test/test_exceptions.cpp

   1 // Copyright (c) 2004 Daniel Wallin
   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 ex : public std::exception, public counted_type<ex>
  27 {
  28     ex(const char* m): msg(m) {}
  29     virtual ~ex() throw() {}
  30     virtual const char* what() const throw() { return msg; }
  31     const char* msg;
  32 };
  33
  34 struct exception_thrower : counted_type<exception_thrower>
  35 {
  36     exception_thrower() {}
  37     exception_thrower(int) { throw ex("exception description"); }
  38     exception_thrower(int, int) { throw "a string exception"; }
  39     exception_thrower(int, int, int) { throw 10; }
  40     int f() { throw ex("exception from a member function"); }
  41     int g() { throw "a string exception"; }
  42     int h() { throw 10; }
  43 };
  44
  45 COUNTER_GUARD(exception_thrower);
  46
  47 void test_main(lua_State* L)
  48 {
  49     using namespace luabind;
  50
  51 #ifndef LUABIND_NO_EXCEPTIONS
  52
  53     const int start_count = ex::count;
  54
  55     module(L)
  56     [
  57         class_<exception_thrower>("throw")
  58             .def(constructor<>())
  59             .def(constructor<int>())
  60             .def(constructor<int, int>())
  61             .def(constructor<int, int, int>())
  62             .def("f", &exception_thrower::f)
  63             .def("g", &exception_thrower::g)
  64             .def("h", &exception_thrower::h)
  65     ];
  66
  67     DOSTRING_EXPECTED(L, "a = throw(1)", "std::exception: 'exception description'");
  68     DOSTRING_EXPECTED(L, "a = throw(1,1)", "c-string: 'a string exception'");
  69     DOSTRING_EXPECTED(L, "a = throw(1,1,1)", "Unknown C++ exception");
  70     DOSTRING(L, "a = throw()");
  71     DOSTRING_EXPECTED(L, "a:f()", "std::exception: 'exception from a member function'");
  72     DOSTRING_EXPECTED(L, "a:g()", "c-string: 'a string exception'");
  73
  74     DOSTRING_EXPECTED(L, "a:h()", "Unknown C++ exception");
  75     DOSTRING_EXPECTED(L,
  76         "obj = throw('incorrect', 'parameters', 'constructor')",
  77         "No matching overload found, candidates:\n"
  78         "void __init(luabind::argument const&,int,int,int)\n"
  79         "void __init(luabind::argument const&,int,int)\n"
  80         "void __init(luabind::argument const&,int)\n"
  81         "void __init(luabind::argument const&)");
  82
  83     const int end_count = ex::count;
  84     TEST_CHECK( start_count == end_count );
  85
  86 #endif
  87 }
  88