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 #include <luabind/operator.hpp>
  30
  31 #include <boost/lexical_cast.hpp>
  32
  33 #include <utility>
  34
  35 using namespace luabind;
  36
  37 int test_object_param(const object& table)
  38 {
  39         LUABIND_CHECK_STACK(table.interpreter());
  40
  41         object current_object;
  42         current_object = table;
  43         lua_State* L = table.interpreter();
  44
  45         if (type(table) == LUA_TTABLE)
  46         {
  47                 int sum1 = 0;
  48                 for (iterator i(table), e; i != e; ++i)
  49                 {
  50                         assert(type(*i) == LUA_TNUMBER);
  51                         sum1 += object_cast<int>(*i);
  52                 }
  53
  54                 int sum2 = 0;
  55                 for (raw_iterator i(table), e; i != e; ++i)
  56                 {
  57                         assert(type(*i) == LUA_TNUMBER);
  58                         sum2 += object_cast<int>(*i);
  59                 }
  60
  61                 // test iteration of empty table
  62                 object empty_table = newtable(L);
  63                 for (iterator i(empty_table), e; i != e; ++i)
  64                 {}
  65
  66                 table["sum1"] = sum1;
  67                 table["sum2"] = sum2;
  68                 table["blurp"] = 5;
  69                 table["sum3"] = table["sum1"];
  70                 return 0;
  71         }
  72         else
  73         {
  74                 if (type(table) != 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         bool operator==(test_param const& rhs) const
  96         { return obj == rhs.obj && obj2 == rhs.obj2; }
  97 };
  98
  99 COUNTER_GUARD(test_param);
 100
 101 int test_match(const luabind::object& o)
 102 {
 103         return 0;
 104 }
 105
 106 int test_match(int i)
 107 {
 108         return 1;
 109 }
 110
 111 void test_match_object(
 112         luabind::object p1
 113   , luabind::object p2
 114   , luabind::object p3)
 115 {
 116         p1["ret"] = 1;
 117         p2["ret"] = 2;
 118         p3["ret"] = 3;
 119 }
 120
 121 void test_call(lua_State* L)
 122 {
 123     DOSTRING(L,
 124         "function sum(...)\n"
 125         "    local result = 0\n"
 126         "    for _,x in pairs({...}) do\n"
 127         "        result = result + x\n"
 128         "    end\n"
 129         "    return result\n"
 130         "end\n"
 131     );
 132
 133     object sum = globals(L)["sum"];
 134
 135     TEST_CHECK(object_cast<int>(sum()) == 0);
 136     TEST_CHECK(object_cast<int>(sum(1)) == 1);
 137     TEST_CHECK(object_cast<int>(sum(1,2)) == 3);
 138     TEST_CHECK(object_cast<int>(sum(1,2,3)) == 6);
 139     TEST_CHECK(object_cast<int>(sum(1,2,3,4)) == 10);
 140     TEST_CHECK(object_cast<int>(sum(1,2,3,4,5)) == 15);
 141 }
 142
 143 void test_main(lua_State* L)
 144 {
 145         using namespace luabind;
 146
 147         module(L)
 148         [
 149                 def("test_object_param", &test_object_param),
 150                 def("test_fun", &test_fun),
 151                 def("test_match", (int(*)(const luabind::object&))&test_match),
 152                 def("test_match", (int(*)(int))&test_match),
 153                 def("test_match_object", &test_match_object),
 154
 155                 class_<test_param>("test_param")
 156                         .def(constructor<>())
 157                         .def_readwrite("obj", &test_param::obj)
 158                         .def_readonly("obj2", &test_param::obj2)
 159                         .def(const_self == const_self)
 160         ];
 161
 162         object uninitialized;
 163         TEST_CHECK(!uninitialized);
 164         TEST_CHECK(!uninitialized.is_valid());
 165
 166         test_param temp_object;
 167         globals(L)["temp"] = temp_object;
 168         TEST_CHECK(object_cast<test_param>(globals(L)["temp"]) == temp_object);
 169         globals(L)["temp"] = &temp_object;
 170         TEST_CHECK(object_cast<test_param const*>(globals(L)["temp"]) == &temp_object);
 171         TEST_CHECK(globals(L)["temp"] == temp_object);
 172
 173         // test the registry
 174         object reg = registry(L);
 175         reg["__a"] = "foobar";
 176         TEST_CHECK(object_cast<std::string>(registry(L)["__a"]) == "foobar");
 177
 178         DOSTRING(L,
 179                 "t = 2\n"
 180                 "assert(test_object_param(t) == 1)");
 181
 182         DOSTRING(L, "assert(test_object_param(nil) == 2)");
 183         DOSTRING(L, "t = { ['oh'] = 4, 3, 5, 7, 13 }");
 184         DOSTRING(L, "assert(test_object_param(t) == 0)");
 185         DOSTRING(L, "assert(t.sum1 == 4 + 3 + 5 + 7 + 13)");
 186         DOSTRING(L, "assert(t.sum2 == 4 + 3 + 5 + 7 + 13)");
