sol2/tests/run_time/source/containers.table.cpp
2022-06-25 04:00:53 -04:00

270 lines
9.2 KiB
C++

// sol2
// The MIT License (MIT)
// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "sol_test.hpp"
#include "common_classes.hpp"
#include <catch2/catch_all.hpp>
#include <iterator>
#include <vector>
#include <list>
#include <forward_list>
#include <map>
#include <deque>
#include <array>
#include <unordered_map>
#include <set>
#include <unordered_set>
auto test_table_return_one() {
return sol::as_table(std::vector<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
}
auto test_table_return_two() {
return sol::as_table(std::vector<std::pair<std::string, int>> { { "one", 1 }, { "two", 2 }, { "three", 3 } });
}
auto test_table_return_three() {
return sol::as_table(std::map<std::string, std::string> { { "name", "Rapptz" }, { "friend", "ThePhD" }, { "project", "sol" } });
}
auto test_table_return_four() {
return sol::as_table(std::array<std::pair<std::string, int>, 4> { { { "one", 1 }, { "two", 2 }, { "three", 3 }, { "four", 4 } } });
}
template <typename S, typename T>
void check_ordered_values(S& src, T& target) {
std::size_t idx = 0;
auto b = std::begin(target);
auto e = std::end(target);
for (; b != e; ++b, ++idx) {
const auto& v = src[idx];
REQUIRE((*b == v));
}
}
template <typename S, typename T>
void table_check_unordered_values(S& src, T& target) {
std::size_t idx = 0;
auto b = std::begin(target);
auto e = std::end(target);
for (; b != e; ++b, ++idx) {
auto sb = std::begin(src);
auto se = std::end(src);
auto it = std::find(sb, se, *b);
REQUIRE((it != se));
}
}
TEST_CASE("containers/arbitrary creation", "userdata and tables should be usable from standard containers") {
sol::state lua;
lua.open_libraries(sol::lib::base);
lua.set_function("test_one", test_table_return_one);
lua.set_function("test_two", test_table_return_two);
lua.set_function("test_three", test_table_return_three);
lua.set_function("test_four", test_table_return_four);
{
auto result = lua.safe_script("a = test_one()", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("b = test_two()", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("c = test_three()", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("d = test_four()", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(#a == 10, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(a[3] == 3, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(b.one == 1, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(b.three == 3, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(c.name == 'Rapptz', 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(c.project == 'sol', 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(d.one == 1, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(d.three == 3, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
{
auto result = lua.safe_script("assert(d.four == 4, 'error')", sol::script_pass_on_error);
REQUIRE(result.valid());
}
sol::table a = lua.get<sol::table>("a");
sol::table b = lua.get<sol::table>("b");
sol::table c = lua.get<sol::table>("c");
sol::table d = lua["d"];
REQUIRE(a.size() == 10ULL);
REQUIRE(a.get<int>(3) == 3);
REQUIRE(b.get<int>("one") == 1);
REQUIRE(b.get<int>("three") == 3);
REQUIRE(c.get<std::string>("name") == "Rapptz");
REQUIRE(c.get<std::string>("project") == "sol");
REQUIRE(d.get<int>("one") == 1);
REQUIRE(d.get<int>("three") == 3);
REQUIRE(d.get<int>("four") == 4);
}
TEST_CASE("containers/table serialization", "ensure types can be serialized as tables still") {
typedef std::vector<int> woof;
sol::state lua;
lua.open_libraries();
