ceph/src/boost/libs/smart_ptr/test/sp_convertible_test2.cpp

   1 #include <boost/config.hpp>
   2
   3 //  sp_convertible_test2.cpp
   4 //
   5 //  Copyright 2012, 2017 Peter Dimov
   6 //
   7 //  Distributed under the Boost Software License, Version 1.0.
   8 //  See accompanying file LICENSE_1_0.txt or copy at
   9 //  http://www.boost.org/LICENSE_1_0.txt
  10
  11 #include <boost/shared_ptr.hpp>
  12 #include <boost/weak_ptr.hpp>
  13 #include <boost/core/lightweight_test.hpp>
  14 #include <boost/type_traits/is_convertible.hpp>
  15
  16 //
  17
  18 class X;
  19
  20 class B
  21 {
  22 };
  23
  24 class D: public B
  25 {
  26 };
  27
  28 using boost::is_convertible;
  29
  30 #define TEST_CV_TRUE_( S1, T, S2, U ) \
  31     BOOST_TEST(( is_convertible< S1<T>, S2<U> >::value == true )); \
  32     BOOST_TEST(( is_convertible< S1<T>, S2<const U> >::value == true )); \
  33     BOOST_TEST(( is_convertible< S1<T>, S2<volatile U> >::value == true )); \
  34     BOOST_TEST(( is_convertible< S1<T>, S2<const volatile U> >::value == true )); \
  35     BOOST_TEST(( is_convertible< S1<const T>, S2<U> >::value == false )); \
  36     BOOST_TEST(( is_convertible< S1<const T>, S2<const U> >::value == true )); \
  37     BOOST_TEST(( is_convertible< S1<const T>, S2<volatile U> >::value == false )); \
  38     BOOST_TEST(( is_convertible< S1<const T>, S2<const volatile U> >::value == true )); \
  39     BOOST_TEST(( is_convertible< S1<volatile T>, S2<U> >::value == false )); \
  40     BOOST_TEST(( is_convertible< S1<volatile T>, S2<const U> >::value == false )); \
  41     BOOST_TEST(( is_convertible< S1<volatile T>, S2<volatile U> >::value == true )); \
  42     BOOST_TEST(( is_convertible< S1<volatile T>, S2<const volatile U> >::value == true )); \
  43     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<U> >::value == false )); \
  44     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const U> >::value == false )); \
  45     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<volatile U> >::value == false )); \
  46     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const volatile U> >::value == true ));
  47
  48 #define TEST_CV_FALSE_( S1, T, S2, U ) \
  49     BOOST_TEST(( is_convertible< S1<T>, S2<U> >::value == false )); \
  50     BOOST_TEST(( is_convertible< S1<T>, S2<const U> >::value == false )); \
  51     BOOST_TEST(( is_convertible< S1<T>, S2<volatile U> >::value == false )); \
  52     BOOST_TEST(( is_convertible< S1<T>, S2<const volatile U> >::value == false )); \
  53     BOOST_TEST(( is_convertible< S1<const T>, S2<U> >::value == false )); \
  54     BOOST_TEST(( is_convertible< S1<const T>, S2<const U> >::value == false )); \
  55     BOOST_TEST(( is_convertible< S1<const T>, S2<volatile U> >::value == false )); \
  56     BOOST_TEST(( is_convertible< S1<const T>, S2<const volatile U> >::value == false )); \
  57     BOOST_TEST(( is_convertible< S1<volatile T>, S2<U> >::value == false )); \
  58     BOOST_TEST(( is_convertible< S1<volatile T>, S2<const U> >::value == false )); \
  59     BOOST_TEST(( is_convertible< S1<volatile T>, S2<volatile U> >::value == false )); \
  60     BOOST_TEST(( is_convertible< S1<volatile T>, S2<const volatile U> >::value == false )); \
  61     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<U> >::value == false )); \
  62     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const U> >::value == false )); \
  63     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<volatile U> >::value == false )); \
  64     BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const volatile U> >::value == false ));
  65
  66 using boost::shared_ptr;
  67 using boost::weak_ptr;
  68
  69 #define TEST_CV_TRUE( T, U ) \
  70     TEST_CV_TRUE_( shared_ptr, T, shared_ptr, U ) \
  71     TEST_CV_TRUE_( shared_ptr, T, weak_ptr, U ) \
  72     TEST_CV_TRUE_( weak_ptr, T, weak_ptr, U )
  73
  74 #define TEST_CV_FALSE( T, U ) \
  75     TEST_CV_FALSE_( shared_ptr, T, shared_ptr, U ) \
  76     TEST_CV_FALSE_( shared_ptr, T, weak_ptr, U ) \
  77     TEST_CV_FALSE_( weak_ptr, T, weak_ptr, U )
  78
  79 int main()
  80 {
  81 #if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
  82
  83     TEST_CV_TRUE( X, X )
  84     TEST_CV_TRUE( X, void )
  85     TEST_CV_FALSE( void, X )
  86     TEST_CV_TRUE( D, B )
  87     TEST_CV_FALSE( B, D )
  88
  89     TEST_CV_TRUE( X[], X[] )
  90     TEST_CV_FALSE( D[], B[] )
  91
  92     TEST_CV_TRUE( X[3], X[3] )
  93     TEST_CV_FALSE( X[3], X[4] )
  94     TEST_CV_FALSE( D[3], B[3] )
  95
  96     TEST_CV_TRUE( X[3], X[] )
  97     TEST_CV_FALSE( X[], X[3] )
  98
  99     TEST_CV_TRUE( X[], void )
 100     TEST_CV_FALSE( void, X[] )
 101
 102     TEST_CV_TRUE( X[3], void )
 103     TEST_CV_FALSE( void, X[3] )
 104
 105 #endif
 106
 107     return boost::report_errors();
 108 }