libcxx/test/libcxx/experimental/containers/sequences/dynarray/dynarray.overview/front_back.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// dynarray.overview

// reference       front();
// const_reference front() const;
// reference       back();
// const_reference back()  const;

  
#include <__config>

#if _LIBCPP_STD_VER > 11

#include <experimental/dynarray>
#include <cassert>

#include <algorithm>
#include <complex>
#include <string>

using std::experimental::dynarray;

template <class T>
void dyn_test_const ( const dynarray<T> &dyn ) {
    const T *data = dyn.data ();
    assert ( *data == dyn.front ());
    assert ( *(data + dyn.size() - 1 ) == dyn.back ());
    }

template <class T>
void dyn_test ( dynarray<T> &dyn ) {
    T *data = dyn.data ();
    assert ( *data == dyn.front ());
    assert ( *(data + dyn.size() - 1 ) == dyn.back ());
    }


template <class T>
void test ( const T &val ) {
    typedef dynarray<T> dynA;
    
    dynA d1 ( 4 );
    dyn_test ( d1 );
    dyn_test_const ( d1 );
    
    dynA d2 ( 7, val );
    dyn_test ( d2 );
    dyn_test_const ( d2 );
    }

int main()
{
    test<int> ( 14 );
    test<double> ( 14.0 );
    test<std::complex<double>> ( std::complex<double> ( 14, 0 ));
    test<std::string> ( "fourteen" );
}
#else
int main() {}
#endif