lua.set("b", sol::as_table(woof { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 }));
{
auto result = lua.safe_script("for k, v in ipairs(b) do assert(k == v) end", sol::script_pass_on_error);
REQUIRE(result.valid());
}
woof w { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 };
lua.set("b", sol::as_table(w));
{
auto result = lua.safe_script("for k, v in ipairs(b) do assert(k == v) end", sol::script_pass_on_error);
REQUIRE(result.valid());
}
lua.set("b", sol::as_table(&w));
{
auto result = lua.safe_script("for k, v in ipairs(b) do assert(k == v) end", sol::script_pass_on_error);
REQUIRE(result.valid());
}
lua.set("b", sol::as_table(std::ref(w)));
{
auto result = lua.safe_script("for k, v in ipairs(b) do assert(k == v) end", sol::script_pass_on_error);
REQUIRE(result.valid());
}
}
TEST_CASE("containers/initializer-list", "test initializer lists get pushed as tables directly rather than userdata") {
SECTION("array-like") {
sol::state lua;
lua.open_libraries(sol::lib::base, sol::lib::table);
lua["c"] = { 1, 2, 3, 4, 5 };
auto result1 = lua.safe_script(R"lua(
for k, v in pairs(c) do
assert(k == v)
end
)lua",
sol::script_pass_on_error);
sol::as_table_t<std::vector<int>> t1vector = lua["c"];
sol::as_table_t<std::deque<int>> t1deque = lua["c"];
sol::as_table_t<std::list<int>> t1list = lua["c"];
sol::as_table_t<std::forward_list<int>> t1flist = lua["c"];
sol::as_table_t<std::set<int>> t1set = lua["c"];
const int src[5] = { 1, 2, 3, 4, 5 };
check_ordered_values(src, t1vector.value());
check_ordered_values(src, t1deque.value());
check_ordered_values(src, t1list.value());
check_ordered_values(src, t1flist.value());
check_ordered_values(src, t1set.value());
}
SECTION("map-like") {
sol::state lua;
lua.open_libraries(sol::lib::base, sol::lib::table);
std::pair<const std::string, int> src[5] { { "a", 21 }, { "b", 22 }, { "c", 23 }, { "d", 24 }, { "e", 25 } };
lua["c"] = std::initializer_list<std::pair<std::string, int>> { { "a", 21 }, { "b", 22 }, { "c", 23 }, { "d", 24 }, { "e", 25 } };
sol::as_table_t<std::unordered_map<std::string, int>> t1umap = lua["c"];
sol::as_table_t<std::unordered_multimap<std::string, int>> t1ummap = lua["c"];
table_check_unordered_values(src, t1umap.value());
table_check_unordered_values(src, t1ummap.value());
}
}
TEST_CASE("containers/as_table with pointers", "test to make sure pointers are respected in as_table work") {
using EHandle = std::uint32_t;
struct Entity {
public:
Entity(EHandle) {
}
Entity(const Entity&) = default;
Entity(Entity&&) = default;
Entity& operator=(const Entity&) = default;
Entity& operator=(Entity&&) = default;
};
auto test_func_vec = []() -> std::vector<Entity*> {
return { reinterpret_cast<Entity*>(0x01), reinterpret_cast<Entity*>(0x02), reinterpret_cast<Entity*>(0x03) };
};
sol::state lua;
lua.open_libraries(sol::lib::base);
lua.new_usertype<Entity>("Entity");
lua["f"] = [&test_func_vec]() { return sol::as_table(test_func_vec()); };
lua["g"] = [&test_func_vec]() { return sol::as_nested(test_func_vec()); };
sol::optional<sol::error> maybe_err0 = lua.safe_script("t = f()");
sol::optional<sol::error> maybe_err1 = lua.safe_script("u = g()");
REQUIRE_FALSE(maybe_err0.has_value());
REQUIRE_FALSE(maybe_err1.has_value());
sol::table t = lua["t"];
Entity* e1 = t[1];
Entity* e2 = t[2];
Entity* e3 = t[3];
REQUIRE(e1 == reinterpret_cast<Entity*>(0x01));
REQUIRE(e2 == reinterpret_cast<Entity*>(0x02));
REQUIRE(e3 == reinterpret_cast<Entity*>(0x03));
sol::table u = lua["u"];
Entity* f1 = u[1];
Entity* f2 = u[2];
Entity* f3 = u[3];
REQUIRE(f1 == reinterpret_cast<Entity*>(0x01));
REQUIRE(f2 == reinterpret_cast<Entity*>(0x02));
REQUIRE(f3 == reinterpret_cast<Entity*>(0x03));
}