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// https://github.com/vinniefalco/LuaBridge
//
// Copyright 2019, Dmitry Tarakanov
// SPDX-License-Identifier: MIT
#include "TestBase.h"
struct IssueTests : TestBase
{
};
struct AbstractClass
{
virtual int sum (int a, int b) = 0;
};
struct ConcreteClass : AbstractClass
{
int sum (int a, int b) override
{
return a + b;
}
static AbstractClass& get ()
{
static ConcreteClass instance;
return instance;
}
};
TEST_F (IssueTests, Issue87)
{
luabridge::getGlobalNamespace (L)
.beginClass <AbstractClass> ("Class")
.addFunction ("sum", &AbstractClass::sum)
.endClass ()
.addFunction ("getAbstractClass", &ConcreteClass::get);
runLua ("result = getAbstractClass ():sum (1, 2)");
ASSERT_TRUE (result ().isNumber ());
ASSERT_EQ (3, result <int> ());
}
TEST_F (IssueTests, Issue121)
{
runLua (R"(
first = {
second = {
actual = "data"
}
}
)");
auto first = luabridge::getGlobal (L, "first");
ASSERT_TRUE (first.isTable ());
ASSERT_EQ (0, first.length ());
ASSERT_TRUE (first ["second"].isTable ());
ASSERT_EQ (0, first ["second"].length ());
}
void pushArgs (lua_State*)
{
}
template <class Arg, class... Args>
void pushArgs (lua_State* L, Arg arg, Args... args)
{
luabridge::Stack <Arg>::push (L, arg);
pushArgs (L, args...);
}
template <class... Args>
std::vector <luabridge::LuaRef> callFunction (const luabridge::LuaRef& function, Args... args)
{
assert (function.isFunction ());
lua_State* L = function.state ();
int originalTop = lua_gettop (L);
function.push (L);
pushArgs (L, args...);
luabridge::LuaException::pcall (L, sizeof... (args), LUA_MULTRET);
std::vector <luabridge::LuaRef> results;
int top = lua_gettop (L);
results.reserve (top - originalTop);
for (int i = originalTop + 1; i <= top; ++i)
{
results.push_back (luabridge::LuaRef::fromStack (L, i));
}
return results;
}
TEST_F (IssueTests, Issue160)
{
runLua (
"function isConnected (arg1, arg2) "
" return 1, 'srvname', 'ip:10.0.0.1', arg1, arg2 "
"end");
luabridge::LuaRef f_isConnected = luabridge::getGlobal (L, "isConnected");
auto v = callFunction (f_isConnected, 2, "abc");
ASSERT_EQ (5u, v.size ());
ASSERT_EQ (1, v [0].cast <int> ());
ASSERT_EQ ("srvname", v [1].cast <std::string> ());
ASSERT_EQ ("ip:10.0.0.1", v [2].cast <std::string> ());
ASSERT_EQ (2, v [3].cast <int> ());
ASSERT_EQ ("abc", v [4].cast <std::string> ());
}
struct Vector
{
float getX () const
{
return x;
}
float x = 0;
};
struct WideVector : Vector
{
WideVector (float, float, float, float w)
{
x = w;
}
};
TEST_F (IssueTests, Issue178)
{
luabridge::getGlobalNamespace (L)
.beginClass <Vector> ("Vector")
.addFunction ("getX", &Vector::getX)
.addProperty ("X", &Vector::getX)
.addData ("x", &Vector::x, true)
.endClass ()
.deriveClass <WideVector, Vector> ("WideVector")
.addConstructor <void (*) (float, float, float, float)> ()
.endClass ();
runLua ("result = WideVector (0, 1, 2, 3).x");
ASSERT_TRUE (result ().isNumber ());
ASSERT_EQ (3.f, result <float> ());
}
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