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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
112 lines
4.3 KiB
C++
112 lines
4.3 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/shadowing", "Environments can properly shadow and fallback on variables") {
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sol::state lua;
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sol::stack_guard luasg(lua);
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lua["b"] = 2142;
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SECTION("no fallback") {
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sol::environment plain_env(lua, sol::create);
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auto result1 = lua.safe_script("a = 24", plain_env, sol::script_pass_on_error);
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REQUIRE(result1.valid());
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REQUIRE(result1.status() == sol::call_status::ok);
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sol::optional<int> maybe_env_a = plain_env["a"];
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sol::optional<int> maybe_global_a = lua["a"];
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sol::optional<int> maybe_env_b = plain_env["b"];
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sol::optional<int> maybe_global_b = lua["b"];
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REQUIRE(maybe_env_a != sol::nullopt);
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REQUIRE(maybe_env_a.value() == 24);
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REQUIRE(maybe_env_b == sol::nullopt);
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REQUIRE(maybe_global_a == sol::nullopt);
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REQUIRE(maybe_global_b != sol::nullopt);
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REQUIRE(maybe_global_b.value() == 2142);
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}
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SECTION("fallback") {
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sol::environment env_with_fallback(lua, sol::create, lua.globals());
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auto result1 = lua.safe_script("a = 56", env_with_fallback, sol::script_pass_on_error);
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REQUIRE(result1.valid());
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REQUIRE(result1.status() == sol::call_status::ok);
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sol::optional<int> maybe_env_a = env_with_fallback["a"];
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sol::optional<int> maybe_global_a = lua["a"];
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sol::optional<int> maybe_env_b = env_with_fallback["b"];
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sol::optional<int> maybe_global_b = lua["b"];
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REQUIRE(maybe_env_a != sol::nullopt);
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REQUIRE(maybe_env_a.value() == 56);
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REQUIRE(maybe_env_b != sol::nullopt);
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REQUIRE(maybe_env_b.value() == 2142);
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REQUIRE(maybe_global_a == sol::nullopt);
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REQUIRE(maybe_global_b != sol::nullopt);
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REQUIRE(maybe_global_b.value() == 2142);
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}
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SECTION("from name") {
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sol::environment env_with_fallback(lua, sol::create, lua.globals());
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lua["env"] = env_with_fallback;
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sol::environment env = lua["env"];
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auto result1 = lua.safe_script("a = 56", env, sol::script_pass_on_error);
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REQUIRE(result1.valid());
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sol::optional<int> maybe_env_a = env["a"];
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sol::optional<int> maybe_global_a = lua["a"];
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sol::optional<int> maybe_env_b = env["b"];
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sol::optional<int> maybe_global_b = lua["b"];
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REQUIRE(maybe_env_a != sol::nullopt);
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REQUIRE(maybe_env_a.value() == 56);
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REQUIRE(maybe_env_b != sol::nullopt);
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REQUIRE(maybe_env_b.value() == 2142);
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REQUIRE(maybe_global_a == sol::nullopt);
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REQUIRE(maybe_global_b != sol::nullopt);
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REQUIRE(maybe_global_b.value() == 2142);
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}
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SECTION("name with newtable") {
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lua["blank_env"] = sol::new_table(0, 1);
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sol::environment plain_env = lua["blank_env"];
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auto result1 = lua.safe_script("a = 24", plain_env, sol::script_pass_on_error);
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REQUIRE(result1.valid());
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sol::optional<int> maybe_env_a = plain_env["a"];
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sol::optional<int> maybe_global_a = lua["a"];
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sol::optional<int> maybe_env_b = plain_env["b"];
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sol::optional<int> maybe_global_b = lua["b"];
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REQUIRE(maybe_env_a != sol::nullopt);
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REQUIRE(maybe_env_a.value() == 24);
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REQUIRE(maybe_env_b == sol::nullopt);
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REQUIRE(maybe_global_a == sol::nullopt);
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REQUIRE(maybe_global_b != sol::nullopt);
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REQUIRE(maybe_global_b.value() == 2142);
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}
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}
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