test/test_held_type.cpp

   1 // Copyright (c) 2004 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 <boost/shared_ptr.hpp>
  26 #include <memory>
  27
  28 namespace luabind {
  29
  30 #ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  31     template<class T>
  32     T* get_pointer(boost::shared_ptr<T> const& p) { return p.get(); }
  33 #endif
  34
  35 }
  36
  37 struct base : counted_type<base>
  38 {
  39     base(): n(4) {}
  40     virtual ~base() {}
  41
  42     void f(int)
  43     {
  44     }
  45
  46     int n;
  47 };
  48
  49 // this is here to make sure the pointer offsetting works
  50 struct first_base : counted_type<first_base>
  51 {
  52     virtual ~first_base() {}
  53     virtual void a() {}
  54     int padding;
  55 };
  56
  57 struct derived : first_base, base
  58 {
  59     derived(): n2(7) {}
  60     void f() {}
  61     int n2;
  62 };
  63
  64 COUNTER_GUARD(first_base);
  65 COUNTER_GUARD(base);
  66
  67 int feedback = 0;
  68
  69 void tester(base* t)
  70 {
  71     if (t->n == 4) feedback = 1;
  72 }
  73
  74 void tester_(derived* t)
  75 {
  76     if (t->n2 == 7) feedback = 2;
  77 }
  78
  79 void tester2(boost::shared_ptr<base> t)
  80 {
  81     if (t->n == 4) feedback = 3;
  82 }
  83
  84 void tester3(boost::shared_ptr<const base> t)
  85 {
  86     if (t->n == 4) feedback = 4;
  87 }
  88
  89 void tester4(const boost::shared_ptr<const base>& t)
  90 {
  91     if (t->n == 4) feedback = 5;
  92 }
  93
  94 void tester5(const boost::shared_ptr<const base>* t)
  95 {
  96     if ((*t)->n == 4) feedback = 6;
  97 }
  98
  99 void tester6(const boost::shared_ptr<base>* t)
 100 {
 101     if ((*t)->n == 4) feedback = 7;
 102 }
 103
 104 void tester7(boost::shared_ptr<base>* t)
 105 {
 106     if ((*t)->n == 4) feedback = 8;
 107 }
 108
 109 boost::shared_ptr<base> tester9()
 110 {
 111     feedback = 9;
 112     return boost::shared_ptr<base>(new base());
 113 }
 114
 115 void tester10(boost::shared_ptr<base> const& r)
 116 {
 117         if (r->n == 4) feedback = 10;
 118 }
 119
 120 void tester11(boost::shared_ptr<const base> const& r)
 121 {
 122         if (r->n == 4) feedback = 11;
 123 }
 124
 125 void tester12(boost::shared_ptr<derived> const& r)
 126 {
 127         if (r->n2 == 7) feedback = 12;
 128 }
 129
 130 derived tester13()
 131 {
 132     feedback = 13;
 133         derived d;
 134         d.n2 = 13;
 135         return d;
 136 }
 137
 138 void test_main(lua_State* L)
 139 {
 140     boost::shared_ptr<base> base_ptr(new base());
 141
 142     using namespace luabind;
 143
 144     module(L)
 145     [
 146         def("tester", &tester),
 147         def("tester", &tester_),
 148         def("tester2", &tester2),
 149         def("tester3", &tester3),
 150         def("tester4", &tester4),
 151         def("tester5", &tester5),
 152         def("tester6", &tester6),
 153         def("tester7", &tester7),
 154         def("tester9", &tester9),
 155                 def("tester10", &tester10),
 156                 def("tester11", &tester11),
 157                 def("tester12", &tester12),
 158                 def("tester13", &tester13),
 159
 160         class_<base, boost::shared_ptr<base> >("base")
 161             .def(constructor<>())
 162             .def("f", &base::f),
 163
 164         class_<derived, base, boost::shared_ptr<base> >("derived")
 165             .def(constructor<>())
 166             .def("f", &derived::f)
 167     ];
 168
 169     object g = globals(L);
 170     g["ptr"] = base_ptr;
 171
 172     DOSTRING(L, "tester(ptr)");
 173     TEST_CHECK(feedback == 1);
 174
 175     DOSTRING(L,
 176         "a = base()\n"
 177         "b = derived()\n");
 178
 179     DOSTRING(L, "tester(b)");
 180     TEST_CHECK(feedback == 2);
 181
 182     DOSTRING(L, "tester(a)");
 183     TEST_CHECK(feedback == 1);
 184
 185     DOSTRING(L, "tester2(b)");
 186     TEST_CHECK(feedback == 3);
 187
 188     DOSTRING(L, "tester3(b)");
 189     TEST_CHECK(feedback == 4);
 190
 191     DOSTRING(L, "tester4(b)");
 192     TEST_CHECK(feedback == 5);
 193
 194     feedback = 0;
 195
 196     DOSTRING(L, "tester4(a)");
 197     TEST_CHECK(feedback == 5);
 198
 199     DOSTRING(L, "tester10(b)");
 200     TEST_CHECK(feedback == 10);
 201
 202     DOSTRING(L, "tester11(b)");
 203     TEST_CHECK(feedback == 11);
 204 /* this test is messed up, shared_ptr<derived> isn't even registered
 205         DOSTRING_EXPECTED(
 206                 L
 207                 , "tester12(b)"
 208                 , "no match for function call 'tester12' with the parameters (derived)\n"
 209                 "candidates are:\n"
 210                 "tester12(const custom&)\n");
 211 */
 212         object nil = globals(L)["non_existing_variable_is_nil"];
 213         TEST_CHECK(object_cast<boost::shared_ptr<base> >(nil).get() == 0);
 214         TEST_CHECK(object_cast<boost::shared_ptr<const base> >(nil).get() == 0);
 215
 216     DOSTRING(L, "tester13()");
 217     TEST_CHECK(feedback == 13);
 218 }
 219