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