forked from boostorg/type_traits
Initial version of the code and tests
[SVN r33707]
This commit is contained in:
Alexander Nasonov
Executable
+111
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// Copyright 2005 Alexander Nasonov.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <climits>
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#if !defined(BOOST_NO_CWCHAR)
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#include <cwchar>
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#endif
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#include "promote_util.hpp"
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struct Struct {};
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int main()
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{
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// char types
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#if CHAR_MAX <= INT_MAX
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test_cv< char, int >();
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#else
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// TODO: dead branch?
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test_cv< char, unsigned int >();
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#endif
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test_cv< signed char, int >();
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#if UCHAR_MAX <= INT_MAX
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test_cv< unsigned char, int >();
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#else
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test_cv< unsigned char, unsigned int >();
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#endif
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// short types
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test_cv< short int, int >();
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#if USHRT_MAX <= INT_MAX
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test_cv< unsigned short, int >();
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#else
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test_cv< unsigned short, unsigned int >();
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#endif
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// int and long
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test_cv< int, int >();
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test_cv< unsigned int, unsigned int >();
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test_cv< long, long >();
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test_cv< unsigned long, unsigned long >();
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#if defined(BOOST_NO_CWCHAR) || !defined(WCHAR_MAX) || !defined(WCHAR_MIN)
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// Skip wchar_t promotion
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#elif WCHAR_MAX <= INT_MAX
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test_cv< wchar_t, int >();
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#elif WCHAR_MIN == 0 && WCHAR_MAX <= UINT_MAX
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test_cv< wchar_t, unsigned int >();
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#elif WCHAR_MAX <= LONG_MAX
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test_cv< wchar_t, long >();
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#else
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test_cv< wchar_t, unsigned long >();
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#endif
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// floating point promotion
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test_cv< float , double >();
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test_cv< double, double >();
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// Other types
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test_cv< Struct, Struct >();
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test_cv< void , void >();
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test_cv< void* , void* >();
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// Array types
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typedef int arr[3];
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typedef int (&arr_ref)[3];
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typedef int (*arr_ptr)[3];
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test_cv< arr , arr >();
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test_cv< arr_ptr, arr_ptr >();
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test_no_cv<arr_ref,arr_ref>();
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// Function types
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typedef int (fun)();
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typedef int (&fun_ref)();
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typedef int (*fun_ptr)();
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test_no_cv< fun , fun >();
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test_no_cv< fun_ref, fun_ref >();
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test_no_cv< fun_ptr, fun_ptr >();
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// Member pointer types
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typedef int (Struct::*mem_fun_ptr)();
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typedef int Struct::*mem_ptr;
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test_no_cv< mem_ptr, mem_ptr >();
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test_no_cv< mem_fun_ptr, mem_fun_ptr >();
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return 0;
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}
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Executable
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// Copyright 2005-2006 Alexander Nasonov.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Status of some compilers:
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//
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// Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 13.10.3077 for 80x86
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// /Za (disable extentions) is totally broken.
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// /Ze (enable extentions) promotes UIntEnum incorrectly to int.
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// See http://lab.msdn.microsoft.com/ProductFeedback/viewfeedback.aspx?feedbackid=22b0a6b7-120f-4ca0-9136-fa1b25b26efe
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//
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// Intel 9.0.028 for Windows has a similar problem:
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// https://premier.intel.com/IssueDetail.aspx?IssueID=365073
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//
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// gcc 3.4.4 with -fshort-enums option on x86
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// Dummy value is required, otherwise gcc promotes Enum1
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// to unsigned int although USHRT_MAX <= INT_MAX.
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// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24063
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//
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// CC: Sun WorkShop 6 update 2 C++ 5.3 Patch 111685-20 2004/03/19
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// on SPARC V9 64-bit processor (-xarch=v9 flag)
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// Dummy values are required for LongEnum3 and LongEnum4.
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//
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// CC: Sun C++ 5.7 Patch 117830-03 2005/07/21
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// ICE in boost/type_traits/is_enum.hpp at line 67.
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#include <climits>
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#include "promote_util.hpp"
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enum IntEnum1 { IntEnum1_min = -5 , IntEnum1_max = 5 };
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enum IntEnum2 { IntEnum2_min = SHRT_MIN, IntEnum2_max = SHRT_MAX };
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enum IntEnum3 { IntEnum3_min = INT_MIN , IntEnum3_max = INT_MAX };
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enum IntEnum4 { IntEnum4_value = INT_MAX };
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enum IntEnum5 { IntEnum5_value = INT_MIN };
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void test_promote_to_int()
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{
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test_cv<IntEnum1,int>();
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test_cv<IntEnum2,int>();
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test_cv<IntEnum3,int>();
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test_cv<IntEnum4,int>();
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test_cv<IntEnum5,int>();
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}
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#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ == 4 && USHRT_MAX <= INT_MAX)
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enum Enum1 { Enum1_value = USHRT_MAX };
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#else
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// workaround for bug #24063 in gcc 3.4
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// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24063
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namespace gcc_short_enums_workaround {
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enum short_enum { value = 1 };
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template<bool ShortEnumsIsOn>
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struct select
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{
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// Adding negative dummy value doesn't change
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// promoted type because USHRT_MAX <= INT_MAX.
