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
  24 #include "test.hpp"
  25 #include <luabind/luabind.hpp>
  26 #include <luabind/adopt_policy.hpp>
  27 #include <luabind/detail/debug.hpp>
  28 #include <luabind/error.hpp>
  29
  30 #include <utility>
  31
  32 using namespace luabind;
  33
  34 int test_object_param(const object& table)
  35 {
  36         LUABIND_CHECK_STACK(table.interpreter());
  37
  38         object current_object;
  39         current_object = table;
  40         lua_State* L = table.interpreter();
  41
  42         if (type(table) == LUA_TTABLE)
  43         {
  44                 int sum1 = 0;
  45                 for (iterator i(table), e; i != e; ++i)
  46                 {
  47                         assert(type(*i) == LUA_TNUMBER);
  48                         sum1 += object_cast<int>(*i);
  49                 }
  50
  51                 int sum2 = 0;
  52                 for (raw_iterator i(table), e; i != e; ++i)
  53                 {
  54                         assert(type(*i) == LUA_TNUMBER);
  55                         sum2 += object_cast<int>(*i);
  56                 }
  57
  58                 // test iteration of empty table
  59                 object empty_table = newtable(L);
  60                 for (iterator i(empty_table), e; i != e; ++i)
  61                 {}
  62
  63                 table["sum1"] = sum1;
  64                 table["sum2"] = sum2;
  65                 table["blurp"] = 5;
  66                 return 0;
  67         }
  68         else
  69         {
  70                 if (type(table) != LUA_TNIL)
  71                 {
  72                         return 1;
  73                 }
  74                 else
  75                 {
  76                         return 2;
  77                 }
  78         }
  79 }
  80
  81 int test_fun()
  82 {
  83         return 42;
  84 }
  85
  86 struct test_param : counted_type<test_param>
  87 {
  88         luabind::object obj;
  89         luabind::object obj2;
  90 };
  91
  92 COUNTER_GUARD(test_param);
  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 void test_match_object(
 105         luabind::object p1
 106   , luabind::object p2
 107   , luabind::object p3)
 108 {
 109         p1["ret"] = 1;
 110         p2["ret"] = 2;
 111         p3["ret"] = 3;
 112 }
 113
 114 void test_main(lua_State* L)
 115 {
 116         using namespace luabind;
 117
 118         module(L)
 119         [
 120                 def("test_object_param", &test_object_param),
 121                 def("test_fun", &test_fun),
 122                 def("test_match", (int(*)(const luabind::object&))&test_match),
 123                 def("test_match", (int(*)(int))&test_match),
 124                 def("test_match_object", &test_match_object),
 125
 126                 class_<test_param>("test_param")
 127                         .def(constructor<>())
 128                         .def_readwrite("obj", &test_param::obj)
 129                         .def_readonly("obj2", &test_param::obj2)
 130         ];
 131
 132         object uninitialized;
 133         TEST_CHECK(!uninitialized);
 134         TEST_CHECK(!uninitialized.is_valid());
 135
 136         DOSTRING(L,
 137                 "t = 2\n"
 138                 "assert(test_object_param(t) == 1)");
 139
 140         DOSTRING(L, "assert(test_object_param(nil) == 2)");
 141         DOSTRING(L, "t = { ['oh'] = 4, 3, 5, 7, 13 }");
 142         DOSTRING(L, "assert(test_object_param(t) == 0)");
 143         DOSTRING(L, "assert(t.sum1 == 4 + 3 + 5 + 7 + 13)");
 144         DOSTRING(L, "assert(t.sum2 == 4 + 3 + 5 + 7 + 13)");
 145         DOSTRING(L, "assert(t.blurp == 5)");
 146
 147         object g = globals(L);
 148         object ret = g["test_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 = type(test_param_policies);
 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(ret_val == 6);
 176         TEST_CHECK(6 == ret_val);
 177         g["temp_val"] = 6;
 178         TEST_CHECK(ret_val == g["temp_val"]);
 179         object temp_val = g["temp_val"];
 180         TEST_CHECK(ret_val == temp_val);
 181
 182         TEST_CHECK(object_cast<std::string>(g["glob"]) == "teststring");
 183         TEST_CHECK(object_cast<std::string>(gettable(g, "glob")) == "teststring");
 184         TEST_CHECK(object_cast<std::string>(rawget(g, "glob")) == "teststring");
 185
 186         object t = newtable(L);
 187         TEST_CHECK(iterator(t) == iterator());
 188         TEST_CHECK(raw_iterator(t) == raw_iterator());
 189
 190         DOSTRING(L,
 191                 "p1 = {}\n"
 192                 "p2 = {}\n"
 193                 "p3 = {}\n"
 194                 "test_match_object(p1, p2, p3)\n"
 195                 "assert(p1.ret == 1)\n"
 196                 "assert(p2.ret == 2)\n"
 197                 "assert(p3.ret == 3)\n");
 198
 199
 200 #ifndef LUABIND_NO_EXCEPTIONS
 201
 202         try
 203         {
 204                 object not_initialized;
 205                 int i = object_cast<int>(not_initialized);
 206                 (void)i;
 207                 TEST_ERROR("invalid cast succeeded");
 208         }
 209         catch(luabind::cast_failed&) {}
 210
 211 #endif
 212
 213     object not_initialized;
 214     TEST_CHECK(!object_cast_nothrow<int>(not_initialized));
 215          TEST_CHECK(!not_initialized.is_valid());
 216          TEST_CHECK(!not_initialized);
 217
 218     DOSTRING(L, "t = { {1}, {2}, {3}, {4} }");
 219
 220     int inner_sum = 0;
 221
 222     for (iterator i(globals(L)["t"]), e; i != e; ++i)
 223     {
 224         inner_sum += object_cast<int>((*i)[1]);
 225     }
 226
 227     TEST_CHECK(inner_sum == 1 + 2 + 3 + 4);
 228
 229     DOSTRING(L, "t = { {1, 2}, {3, 4}, {5, 6}, {7, 8} }");
 230
 231     inner_sum = 0;
 232
 233     for (iterator i(globals(L)["t"]), e; i != e; ++i)
 234     {
 235         for (iterator j(*i), e; j != e; ++j)
 236         {
 237             inner_sum += object_cast<int>(*j);
 238         }
 239     }
 240
 241     TEST_CHECK(inner_sum == 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8);
 242         TEST_CHECK(object_cast<int>(globals(L)["t"][2][2]) == 4);
 243 }