test/test_attributes.cpp

   1 #include "test.h"
   2
   3 extern "C"
   4 {
   5         #include "lauxlib.h"
   6         #include "lualib.h"
   7 }
   8
   9 namespace
  10 {
  11         LUABIND_ANONYMOUS_FIX int feedback = 0;
  12         LUABIND_ANONYMOUS_FIX std::string str;
  13
  14         enum my_enum
  15         {
  16                 my_value = 3
  17         };
  18
  19         struct my_enum_ {};
  20
  21         struct my_enum_user
  22         {
  23                 my_enum e;
  24         };
  25
  26         struct internal
  27         {
  28                 std::string name_;
  29         };
  30
  31         struct property_test
  32         {
  33                 property_test(): o(6)
  34                 {
  35                         m_internal.name_ = "internal name";
  36                 }
  37
  38                 std::string name_;
  39                 int a_;
  40                 float o;
  41                 internal m_internal;
  42
  43                 void set(int a) { a_ = a; feedback = a; }
  44                 int get() const { feedback = a_; return a_; }
  45
  46                 void set_name(const char* name) { name_ = name; str = name; feedback = 0; }
  47                 const char* get_name() const { return name_.c_str(); }
  48
  49                 const internal& get_internal() const { return m_internal; }
  50         };
  51
  52         int tester(lua_State* L)
  53         {
  54                 if (!lua_isnumber(L, 1))
  55                 {
  56                         feedback = 0;
  57                         if (lua_isstring(L, 1))
  58                         {
  59                                 str = lua_tostring(L, 1);
  60                         }
  61                 }
  62                 else
  63                 {
  64                         feedback = static_cast<int>(lua_tonumber(L, 1));
  65                 }
  66                 return 0;
  67         }
  68
  69         void free_setter(property_test& p, int a)
  70         { p.set(a); }
  71
  72         int free_getter(const property_test& p)
  73         { return p.get(); }
  74
  75 } // anonymous namespace
  76
  77 bool test_attributes()
  78 {
  79         using namespace luabind;
  80
  81         lua_State* L = lua_open();
  82         lua_baselibopen(L);
  83         lua_closer c(L);
  84         int top = lua_gettop(L);
  85
  86         luabind::open(L);
  87
  88         lua_pushstring(L, "tester");
  89         lua_pushcfunction(L, tester);
  90         lua_settable(L, LUA_GLOBALSINDEX);
  91
  92         module(L)
  93         [
  94                 class_<my_enum_>("my_enum")
  95                         .enum_("constants")
  96                         [
  97                                 value("my_value", my_value)
  98                         ],
  99
 100                 class_<my_enum_user>("my_enum_user")
 101                         .def_readwrite("e", &my_enum_user::e),
 102
 103                 class_<internal>("internal")
 104                         .def_readonly("name", &internal::name_),
 105
 106                 class_<property_test>("property")
 107                         .def(luabind::constructor<>())
 108                         .def("get", &property_test::get)
 109                         .def("get_name", &property_test::get_name)
 110                         .property("a", &property_test::get, &property_test::set)
 111                         .property("name", &property_test::get_name, &property_test::set_name)
 112                         .def_readonly("o", &property_test::o)
 113                         .property("internal", &property_test::get_internal, dependency(result, self))
 114                         .property("free", &free_getter, &free_setter)
 115         ];
 116
 117         if (dostring(L, "test = property()")) return false;
 118         if (dostring(L, "test.a = 5")) return false;
 119         if (feedback != 5) return false;
 120
 121         if (dostring(L, "test.name = 'Dew'")) return false;
 122         if (dostring(L, "tester(test.name)")) return false;
 123         if (feedback != 0) return false;
 124         if (str != "Dew") return false;
 125
 126         if (dostring(L, "function d(x) end d(test.a)")) return false;
 127         if (feedback != 5) return false;
 128
 129         if (dostring(L, "test.name = 'mango'")) return false;
 130         if (feedback != 0) return false;
 131         if (str != "mango") return false;
 132
 133         if (dostring(L, "tester(test.o)")) return false;
 134         if (feedback != 6) return false;
 135
 136         object glob = get_globals(L);
 137
 138         if (dostring(L, "a = 4")) return false;
 139         if (glob["a"].type() != LUA_TNUMBER) return false;
 140         if (dostring(L, "a = test[nil]")) return false;
 141         if (glob["a"].type() != LUA_TNIL) return false;
 142         if (dostring(L, "a = test[3.6]")) return false;
 143         if (glob["a"].type() != LUA_TNIL) return false;
 144
 145         lua_pushstring(L, "test");
 146         glob["test_string"].set();
 147
 148         if (object_cast<std::string>(glob["test_string"]) != "test") return false;
 149
 150         object t = glob["t"];
 151         lua_pushnumber(L, 4);
 152         t.set();
 153         if (object_cast<int>(t) != 4) return false;
 154
 155         glob["test_string"] = std::string("barfoo");
 156
 157 //      swap overloads doesn't work on vc
 158 #if !defined(BOOST_MSVC) && !defined(BOOST_INTEL_CXX_VERSION)
 159         std::swap(glob["test_string"], glob["a"]);
 160         if (object_cast<std::string>(glob["a"]) != "barfoo") return false;
 161         int type = glob["test_string"].type();
 162         if (type != LUA_TNIL) return false;
 163
 164         if (glob["test_string"].type() != LUA_TNIL) return false;
 165 #endif
 166
 167         if (dostring2(L, "test.o = 5") != 1) return false;
 168         if (std::string("cannot set attribute 'property.o'") != lua_tostring(L, -1)) return false;
 169         lua_pop(L, 1);
 170
 171         if (dostring(L, "tester(test.name)")) return false;
 172         if (feedback != 0) return false;
 173         if (str != "mango") return false;
 174
 175         if (top != lua_gettop(L)) return false;
 176
 177         dostring(L, "a = property()");
 178         dostring(L, "b = a.internal");
 179         dostring(L, "a = nil");
 180         dostring(L, "collectgarbage(0)");
 181         dostring(L, "collectgarbage(0)");
 182         return true;
 183 }