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enum type { dummy = -1, value = USHRT_MAX };
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};
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template<>
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struct select<false>
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{
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// No dummy value
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enum type { value = USHRT_MAX };
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};
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} // namespace gcc_short_enums_workaround
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typedef gcc_short_enums_workaround::select<
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sizeof(gcc_short_enums_workaround::short_enum) != sizeof(int)
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>::type Enum1;
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#endif
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void test_promote_to_int_or_uint()
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{
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#if USHRT_MAX <= INT_MAX
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test_cv<Enum1, int>();
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#else
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test_cv<Enum1, unsigned int>();
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#endif
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}
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#if (defined(BOOST_MSVC) && BOOST_MSVC <= 1400 ) || \
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(defined(BOOST_INTEL_WIN) && BOOST_INTEL_WIN <= 900)
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// Don't test UIntEnum on VC++ 8.0 and Intel for Windows 9.0,
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// they are broken. More info is on top of this file.
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#else
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enum UIntEnum { UIntEnum_max = UINT_MAX };
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void test_promote_to_uint()
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{
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test_cv< UIntEnum, unsigned int >();
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}
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#endif
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// Enums can't be promoted to [unsigned] long if sizeof(int) == sizeof(long).
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#if INT_MAX < LONG_MAX
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enum LongEnum1 { LongEnum1_min = -1 , LongEnum1_max = UINT_MAX };
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enum LongEnum2 { LongEnum2_min = LONG_MIN, LongEnum2_max = LONG_MAX };
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enum LongEnum3
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{
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LongEnum3_value = LONG_MAX
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#if defined(__SUNPRO_CC) && __SUNPRO_CC <= 0x530
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, LongEnum3_dummy = -1
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#endif
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};
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enum LongEnum4
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{
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LongEnum4_value = LONG_MIN
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#if defined(__SUNPRO_CC) && __SUNPRO_CC <= 0x530
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, LongEnum4_dummy = 1
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#endif
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};
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void test_promote_to_long()
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{
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test_cv< LongEnum1, long >();
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test_cv< LongEnum2, long >();
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test_cv< LongEnum3, long >();
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test_cv< LongEnum4, long >();
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}
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enum ULongEnum { ULongEnum_value = ULONG_MAX };
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void test_promote_to_ulong()
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{
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test_cv< ULongEnum, unsigned long >();
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}
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#endif // #if INT_MAX < LONG_MAX
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int main()
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{
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return 0;
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}
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Executable
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// Copyright 2005 Alexander Nasonov.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/mpl/at.hpp>
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#include <boost/mpl/lambda.hpp>
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#include <boost/mpl/placeholders.hpp>
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#include <boost/mpl/transform.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/promote.hpp>
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namespace mpl = boost::mpl;
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int main()
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{
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using namespace mpl::placeholders;
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typedef mpl::vector< char
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, signed char // 1
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, unsigned char
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, short int const // 3
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, unsigned short int
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, int volatile // 5
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, unsigned int // 6
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, long // 7
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, unsigned long // 8
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, float const // 9
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> types;
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typedef mpl::transform< types
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, mpl::lambda< boost::promote<_> >::type
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>::type promoted;
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,1>::type, int >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,3>::type, int const >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,5>::type, int volatile >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,6>::type, unsigned int >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,7>::type, long >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,8>::type, unsigned long >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< mpl::at_c<promoted,9>::type, double const >::value ));
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return 0;
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}
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Executable
+37
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// Copyright 2005 Alexander Nasonov.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef FILE_boost_libs_type_traits_test_promote_util_hpp_INCLUDED
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#define FILE_boost_libs_type_traits_test_promote_util_hpp_INCLUDED
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#include <boost/type_traits/promote.hpp>
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#include <boost/config.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/type_traits/is_same.hpp>
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template<class T, class Promoted>
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inline void test_no_cv()
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{
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typedef BOOST_DEDUCED_TYPENAME boost::promote<T>::type promoted;
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BOOST_STATIC_ASSERT(( boost::is_same<promoted,Promoted>::value ));
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}
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template<class T, class Promoted>
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inline void test_cv()
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{
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typedef BOOST_DEDUCED_TYPENAME ::boost::promote<T >::type promoted;
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typedef BOOST_DEDUCED_TYPENAME ::boost::promote<T const >::type promoted_c;
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typedef BOOST_DEDUCED_TYPENAME ::boost::promote<T volatile>::type promoted_v;
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typedef BOOST_DEDUCED_TYPENAME ::boost::promote<T const volatile>::type promoted_cv;
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BOOST_STATIC_ASSERT(( ::boost::is_same< promoted , Promoted >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< promoted_c , Promoted const >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< promoted_v , Promoted volatile >::value ));
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BOOST_STATIC_ASSERT(( ::boost::is_same< promoted_cv, Promoted const volatile >::value ));
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}
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#endif // #ifndef FILE_boost_libs_type_traits_test_promote_util_hpp_INCLUDED
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