test/test_free_functions.cpp

   1 // Copyright (c) 2004 Daniel Wallin and Arvid Norberg
   2
   3 // Permission is hereby granted, free of charge, to any person obtaining a
   4 // copy of this software and associated documentation files (the "Software"),
   5 // to deal in the Software without restriction, including without limitation
   6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 // and/or sell copies of the Software, and to permit persons to whom the
   8 // Software is furnished to do so, subject to the following conditions:
   9
  10 // The above copyright notice and this permission notice shall be included
  11 // in all copies or substantial portions of the Software.
  12
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  14 // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  15 // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  16 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  17 // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  18 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  21 // OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 #include "test.hpp"
  24 #include <luabind/luabind.hpp>
  25 //#include <luabind/functor.hpp>
  26 #include <luabind/adopt_policy.hpp>
  27 /*
  28 luabind::functor<int> functor_test;
  29
  30 void set_functor(luabind::functor<int> f)
  31 {
  32     functor_test = f;
  33 }
  34 */
  35
  36 struct base : counted_type<base>
  37 {
  38     int f()
  39     {
  40         return 5;
  41     }
  42 };
  43
  44 COUNTER_GUARD(base);
  45
  46 int f(int x)
  47 {
  48     return x + 1;
  49 }
  50
  51 int f(int x, int y)
  52 {
  53     return x + y;
  54 }
  55
  56 base* create_base()
  57 {
  58     return new base();
  59 }
  60
  61 void test_value_converter(const std::string str)
  62 {
  63     TEST_CHECK(str == "converted string");
  64 }
  65
  66 void test_pointer_converter(const char* const str)
  67 {
  68     TEST_CHECK(std::strcmp(str, "converted string") == 0);
  69 }
  70
  71 struct copy_me
  72 {
  73 };
  74
  75 void take_by_value(copy_me m)
  76 {
  77 }
  78
  79 int function_should_never_be_called(lua_State* L)
  80 {
  81     lua_pushnumber(L, 10);
  82     return 1;
  83 }
  84
  85 namespace luabind { namespace converters
  86 {
  87     yes_t is_user_defined(by_value<int>);
  88
  89     int convert_lua_to_cpp(lua_State* L, by_value<int>, int index)
  90     {
  91         return static_cast<int>(lua_tonumber(L, index));
  92     }
  93
  94     int match_lua_to_cpp(lua_State* L, by_value<int>, int index)
  95     {
  96         if (lua_isnumber(L, index)) return 0; else return -1;
  97     }
  98
  99     void convert_cpp_to_lua(lua_State* L, const  int& v)
 100     {
 101         lua_pushnumber(L, v);
 102     }
 103
 104 }}
 105
 106 void test_main(lua_State* L)
 107 {
 108     using namespace luabind;
 109
 110     lua_pushstring(L, "f");
 111     lua_pushcclosure(L, &function_should_never_be_called, 0);
 112     lua_settable(L, LUA_GLOBALSINDEX);
 113
 114     DOSTRING(L, "assert(f() == 10)");
 115
 116     module(L)
 117     [
 118         class_<copy_me>("copy_me")
 119             .def(constructor<>()),
 120
 121         class_<base>("base")
 122             .def("f", &base::f),
 123
 124
 125         def("by_value", &take_by_value),
 126
 127         def("f", (int(*)(int)) &f),
 128         def("f", (int(*)(int, int)) &f),
 129         def("create", &create_base, adopt(return_value))
 130 //        def("set_functor", &set_functor)
 131
 132 #if !(BOOST_MSVC < 1300)
 133         ,
 134         def("test_value_converter", &test_value_converter),
 135         def("test_pointer_converter", &test_pointer_converter)
 136 #endif
 137
 138     ];
 139
 140     DOSTRING(L,
 141         "e = create()\n"
 142         "assert(e:f() == 5)");
 143
 144     DOSTRING(L, "assert(f(7) == 8)");
 145
 146     DOSTRING(L, "assert(f(3, 9) == 12)");
 147
 148 //    DOSTRING(L, "set_functor(function(x) return x * 10 end)");
 149
 150 //    TEST_CHECK(functor_test(20) == 200);
 151
 152 //    DOSTRING(L, "set_functor(nil)");
 153
 154     DOSTRING(L, "function lua_create() return create() end");
 155     base* ptr = call_function<base*>(L, "lua_create") [ adopt(result) ];
 156     delete ptr;
 157
 158 #if !(BOOST_MSVC < 1300)
 159     DOSTRING(L, "test_value_converter('converted string')");
 160     DOSTRING(L, "test_pointer_converter('converted string')");
 161 #endif
 162
 163     DOSTRING_EXPECTED(L, "f('incorrect', 'parameters')",
 164         "no match for function call 'f' with the parameters (string, string)\n"
 165         "candidates are:\n"
 166         "f(number)\n"
 167         "f(number, number)\n");
 168
 169 //    DOSTRING(L,
 170 //        "function functor_test(a) glob = a\n"
 171 //        " return 'foobar'\n"
 172 //        "end");
 173 //    functor<std::string> functor_test = object_cast<functor<std::string> >(globals(L)["functor_test"]);
 174
 175 //    TEST_CHECK(functor_test(6)[detail::null_type()] == "foobar");
 176 //    TEST_CHECK(object_cast<int>(globals(L)["glob"]) == 6);
 177
 178 //    functor<std::string> functor_test2 = object_cast<functor<std::string> >(globals(L)["functor_test"]);
 179
 180 //    TEST_CHECK(functor_test == functor_test2);
 181 }
 182