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#include <iostream>
#include <aocommon/lane.h>
#include <fstream>
#include <thread>
#include <vector>
#include <boost/test/unit_test.hpp>
#include <boost/make_unique.hpp>
using aocommon::Lane;
// These are "first order" tests: none of these tests explicitly test
// multi-threading / thread-safety features of Lane
BOOST_AUTO_TEST_SUITE(lane)
BOOST_AUTO_TEST_CASE(construct_default) {
const Lane<int> l;
BOOST_CHECK_EQUAL(l.capacity(), 0);
BOOST_CHECK_EQUAL(l.size(), 0);
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(construct_with_capacity) {
const Lane<int> l(7);
BOOST_CHECK_EQUAL(l.capacity(), 7);
BOOST_CHECK_EQUAL(l.size(), 0);
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(read_write) {
Lane<int> l(4);
constexpr size_t n = 2;
const int values[n] = {3, 4};
l.write(values, n);
l.write_end();
BOOST_CHECK(!l.empty());
BOOST_CHECK_EQUAL(l.size(), n);
for (size_t i = 0; i != n; ++i) {
int result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result, values[i]);
}
int result;
BOOST_CHECK(l.empty());
BOOST_CHECK(!l.read(result));
}
BOOST_AUTO_TEST_CASE(move_construct) {
Lane<int> a(4);
constexpr size_t n = 2;
const int values[n] = {3, 4};
a.write(values, n);
Lane<int> b(std::move(a));
BOOST_CHECK_EQUAL(a.capacity(), 0);
BOOST_CHECK(a.empty());
BOOST_CHECK_EQUAL(a.size(), 0);
BOOST_CHECK_EQUAL(b.capacity(), 4);
BOOST_CHECK(!b.empty());
BOOST_CHECK_EQUAL(b.size(), n);
}
BOOST_AUTO_TEST_CASE(move_assign) {
Lane<int> a(4);
constexpr size_t n = 2;
const int values_a[n] = {3, 4};
a.write(values_a, n);
Lane<int> b(3);
const int values_b[3] = {5, 6, 7};
b.write(values_b, 3);
b = std::move(a);
BOOST_CHECK_EQUAL(b.capacity(), 4);
BOOST_CHECK(!b.empty());
BOOST_CHECK_EQUAL(b.size(), n);
for (size_t i = 0; i != n; ++i) {
int result;
BOOST_REQUIRE(b.read(result));
BOOST_CHECK_EQUAL(result, values_a[i]);
}
BOOST_CHECK(b.empty());
}
BOOST_AUTO_TEST_CASE(emplace) {
Lane<std::pair<int, int>> l(4);
l.emplace(3, 30);
l.emplace(4, 40);
l.write_end();
BOOST_CHECK(!l.empty());
BOOST_CHECK_EQUAL(l.size(), 2);
std::pair<int, int> result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result.first, 3);
BOOST_CHECK_EQUAL(result.second, 30);
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result.first, 4);
BOOST_CHECK_EQUAL(result.second, 40);
BOOST_CHECK(!l.read(result));
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(emplace_noncopyable) {
// This test is to make sure that emplace() with multiple parameters and
// move-only operands compiles
using ValueType = std::pair<std::unique_ptr<int>, std::unique_ptr<int>>;
aocommon::Lane<ValueType> l(4);
ValueType v(boost::make_unique<int>(5), boost::make_unique<int>(11));
l.emplace(std::move(v));
BOOST_CHECK(!l.empty());
ValueType result;
BOOST_REQUIRE(l.read(result));
BOOST_REQUIRE(result.first);
BOOST_REQUIRE(result.second);
BOOST_CHECK_EQUAL(*result.first, 5);
BOOST_CHECK_EQUAL(*result.second, 11);
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(noncopyable_read_write) {
Lane<std::unique_ptr<int>> l(4);
constexpr size_t n = 2;
const int values[n] = {3, 4};
