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 <luabind/version.hpp>
  26 #include <boost/shared_ptr.hpp>
  27 #include <memory>
  28
  29 namespace luabind {
  30
  31 #ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  32     template<class T>
  33     T* get_pointer(boost::shared_ptr<T> const& p) { return p.get(); }
  34 #endif
  35
  36 }
  37
  38 struct base : counted_type<base>
  39 {
  40     base(): n(4) {}
  41     virtual ~base() {}
  42
  43     void f(int)
  44     {
  45     }
  46
  47     int n;
  48 };
  49
  50 // this is here to make sure the pointer offsetting works
  51 struct first_base : counted_type<first_base>
  52 {
  53     virtual ~first_base() {}
  54     virtual void a() {}
  55     int padding;
  56 };
  57
  58 struct derived : first_base, base
  59 {
  60     derived(): n2(7) {}
  61     void f() {}
  62     int n2;
  63 };
  64
  65 COUNTER_GUARD(first_base);
  66 COUNTER_GUARD(base);
  67
  68 int feedback = 0;
  69
  70 void tester(base* t)
  71 {
  72     if (t->n == 4) feedback = 1;
  73 }
  74
  75 void tester_(derived* t)
  76 {
  77     if (t->n2 == 7) feedback = 2;
  78 }
  79
  80 void tester2(boost::shared_ptr<base> t)
  81 {
  82     if (t->n == 4) feedback = 3;
  83 }
  84
  85 void tester3(boost::shared_ptr<const base> t)
  86 {
  87     if (t->n == 4) feedback = 4;
  88 }
  89
  90 void tester4(const boost::shared_ptr<const base>& t)
  91 {
  92     if (t->n == 4) feedback = 5;
  93 }
  94
  95 void tester5(const boost::shared_ptr<const base>* t)
  96 {
  97     if ((*t)->n == 4) feedback = 6;
  98 }
  99
 100 void tester6(const boost::shared_ptr<base>* t)
 101 {
 102     if ((*t)->n == 4) feedback = 7;
 103 }
 104
 105 void tester7(boost::shared_ptr<base>* t)
 106 {
 107     if ((*t)->n == 4) feedback = 8;
 108 }
 109
 110 boost::shared_ptr<base> tester9()
 111 {
 112     feedback = 9;
 113     return boost::shared_ptr<base>(new base());
 114 }
 115
 116 void tester10(boost::shared_ptr<base> const& r)
 117 {
 118         if (r->n == 4) feedback = 10;
 119 }
 120
 121 void tester11(boost::shared_ptr<const base> const& r)
 122 {
 123         if (r->n == 4) feedback = 11;
 124 }
 125
 126 void tester12(boost::shared_ptr<derived> const& r)
 127 {
 128         if (r->n2 == 7) feedback = 12;
 129 }
 130
 131 derived tester13()
 132 {
 133     feedback = 13;
 134         derived d;
 135         d.n2 = 13;
 136         return d;
 137 }
 138
 139 void test_main(lua_State* L)
 140 {
 141     boost::shared_ptr<base> base_ptr(new base());
 142
 143     using namespace luabind;
 144
 145     module(L)
 146     [
 147         def("tester", &tester),
 148         def("tester", &tester_),
 149         def("tester2", &tester2),
 150         def("tester3", &tester3),
 151         def("tester4", &tester4),
 152         def("tester5", &tester5),
 153         def("tester6", &tester6),
 154         def("tester7", &tester7),
 155         def("tester9", &tester9),
 156                 def("tester10", &tester10),
 157                 def("tester11", &tester11),
 158                 def("tester12", &tester12),
 159                 def("tester13", &tester13),
 160
 161         class_<base, boost::shared_ptr<base> >("base")
 162             .def(constructor<>())
 163             .def("f", &base::f),
 164
 165         class_<derived, base, boost::shared_ptr<base> >("derived")
 166             .def(constructor<>())
 167             .def("f", &derived::f)
 168     ];
 169
 170     object g = globals(L);
 171     g["ptr"] = base_ptr;
 172
 173     DOSTRING(L, "tester(ptr)");
 174     TEST_CHECK(feedback == 1);
 175
 176     DOSTRING(L,
 177         "a = base()\n"
 178         "b = derived()\n");
 179
 180 #if LUABIND_VERSION != 900
 181     DOSTRING(L, "tester(b)");
 182     TEST_CHECK(feedback == 2);
 183 #endif
 184
 185     DOSTRING(L, "tester(a)");
 186     TEST_CHECK(feedback == 1);
 187
 188     DOSTRING(L, "tester2(b)");
 189     TEST_CHECK(feedback == 3);
 190
 191     feedback = 0;
 192
 193     DOSTRING(L, "tester10(b)");
 194     TEST_CHECK(feedback == 10);
 195
 196 /* this test is messed up, shared_ptr<derived> isn't even registered
 197         DOSTRING_EXPECTED(
 198                 L
 199                 , "tester12(b)"
 200                 , "no match for function call 'tester12' with the parameters (derived)\n"
 201                 "candidates are:\n"
 202                 "tester12(const custom&)\n");
 203 */
 204 #if LUABIND_VERSION != 900
 205         object nil = globals(L)["non_existing_variable_is_nil"];
 206         TEST_CHECK(object_cast<boost::shared_ptr<base> >(nil).get() == 0);
 207         TEST_CHECK(object_cast<boost::shared_ptr<const base> >(nil).get() == 0);
 208 #endif
 209
 210     DOSTRING(L, "tester13()");
 211     TEST_CHECK(feedback == 13);
 212 }
 213