289 lines
8.6 KiB
C++
289 lines
8.6 KiB
C++
// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "sol_test.hpp"
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#include <catch2/catch_all.hpp>
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#include <iostream>
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#include <algorithm>
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#include <numeric>
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#include <vector>
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std::string free_function() {
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INFO("free_function()");
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return "test";
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}
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struct object {
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std::string operator()() {
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INFO("member_test()");
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return "test";
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}
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};
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TEST_CASE("tables/cleanup", "make sure tables leave the stack balanced") {
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sol::state lua;
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sol::stack_guard luasg(lua);
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lua.open_libraries();
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auto f = [] { return 5; };
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for (int i = 0; i < 30; i++) {
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std::string name = std::string("init") + std::to_string(i);
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int top = lua_gettop(lua);
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lua[name] = f;
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int aftertop = lua_gettop(lua);
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REQUIRE(aftertop == top);
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int val = lua[name]();
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REQUIRE(val == 5);
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}
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}
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TEST_CASE("tables/nested cleanup", "make sure tables leave the stack balanced") {
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sol::state lua;
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lua.open_libraries();
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lua.safe_script("A={}");
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auto f = [] { return 5; };
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for (int i = 0; i < 30; i++) {
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std::string name = std::string("init") + std::to_string(i);
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int top = lua_gettop(lua);
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auto A = lua["A"];
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int beforetop = lua_gettop(lua);
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REQUIRE(beforetop == top);
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A[name] = f;
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int aftertop = lua_gettop(lua);
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REQUIRE(aftertop == top);
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int val = A[name]();
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REQUIRE(val == 5);
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}
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}
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TEST_CASE("tables/variables", "Check if tables and variables work as intended") {
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sol::state lua;
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lua.open_libraries(sol::lib::base, sol::lib::os);
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lua.get<sol::table>("os").set("name", "windows");
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{
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auto result = lua.safe_script("assert(os.name == \"windows\")", sol::script_pass_on_error);
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REQUIRE(result.valid());
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}
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}
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TEST_CASE("tables/create", "Check if creating a table is kosher") {
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sol::state lua;
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lua["testtable"] = sol::table::create(lua.lua_state(), 0, 0, "Woof", "Bark", 1, 2, 3, 4);
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sol::object testobj = lua["testtable"];
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REQUIRE(testobj.is<sol::table>());
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sol::table testtable = testobj.as<sol::table>();
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REQUIRE((testtable["Woof"] == std::string("Bark")));
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REQUIRE((testtable[1] == 2));
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REQUIRE((testtable[3] == 4));
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}
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TEST_CASE("tables/create local", "Check if creating a table is kosher") {
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sol::state lua;
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lua["testtable"] = lua.create_table(0, 0, "Woof", "Bark", 1, 2, 3, 4);
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sol::object testobj = lua["testtable"];
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REQUIRE(testobj.is<sol::table>());
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sol::table testtable = testobj.as<sol::table>();
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REQUIRE((testtable["Woof"] == std::string("Bark")));
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REQUIRE((testtable[1] == 2));
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REQUIRE((testtable[3] == 4));
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}
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TEST_CASE("tables/create local named", "Check if creating a table is kosher") {
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sol::state lua;
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sol::table testtable = lua.create_table("testtable", 0, 0, "Woof", "Bark", 1, 2, 3, 4);
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sol::object testobj = lua["testtable"];
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REQUIRE(testobj.is<sol::table>());
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REQUIRE((testobj == testtable));
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REQUIRE_FALSE((testobj != testtable));
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REQUIRE((testtable["Woof"] == std::string("Bark")));
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REQUIRE((testtable[1] == 2));
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REQUIRE((testtable[3] == 4));
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}
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TEST_CASE("tables/create-with-local", "Check if creating a table is kosher") {
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sol::state lua;
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lua["testtable"] = lua.create_table_with("Woof", "Bark", 1, 2, 3, 4);
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sol::object testobj = lua["testtable"];
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REQUIRE(testobj.is<sol::table>());
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sol::table testtable = testobj.as<sol::table>();
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REQUIRE((testtable["Woof"] == std::string("Bark")));
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REQUIRE((testtable[1] == 2));
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REQUIRE((testtable[3] == 4));
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}
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TEST_CASE("tables/function variables", "Check if tables and function calls work as intended") {
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sol::state lua;
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lua.open_libraries(sol::lib::base, sol::lib::os);
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auto run_script = [](sol::state& lua) -> void {
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auto pf = lua.safe_script("assert(os.fun() == \"test\")");
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REQUIRE(pf.valid());
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};
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lua.get<sol::table>("os").set_function("fun", []() {
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INFO("stateless lambda()");
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return "test";
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});
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REQUIRE_NOTHROW(run_script(lua));
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lua.get<sol::table>("os").set_function("fun", &free_function);
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REQUIRE_NOTHROW(run_script(lua));
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// l-value, canNOT optimise
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// prefer value semantics unless wrapped with std::reference_wrapper
