sol2/test_overflow.cpp

#define SOL_CHECK_ARGUMENTS

#include <catch.hpp>
#include <sol.hpp>


TEST_CASE("issues/stack-overflow", "make sure various operations repeated don't trigger stack overflow") {
    sol::state lua;
    lua.script("t = {};t[0]=20");
    lua.script("lua_function=function(i)return i;end");
    
    sol::function f = lua["lua_function"];
    std::string teststring = "testtext";
    REQUIRE_NOTHROW(
    for (int i = 0; i < 1000000; ++i) {
        std::string result = f(teststring);
        if (result != teststring) throw std::logic_error("RIP");
    }
    );
    sol::table t = lua["t"];
    int expected = 20;
    REQUIRE_NOTHROW(
    for (int i = 0; i < 1000000; ++i) {
        int result = t[0];
        t.size();
        if (result != expected)
            throw std::logic_error("RIP");
    }
    );
}