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https://github.com/ThePhD/sol2.git
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4efea0ff3c
— 🛠 Update SOL_IS_(DEFAULT_)ON/OFF usage to be more idiomatic and less confusing (add SOL_RAW_* alternatives as well) — 💚 Re-check CI — 👷♀️ Add missing header from ebco.hpp
94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2021 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 <catch2/catch_all.hpp>
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#include <sol/sol.hpp>
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TEST_CASE("environments/this_environment", "test various situations of pulling out an environment") {
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static std::string code = "return (f(10))";
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sol::state lua;
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sol::stack_guard luasg(lua);
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lua["f"] = [](sol::this_environment te, int x, sol::this_state ts) {
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if (te) {
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sol::environment& env = te;
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return x + static_cast<int>(env["x"]);
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}
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sol::state_view lua = ts;
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return x + static_cast<int>(lua["x"]);
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};
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sol::environment e(lua, sol::create, lua.globals());
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lua["x"] = 5;
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e["x"] = 20;
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SECTION("from Lua script") {
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auto result1 = lua.safe_script(code, e, sol::script_pass_on_error);
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REQUIRE(result1.valid());
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int value = result1;
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REQUIRE(value == 30);
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}
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SECTION("from C++") {
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sol::function f = lua["f"];
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bool env_set = e.set_on(f);
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REQUIRE(env_set);
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int value = f(10);
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REQUIRE(value == 30);
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}
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SECTION("from C++, with no env") {
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sol::function f = lua["f"];
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int value = f(10);
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REQUIRE(value == 15);
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}
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}
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TEST_CASE("environment/this_environment/nested_calls", "Test that this_environment actually finds the right environment in specific nested Lua call contexts") {
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sol::state lua;
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lua.open_libraries(sol::lib::base);
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lua.set_function("print_no_env", [](int x) { REQUIRE(x == 1); });
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lua.set_function("print_this_env", [](int x, sol::this_environment) { REQUIRE(x == 2); });
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sol::protected_function_result result = lua.safe_script(R"(
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local var = nil
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function test_1_no_env()
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var = 1
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print_no_env(1)
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end
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function test_2_this_env()
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var = 1
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print_this_env(2)
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end
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test_1_no_env() -- should be ok
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test_2_this_env() -- should be okay
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)",
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sol::script_pass_on_error);
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REQUIRE(result.valid());
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}
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