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{
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auto lval = object();
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lua.get<sol::table>("os").set_function("fun", &object::operator(), lval);
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}
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REQUIRE_NOTHROW(run_script(lua));
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auto reflval = object();
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lua.get<sol::table>("os").set_function("fun", &object::operator(), std::ref(reflval));
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REQUIRE_NOTHROW(run_script(lua));
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// stateful lambda: non-convertible, cannot be optimised
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int breakit = 50;
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lua.get<sol::table>("os").set_function("fun", [&breakit]() {
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INFO("stateful lambda() with breakit:" << breakit);
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return "test";
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});
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REQUIRE_NOTHROW(run_script(lua));
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// r-value, cannot optimise
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lua.get<sol::table>("os").set_function("fun", &object::operator(), object());
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REQUIRE_NOTHROW(run_script(lua));
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// r-value, cannot optimise
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auto rval = object();
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lua.get<sol::table>("os").set_function("fun", &object::operator(), std::move(rval));
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REQUIRE_NOTHROW(run_script(lua));
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}
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TEST_CASE("tables/add", "Basic test to make sure the 'add' feature works") {
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static const int sz = 120;
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sol::state lua;
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sol::table t = lua.create_table(sz, 0);
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std::vector<int> bigvec(sz);
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std::iota(bigvec.begin(), bigvec.end(), 1);
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for (std::size_t i = 0; i < bigvec.size(); ++i) {
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t.add(bigvec[i]);
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}
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for (std::size_t i = 0; i < bigvec.size(); ++i) {
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int val = t[i + 1];
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REQUIRE(val == bigvec[i]);
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}
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}
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TEST_CASE("tables/raw set and raw get", "ensure raw setting and getting works through metatables") {
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sol::state lua;
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sol::table t = lua.create_table();
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t[sol::metatable_key] = lua.create_table_with(
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sol::meta_function::new_index,
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[](lua_State* L) { return luaL_error(L, "nay"); },
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sol::meta_function::index,
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[](lua_State* L) { return luaL_error(L, "nay"); });
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t.raw_set("a", 2.5);
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double la = t.raw_get<double>("a");
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REQUIRE(la == 2.5);
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}
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TEST_CASE("tables/boolean keys", "make sure boolean keys don't get caught up in `is_integral` specializations") {
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sol::state lua;
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lua.open_libraries(sol::lib::base);
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lua.safe_script(R"(
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tbl = {}
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tbl[true] = 10
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tbl[1] = 20
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print(tbl[true])
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print(tbl[1])
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)");
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sol::table tbl = lua["tbl"];
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int v1 = tbl[true];
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int v2 = tbl[1];
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REQUIRE(v1 == 10);
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REQUIRE(v2 == 20);
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tbl[true] = 30;
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tbl[1] = 40;
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v1 = tbl[true];
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v2 = tbl[1];
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REQUIRE(v1 == 30);
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REQUIRE(v2 == 40);
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}
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TEST_CASE("tables/optional move", "ensure pushing a sol::optional<T> rvalue correctly moves the contained object into tables") {
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sol::state sol_state;
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struct move_only {
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int secret_code;
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move_only(int sc) : secret_code(sc) {
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}
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move_only(const move_only&) = delete;
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move_only(move_only&&) = default;
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move_only& operator=(const move_only&) = delete;
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move_only& operator=(move_only&&) = default;
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};
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sol_state["requires_move"] = sol::optional<move_only>(move_only(0x4D));
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REQUIRE(sol_state["requires_move"].get<move_only>().secret_code == 0x4D);
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}
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TEST_CASE("table/stack table size", "make sure size() works correctly on stack tables") {
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sol::state lua;
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sol::stack_guard luasg(lua);
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sol::stack_table t(lua, sol::create);
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t[1] = 42;
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auto sz1 = t.size();
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REQUIRE(sz1 == 1);
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sol::stack::push(lua, "some string");
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auto sz2 = t.size();
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REQUIRE(sz2 == 1);
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std::string s = sol::stack::pop<std::string>(lua);
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REQUIRE(s == "some string");
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sol::table t2 = sol::stack::pop<sol::table>(lua);
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auto sz3 = t2.size();
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REQUIRE(sz1 == sz3);
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REQUIRE(sz1 == sz2);
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}
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TEST_CASE("table/proxy call", "test proxy calls put the variable in the right place") {
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sol::state lua;
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sol::stack_guard luasg(lua);
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{
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sol::stack_guard tsg(lua);
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lua["t"] = std::initializer_list<std::pair<int, std::string_view>> { { 1, "borf" }, { 2, "bjork" }, { 3, "waf" } };
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}
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{
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sol::stack_guard fsg(lua);
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lua["f"] = [](std::string bjork) { REQUIRE(bjork == std::string("borf")); };
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}
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auto prox = lua["t"][1];
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lua["f"](prox);
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}
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