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