQUIRE_EQUAL(*iused.begin(), 0);
BOOST_REQUIRE_EQUAL(*iused.rbegin(), next - 1);
}
}
}
}
BOOST_AUTO_TEST_SUITE_END()
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