test/test_attributes.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
  26 struct A
  27 {
  28         int get() const
  29         {
  30                 return 5;
  31         }
  32 };
  33
  34 struct B : A
  35 {
  36 };
  37
  38 struct C
  39 {
  40         int a;
  41 };
  42
  43 struct property_test : counted_type<property_test>
  44 {
  45     property_test(): o(6), c_ref(&c) {}
  46          ~property_test() { c.a = 0; }
  47
  48     std::string str_;
  49     int a_;
  50     float o;
  51     signed char b;
  52          C c;
  53          C* c_ref;
  54
  55     void set(int a) { a_ = a; }
  56     int get() const { return a_; }
  57
  58     void setA(A* a) {}
  59          A* getA() const { return 0; }
  60
  61     void set_str(const char* str)
  62     { str_ = str; }
  63
  64     const char* get_str() const
  65     { return str_.c_str(); }
  66 };
  67
  68 COUNTER_GUARD(property_test);
  69
  70 void free_setter(property_test& p, int a)
  71 { p.set(a); }
  72
  73 int free_getter(const property_test& p)
  74 { return p.get(); }
  75
  76 void test_main(lua_State* L)
  77 {
  78     using namespace luabind;
  79
  80     module(L)
  81     [
  82                 class_<property_test>("property")
  83                         .def(luabind::constructor<>())
  84                         .def("get", &property_test::get)
  85                         .property("a", &property_test::get, &property_test::set)
  86                         .property("str", &property_test::get_str, &property_test::set_str)
  87                         .property("A", &property_test::getA, &property_test::setA)
  88                         .def_readonly("o", &property_test::o)
  89                         .property("free", &free_getter, &free_setter)
  90                         .def_readwrite("b", &property_test::b)
  91                         .def_readwrite("c", &property_test::c)
  92                         .def_readwrite("c_ref", &property_test::c_ref),
  93
  94                 class_<A>("A")
  95                         .def(constructor<>())
  96                         .property("a", &A::get),
  97
  98                 class_<B, A>("B")
  99                         .def(constructor<>())
 100                         .property("x", &A::get),
 101
 102                 class_<C>("C")
 103                         .def(constructor<>())
 104                         .def_readwrite("a", &C::a)
 105         ];
 106
 107         DOSTRING(L, "test = property()\n");
 108
 109         DOSTRING(L,
 110                 "test.a = 5\n"
 111                 "assert(test.a == 5)");
 112
 113         DOSTRING(L, "assert(test.o == 6)");
 114
 115         DOSTRING(L,
 116                 "test.new_member = 'foo'\n"
 117                 "assert(test.new_member == 'foo')");
 118
 119         DOSTRING(L,
 120                 "property.new_member2 = 'bar'\n"
 121                 "assert(property.new_member2 == 'bar')");
 122
 123         DOSTRING(L,
 124                 "b = property()\n"
 125                 "assert(b.new_member2 == 'bar')");
 126
 127         DOSTRING(L,
 128                 "test.str = 'foobar'\n"
 129                 "assert(test.str == 'foobar')\n");
 130
 131     DOSTRING(L,
 132         "test.free = 6\n"
 133         "assert(test.free == 6)\n");
 134
 135     DOSTRING(L,
 136         "test.b = 3\n"
 137         "assert(test.b == 3)\n");
 138
 139         DOSTRING(L, "test.c.a = 1\n"
 140                 "assert(test.c.a == 1)\n"
 141                 "assert(test.c_ref.a == 1)");
 142
 143         DOSTRING(L, "t1 = property()\n"
 144                 "c = t1.c\n"
 145                 "c2 = t1.c_ref\n"
 146                 "c.a = 1\n"
 147                 "t1 = nil\n"
 148                 "collectgarbage()\n"
 149                 "collectgarbage()\n"
 150                 "assert(c.a == 1)\n"
 151                 "assert(c2.a == 1)");
 152
 153         DOSTRING(L,
 154                 "a = B()\n");
 155
 156         DOSTRING(L,
 157                 "assert(a.a == 5)\n");
 158
 159         DOSTRING(L,
 160                 "assert(a.x == 5)\n");
 161 }
 162