test/test_object.cpp

   1 // Copyright (c) 2003 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/adopt_policy.hpp>
  26 #include <luabind/detail/debug.hpp>
  27 #include <luabind/error.hpp>
  28
  29 #include <utility>
  30
  31 namespace
  32 {
  33         using namespace luabind;
  34
  35         int test_object_param(const object& table)
  36         {
  37                 LUABIND_CHECK_STACK(table.lua_state());
  38
  39                 object current_object;
  40                 current_object = table;
  41
  42                 if (table.type() == LUA_TTABLE)
  43                 {
  44
  45                         int sum = object_cast<int>(table["oh"]);
  46                         for (object::array_iterator i = table.abegin(); i != table.aend(); ++i)
  47                         {
  48                                 assert(i->type() == LUA_TNUMBER);
  49                                 sum += object_cast<int>(*i);
  50                         }
  51
  52                         int sum2 = 0;
  53                         for (object::iterator i = table.begin(); i != table.end(); ++i)
  54                         {
  55                                 assert(i->type() == LUA_TNUMBER);
  56                                 sum2 += object_cast<int>(*i);
  57                         }
  58
  59                         int sum3 = 0;
  60                         for (object::raw_iterator i = table.raw_begin(); i != table.raw_end(); ++i)
  61                         {
  62                                 assert(i->type() == LUA_TNUMBER);
  63                                 sum3 += object_cast<int>(*i);
  64                         }
  65
  66                         table["sum"] = sum;
  67                         table["sum2"] = sum2;
  68                         table["sum3"] = sum3;
  69                         table["blurp"] = 5;
  70                         return 0;
  71                 }
  72                 else
  73                 {
  74                         if (table.type() != LUA_TNIL)
  75                         {
  76                                 return 1;
  77                         }
  78                         else
  79                         {
  80                                 return 2;
  81                         }
  82                 }
  83         }
  84
  85         int test_fun()
  86         {
  87                 return 42;
  88         }
  89
  90         struct test_param : counted_type<test_param>
  91         {
  92                 luabind::object obj;
  93                 luabind::object obj2;
  94         };
  95
  96         int test_match(const luabind::object& o)
  97         {
  98                 return 0;
  99         }
 100
 101         int test_match(int i)
 102         {
 103                 return 1;
 104         }
 105
 106         void test_match_object(
 107                 luabind::object p1
 108                 , luabind::object p2
 109                 , luabind::object p3)
 110         {
 111                 p1["ret"] = 1;
 112                 p2["ret"] = 2;
 113                 p3["ret"] = 3;
 114         }
 115
 116 } // anonymous namespace
 117
 118 void test_object()
 119 {
 120     COUNTER_GUARD(test_param);
 121
 122         lua_state L;
 123
 124         using namespace luabind;
 125
 126         module(L)
 127         [
 128                 def("test_object_param", &test_object_param),
 129                 def("test_fun", &test_fun),
 130                 def("test_match", (int(*)(const luabind::object&))&test_match),
 131                 def("test_match", (int(*)(int))&test_match),
 132                 def("test_match_object", &test_match_object),
 133
 134                 class_<test_param>("test_param")
 135                         .def(constructor<>())
 136                         .def_readwrite("obj", &test_param::obj)
 137                         .def_readonly("obj2", &test_param::obj2)
 138         ];
 139
 140         DOSTRING(L,
 141                 "t = 2\n"
 142                 "assert(test_object_param(t) == 1)");
 143
 144         DOSTRING(L, "assert(test_object_param(nil) == 2)");
 145         DOSTRING(L, "t = { ['oh'] = 4, 3, 5, 7, 13 }");
 146         DOSTRING(L, "assert(test_object_param(t) == 0)");
 147         DOSTRING(L, "assert(t.sum == 4 + 3 + 5 + 7 + 13)");
 148         DOSTRING(L, "assert(t.sum2 == 4 + 3 + 5 + 7 + 13)");
 149         DOSTRING(L, "assert(t.sum3 == 4 + 3 + 5 + 7 + 13)");
 150         DOSTRING(L, "assert(t.blurp == 5)");
 151
 152         object g = get_globals(L);
 153         object fun = g["test_fun"];
 154         object ret = fun();
 155         BOOST_CHECK(object_cast<int>(ret) == 42);
 156
 157         DOSTRING(L, "function test_param_policies(x, y) end");
 158         object test_param_policies = g["test_param_policies"];
 159         int a = test_param_policies.type();
 160         BOOST_CHECK(a == LUA_TFUNCTION);
 161
 162         // call the function and tell lua to adopt the pointer passed as first argument
 163         test_param_policies(5, new test_param())[adopt(_2)];
 164
 165         DOSTRING(L, "assert(test_match(7) == 1)");
 166         DOSTRING(L, "assert(test_match('oo') == 0)");
 167
 168         DOSTRING(L,
 169                 "t = test_param()\n"
 170                 "t.obj = 'foo'\n"
 171                 "assert(t.obj == 'foo')\n"
 172                 "assert(t.obj2 == nil)");
 173
 174         DOSTRING(L,
 175                 "function test_object_policies(a) glob = a\n"
 176                 "return 6\n"
 177                 "end");
 178         object test_object_policies = g["test_object_policies"];
 179         object ret_val = test_object_policies("teststring")[detail::null_type()];
 180         BOOST_CHECK(object_cast<int>(ret_val) == 6);
 181         BOOST_CHECK(object_cast<std::string>(g["glob"]) == "teststring");
 182         BOOST_CHECK(object_cast<std::string>(g.at("glob")) == "teststring");
 183         BOOST_CHECK(object_cast<std::string>(g.raw_at("glob")) == "teststring");
 184
 185         object t = newtable(L);
 186         BOOST_CHECK(t.begin() == t.end());
 187         BOOST_CHECK(t.raw_begin() == t.raw_end());
 188
 189         DOSTRING(L,
 190                 "p1 = {}\n"
 191                 "p2 = {}\n"
 192                 "p3 = {}\n"
 193                 "test_match_object(p1, p2, p3)\n"
 194                 "assert(p1.ret == 1)\n"
 195                 "assert(p2.ret == 2)\n"
 196                 "assert(p3.ret == 3)\n");
 197
 198 #ifndef LUABIND_NO_EXCEPTIONS
 199
 200         try
 201         {
 202                 object not_initialized;
 203                 int i = object_cast<int>(not_initialized);
 204                 (void)i;
 205                 BOOST_ERROR("invalid cast succeeded");
 206         }
 207         catch(luabind::cast_failed&) {}
 208
 209 #endif
 210
 211         object not_initialized;
 212         BOOST_CHECK(!object_cast_nothrow<int>(not_initialized));
 213 }