for (size_t i = 0; i != n; ++i) {
l.write(boost::make_unique<int>(values[i]));
}
l.write_end();
BOOST_CHECK(!l.empty());
BOOST_CHECK_EQUAL(l.size(), n);
for (size_t i = 0; i != n; ++i) {
std::unique_ptr<int> result;
BOOST_REQUIRE(l.read(result));
BOOST_REQUIRE(result);
BOOST_CHECK_EQUAL(*result, values[i]);
}
std::unique_ptr<int> result;
BOOST_CHECK(!l.read(result));
BOOST_CHECK(l.empty());
BOOST_CHECK(!result);
}
BOOST_AUTO_TEST_CASE(move_write) {
Lane<std::unique_ptr<int>> l(4);
std::vector<std::unique_ptr<int>> values;
values.emplace_back();
values.emplace_back(boost::make_unique<int>(7));
l.move_write(values.data(), values.size());
l.write_end();
BOOST_CHECK(!l.empty());
BOOST_CHECK_EQUAL(l.size(), 2);
std::unique_ptr<int> result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK(!result);
BOOST_REQUIRE(l.read(result));
BOOST_REQUIRE(result);
BOOST_CHECK_EQUAL(*result, 7);
BOOST_CHECK(!l.read(result));
BOOST_CHECK(l.empty());
BOOST_REQUIRE(result);
BOOST_CHECK_EQUAL(*result, 7);
}
BOOST_AUTO_TEST_CASE(discard) {
Lane<int> l(4);
constexpr size_t n = 3;
const int values[n] = {3, 4, 5};
l.write(values, n);
l.write_end();
l.discard(2);
BOOST_CHECK(!l.empty());
BOOST_CHECK_EQUAL(l.size(), 1);
int result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result, values[2]);
BOOST_CHECK(!l.read(result));
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(clear) {
constexpr size_t n = 2;
const int values_a[n] = {3, 4};
Lane<int> l(3);
l.write(values_a, n);
l.write_end();
l.clear();
BOOST_CHECK_EQUAL(l.capacity(), 3);
BOOST_CHECK(l.empty());
BOOST_CHECK_EQUAL(l.size(), 0);
const int values_b[n] = {5, 6};
l.write(values_b, n);
l.write_end();
for (size_t i = 0; i != n; ++i) {
int result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result, values_b[i]);
}
int result;
BOOST_CHECK(!l.read(result));
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(resize) {
Lane<int> l(1);
l.write(17);
l.write_end();
l.resize(3);
BOOST_CHECK_EQUAL(l.capacity(), 3);
BOOST_CHECK(l.empty());
BOOST_CHECK_EQUAL(l.size(), 0);
constexpr size_t n = 2;
const int values[n] = {3, 4};
l.write(values, n);
l.write_end();
for (size_t i = 0; i != n; ++i) {
int result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result, values[i]);
}
int result;
BOOST_CHECK(!l.read(result));
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_CASE(wait_for_empty) {
Lane<int> l(1);
BOOST_CHECK_NO_THROW(l.wait_for_empty());
}
BOOST_AUTO_TEST_CASE(multiple_threads) {
Lane<int> l(5);
std::thread t([&l]() {
for (size_t i = 100; i != 150; ++i) {
int result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result, i);
}
l.discard(25);
for (size_t i = 175; i != 250; ++i) {
int result;
BOOST_REQUIRE(l.read(result));
BOOST_CHECK_EQUAL(result, i);
}
});
for (size_t i = 100; i != 190; ++i) l.write(i);
for (size_t i = 190; i != 240; ++i) l.emplace(i);
std::vector<int> values;
for (size_t i = 240; i != 250; ++i) values.emplace_back(i);
l.write(values.data(), values.size());
l.wait_for_empty();
l.write_end();
t.join();
BOOST_CHECK(l.empty());
}
BOOST_AUTO_TEST_SUITE_END()
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