20.meta.trans.arr.cpp

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// -*- C++ -*-
 
#include <rw_driver.h>
#include <rw/_defs.h>
 
// compile out all test code if extensions disabled
#ifndef _RWSTD_NO_EXT_CXX_0X
 
#include <type_traits>
 
 
void test_trait (int line, const char* trait,
                 const char* typeT, const char* typeU,
                 bool success)
{
    rw_assert (success, 0, line,
               "%s<%s>::type is %{?}exactly%{:}not%{;} %s",
               trait, typeT, success, typeU);
}
 
#define TEST(Trait,TypeT,TypeU)                                      \
    test_trait(__LINE__, #Trait, #TypeT, #TypeU,                     \
               std::is_same<Trait<TypeT>::type, TypeU>::value)
 
 
static void test_remove_extent ()
{
    TEST (std::remove_extent, int, int);
    TEST (std::remove_extent, int[], int);
    TEST (std::remove_extent, int[5], int);
    TEST (std::remove_extent, int[][5], int[5]);
    TEST (std::remove_extent, int[5][5], int[5]);
 
    TEST (std::remove_extent, void, void);
    TEST (std::remove_extent, void*, void*);
 
    TEST (std::remove_extent, long (*)[1], long (*)[1]);
 
    TEST (std::remove_extent, long    (), long    ());
    TEST (std::remove_extent, long (*)(), long (*)());
    TEST (std::remove_extent, long (&)(), long (&)());
}
 
static void test_remove_all_extents ()
{
    TEST (std::remove_all_extents, int, int);
    TEST (std::remove_all_extents, int[], int);
    TEST (std::remove_all_extents, int[5], int);
    TEST (std::remove_all_extents, int[][5], int);
    TEST (std::remove_all_extents, int[5][5], int);
 
    TEST (std::remove_all_extents, void, void);
    TEST (std::remove_all_extents, void*, void*);
 
    TEST (std::remove_all_extents, long (*)[1], long (*)[1]);
 
    TEST (std::remove_all_extents, long    (), long    ());
    TEST (std::remove_all_extents, long (*)(), long (*)());
    TEST (std::remove_all_extents, long (&)(), long (&)());
}
 
 
static int run_test (int, char*[])
{
    test_remove_extent ();
    test_remove_all_extents ();
 
    return 0;
}
 
 
#else // _RWSTD_NO_EXT_CXX_0X
 
 
static int run_test (int, char*[])
{
    rw_warn (0, 0, __LINE__,
             "test disabled because _RWSTD_NO_EXT_CXX_0X is defined");
    return 0;
}
 
#endif // !_RWSTD_NO_EXT_CXX_0X
 
 
int main (int argc, char *argv[])
{
    return rw_test (argc, argv, __FILE__,
                    "meta.trans.arr",
                    0 /* no comment */,
                    run_test,
                    0);
}