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