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// 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 <catch2/catch_all.hpp>
#include <sol/sol.hpp>
TEST_CASE("environments/sanboxing", "see if environments on functions are working properly") {
SECTION("basic") {
sol::state lua;
sol::stack_guard luasg(lua);
auto result1 = lua.safe_script("a = function() return 5 end", sol::script_pass_on_error);
REQUIRE(result1.valid());
REQUIRE(result1.status() == sol::call_status::ok);
sol::function a = lua["a"];
int result0 = a();
REQUIRE(result0 == 5);
sol::environment env(lua, sol::create);
bool env_set_on_a = sol::set_environment(env, a);
// either works; there can sometimes no environment
REQUIRE((env_set_on_a || !env_set_on_a));
int value = a();
REQUIRE(value == 5);
}
SECTION("return environment value") {
sol::state lua;
sol::stack_guard luasg(lua);
auto result1 = lua.safe_script("a = function() return test end", sol::script_pass_on_error);
REQUIRE(result1.valid());
REQUIRE(result1.status() == sol::call_status::ok);
sol::function a = lua["a"];
sol::environment env(lua, sol::create);
env["test"] = 5;
bool env_set_on_a = env.set_on(a);
REQUIRE(env_set_on_a);
// the function returns the value from the environment table
int result = a();
REQUIRE(result == 5);
}
SECTION("set environment value") {
sol::state lua;
sol::stack_guard luasg(lua);
auto result1 = lua.safe_script("a = function() test = 5 end", sol::script_pass_on_error);
REQUIRE(result1.valid());
REQUIRE(result1.status() == sol::call_status::ok);
sol::function a = lua["a"];
sol::environment env(lua, sol::create);
bool env_set_on_a = sol::set_environment(env, a);
REQUIRE(env_set_on_a);
a();
// the value can be retrieved from the env table
int result = env["test"];
REQUIRE(result == 5);
// the global environment is not polluted
auto gtest = lua["test"];
REQUIRE(!gtest.valid());
}
}
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