traintastic/server/test/lua/to_float.cpp
2021-02-27 00:24:23 +01:00

92 Zeilen
1.9 KiB
C++

#include <catch2/catch.hpp>
#include "../../src/lua/to.hpp"
#include <string_view>
#define REQUIRE_TRY_TO(x) \
{ \
TestType v; \
REQUIRE(Lua::to<TestType>(L, -1, v)); \
REQUIRE(v == x); \
}
#define REQUIRE_TRY_TO_FAIL() \
{ \
const TestType org{1 / 42}; \
TestType v{org}; \
REQUIRE_FALSE(Lua::to<TestType>(L, -1, v)); \
REQUIRE(v == org); \
}
TEMPLATE_TEST_CASE("Lua::to<>", "[lua][lua-to]", float, double)
{
lua_State* L = luaL_newstate();
INFO("nil")
lua_pushnil(L);
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
INFO("false")
lua_pushboolean(L, false);
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
INFO("true")
lua_pushboolean(L, true);
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
INFO("123")
lua_pushinteger(L, 123);
REQUIRE(Lua::to<TestType>(L, -1) == Approx(123));
REQUIRE_TRY_TO(Approx(123));
lua_pop(L, 1);
INFO("0.5")
lua_pushnumber(L, 0.5);
REQUIRE(Lua::to<TestType>(L, -1) == Approx(0.5));
REQUIRE_TRY_TO(Approx(0.5));
lua_pop(L, 1);
INFO("\"123\"")
lua_pushliteral(L, "123");
REQUIRE(Lua::to<TestType>(L, -1) == Approx(123));
REQUIRE_TRY_TO(Approx(123));
lua_pop(L, 1);
INFO("\"0.5\"")
lua_pushliteral(L, "0.5");
REQUIRE(Lua::to<TestType>(L, -1) == Approx(0.5));
REQUIRE_TRY_TO(Approx(0.5));
lua_pop(L, 1);
INFO("\"test\"")
lua_pushliteral(L, "test");
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
INFO("table")
lua_newtable(L);
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
INFO("userdata")
lua_newuserdata(L, 0);
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
INFO("lightuserdata")
lua_pushlightuserdata(L, nullptr);
REQUIRE(Lua::to<TestType>(L, -1) == 0);
REQUIRE_TRY_TO_FAIL();
lua_pop(L, 1);
lua_close(L);
}