sol2/tests/run_time/source/tables.clear.cpp
2022-06-25 04:00:53 -04:00

75 lines
2.5 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 <catch2/catch_all.hpp>
TEST_CASE("tables/clear", "clear method works and does not clobber stack") {
sol::state lua;
sol::stack_guard luasg(lua);
lua["t"] = sol::lua_value({ { "a", "b" }, { "c", "d" } });
sol::table t = lua["t"];
{
sol::stack_guard clearsg(lua);
t.clear();
}
REQUIRE(!t["a"].valid());
REQUIRE(!t["c"].valid());
}
TEST_CASE("tables/stack clear", "stack-based clear method works and does not clobber stack") {
sol::state lua;
SECTION("reference based") {
sol::stack_guard luasg(lua);
lua["t"] = sol::lua_value({ { "a", "b" }, { "c", "d" } });
sol::table t = lua["t"];
REQUIRE((t["a"] == std::string("b")));
REQUIRE((t["c"] == std::string("d")));
{
sol::stack_guard clearsg(lua);
sol::stack::clear(t);
}
REQUIRE(!t["a"].valid());
REQUIRE(!t["c"].valid());
}
SECTION("with index") {
sol::stack_guard luasg(lua);
lua["t"] = sol::lua_value({ { "a", "b" }, { "c", "d" } });
sol::table t = lua["t"];
REQUIRE((t["a"] == std::string("b")));
REQUIRE((t["c"] == std::string("d")));
{
sol::stack_guard ppclearsg(lua);
auto pp = sol::stack::push_pop(t);
int table_index = pp.index_of(t);
{
sol::stack_guard clearsg(lua);
sol::stack::clear(lua, table_index);
}
}
REQUIRE(!t["a"].valid());
REQUIRE(!t["c"].valid());
}
}