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 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 COUNTER_GUARD(test_param);
  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 void test_main(lua_State* L)
 117 {
 118         using namespace luabind;
 119
 120         module(L)
 121         [
 122                 def("test_object_param", &test_object_param),
 123                 def("test_fun", &test_fun),
 124                 def("test_match", (int(*)(const luabind::object&))&test_match),
 125                 def("test_match", (int(*)(int))&test_match),
 126                 def("test_match_object", &test_match_object),
 127
 128                 class_<test_param>("test_param")
 129                         .def(constructor<>())
 130                         .def_readwrite("obj", &test_param::obj)
 131                         .def_readonly("obj2", &test_param::obj2)
 132         ];
 133
 134         DOSTRING(L,
 135                 "t = 2\n"
 136                 "assert(test_object_param(t) == 1)");
 137
 138         DOSTRING(L, "assert(test_object_param(nil) == 2)");
 139         DOSTRING(L, "t = { ['oh'] = 4, 3, 5, 7, 13 }");
 140         DOSTRING(L, "assert(test_object_param(t) == 0)");
 141         DOSTRING(L, "assert(t.sum == 4 + 3 + 5 + 7 + 13)");
 142         DOSTRING(L, "assert(t.sum2 == 4 + 3 + 5 + 7 + 13)");
 143         DOSTRING(L, "assert(t.sum3 == 4 + 3 + 5 + 7 + 13)");
 144         DOSTRING(L, "assert(t.blurp == 5)");
 145
 146         object g = get_globals(L);
 147         object fun = g["test_fun"];
 148         object ret = fun();
 149         TEST_CHECK(object_cast<int>(ret) == 42);
 150
 151         DOSTRING(L, "function test_param_policies(x, y) end");
 152         object test_param_policies = g["test_param_policies"];
 153         int a = test_param_policies.type();
 154         TEST_CHECK(a == LUA_TFUNCTION);
 155
 156         // call the function and tell lua to adopt the pointer passed as first argument
 157         test_param_policies(5, new test_param())[adopt(_2)];
 158
 159         DOSTRING(L, "assert(test_match(7) == 1)");
 160         DOSTRING(L, "assert(test_match('oo') == 0)");
 161
 162         DOSTRING(L,
 163                 "t = test_param()\n"
 164                 "t.obj = 'foo'\n"
 165                 "assert(t.obj == 'foo')\n"
 166                 "assert(t.obj2 == nil)");
 167
 168         DOSTRING(L,
 169                 "function test_object_policies(a) glob = a\n"
 170                 "return 6\n"
 171                 "end");
 172         object test_object_policies = g["test_object_policies"];
 173         object ret_val = test_object_policies("teststring")[detail::null_type()];
 174         TEST_CHECK(object_cast<int>(ret_val) == 6);
 175         TEST_CHECK(object_cast<std::string>(g["glob"]) == "teststring");
 176         TEST_CHECK(object_cast<std::string>(g.at("glob")) == "teststring");
 177         TEST_CHECK(object_cast<std::string>(g.raw_at("glob")) == "teststring");
 178
 179         object t = newtable(L);
 180         TEST_CHECK(t.begin() == t.end());
 181         TEST_CHECK(t.raw_begin() == t.raw_end());
 182
 183         DOSTRING(L,
 184                 "p1 = {}\n"
 185                 "p2 = {}\n"
 186                 "p3 = {}\n"
 187                 "test_match_object(p1, p2, p3)\n"
 188                 "assert(p1.ret == 1)\n"
 189                 "assert(p2.ret == 2)\n"
 190                 "assert(p3.ret == 3)\n");
 191
 192 #ifndef LUABIND_NO_EXCEPTIONS
 193
 194         try
 195         {
 196                 object not_initialized;
 197                 int i = object_cast<int>(not_initialized);
 198                 (void)i;
 199                 TEST_ERROR("invalid cast succeeded");
 200         }
 201         catch(luabind::cast_failed&) {}
 202
 203 #endif
 204
 205         object not_initialized;
 206         TEST_CHECK(!object_cast_nothrow<int>(not_initialized));
 207 }