 187         DOSTRING(L, "assert(t.blurp == 5)");
 188
 189         object g = globals(L);
 190         object ret = g["test_fun"]();
 191         TEST_CHECK(object_cast<int>(ret) == 42);
 192
 193         DOSTRING(L, "function test_param_policies(x, y) end");
 194         object test_param_policies = g["test_param_policies"];
 195         int a = type(test_param_policies);
 196         TEST_CHECK(a == LUA_TFUNCTION);
 197
 198         luabind::object obj;
 199         obj = luabind::object();
 200
 201         // call the function and tell lua to adopt the pointer passed as first argument
 202         test_param_policies(5, new test_param())[adopt(_2)];
 203
 204         DOSTRING(L, "assert(test_match(7) == 1)");
 205         DOSTRING(L, "assert(test_match('oo') == 0)");
 206
 207         DOSTRING(L,
 208                 "t = test_param()\n"
 209                 "t.obj = 'foo'\n"
 210                 "assert(t.obj == 'foo')\n"
 211                 "assert(t.obj2 == nil)");
 212
 213         DOSTRING(L,
 214                 "function test_object_policies(a) glob = a\n"
 215                 "return 6\n"
 216                 "end");
 217         object test_object_policies = g["test_object_policies"];
 218         object ret_val = test_object_policies("teststring")[detail::null_type()];
 219         TEST_CHECK(object_cast<int>(ret_val) == 6);
 220         TEST_CHECK(ret_val == 6);
 221         TEST_CHECK(6 == ret_val);
 222         g["temp_val"] = 6;
 223         TEST_CHECK(ret_val == g["temp_val"]);
 224         object temp_val = g["temp_val"];
 225         TEST_CHECK(ret_val == temp_val);
 226
 227         g["temp"] = "test string";
 228         TEST_CHECK(boost::lexical_cast<std::string>(g["temp"]) == "test string");
 229         g["temp"] = 6;
 230         TEST_CHECK(boost::lexical_cast<std::string>(g["temp"]) == "6");
 231
 232         TEST_CHECK(object_cast<std::string>(g["glob"]) == "teststring");
 233         TEST_CHECK(object_cast<std::string>(gettable(g, "glob")) == "teststring");
 234         TEST_CHECK(object_cast<std::string>(rawget(g, "glob")) == "teststring");
 235
 236         object t = newtable(L);
 237         TEST_CHECK(iterator(t) == iterator());
 238         TEST_CHECK(raw_iterator(t) == raw_iterator());
 239
 240         t["foo"] = "bar";
 241
 242         TEST_CHECK(object_cast<std::string>(t["foo"]) == "bar");
 243         TEST_CHECK(object_cast<std::string>(*iterator(t)) == "bar");
 244         TEST_CHECK(object_cast<std::string>(*raw_iterator(t)) == "bar");
 245
 246         t["foo"] = nil; // luabind::nil_type
 247
 248         TEST_CHECK(iterator(t) == iterator());
 249         TEST_CHECK(raw_iterator(t) == raw_iterator());
 250
 251         t["foo"] = "bar";
 252         iterator it1(t);
 253         *it1 = nil;
 254
 255         TEST_CHECK(iterator(t) == iterator());
 256         TEST_CHECK(raw_iterator(t) == raw_iterator());
 257
 258         t["foo"] = "bar";
 259         raw_iterator it2(t);
 260         *it2 = nil;
 261
 262         TEST_CHECK(iterator(t) == iterator());
 263         TEST_CHECK(raw_iterator(t) == raw_iterator());
 264
 265         DOSTRING(L,
 266                 "p1 = {}\n"
 267                 "p2 = {}\n"
 268                 "p3 = {}\n"
 269                 "test_match_object(p1, p2, p3)\n"
 270                 "assert(p1.ret == 1)\n"
 271                 "assert(p2.ret == 2)\n"
 272                 "assert(p3.ret == 3)\n");
 273
 274
 275 #ifndef LUABIND_NO_EXCEPTIONS
 276
 277         try
 278         {
 279                 object not_initialized;
 280                 int i = object_cast<int>(not_initialized);
 281                 (void)i;
 282                 TEST_ERROR("invalid cast succeeded");
 283         }
 284         catch(luabind::cast_failed&) {}
 285
 286 #endif
 287
 288     object not_initialized;
 289     TEST_CHECK(!object_cast_nothrow<int>(not_initialized));
 290          TEST_CHECK(!not_initialized.is_valid());
 291          TEST_CHECK(!not_initialized);
 292
 293     DOSTRING(L, "t = { {1}, {2}, {3}, {4} }");
 294
 295     int inner_sum = 0;
 296
 297     for (iterator i(globals(L)["t"]), e; i != e; ++i)
 298     {
 299         inner_sum += object_cast<int>((*i)[1]);
 300     }
 301
 302     TEST_CHECK(inner_sum == 1 + 2 + 3 + 4);
 303
 304     DOSTRING(L, "t = { {1, 2}, {3, 4}, {5, 6}, {7, 8} }");
 305
 306     inner_sum = 0;
 307
 308     for (iterator i(globals(L)["t"]), e; i != e; ++i)
 309     {
 310         for (iterator j(*i), e; j != e; ++j)
 311         {
 312             inner_sum += object_cast<int>(*j);
 313         }
 314     }
 315
 316     TEST_CHECK(inner_sum == 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8);
 317     TEST_CHECK(object_cast<int>(globals(L)["t"][2][2]) == 4);
 318
 319     test_call(L);
 320 }
 321