Exemplos de basic_string_view::data em C++ (Cpp)

Exemplo n.º 1

Arquivo: string_view.pass.cpp Projeto: ingowald/llvm-project

void
test(std::basic_string_view<charT> sv, const A& a)
{
    typedef std::basic_string<charT, std::char_traits<charT>, A> S;
    typedef typename S::traits_type T;
  {
    S s2(sv, a);
    LIBCPP_ASSERT(s2.__invariants());
    assert(s2.size() == sv.size());
    assert(T::compare(s2.data(), sv.data(), sv.size()) == 0);
    assert(s2.get_allocator() == a);
    assert(s2.capacity() >= s2.size());
  }
  {
    S s2(a);
    s2 = sv;
    LIBCPP_ASSERT(s2.__invariants());
    assert(s2.size() == sv.size());
    assert(T::compare(s2.data(), sv.data(), sv.size()) == 0);
    assert(s2.get_allocator() == a);
    assert(s2.capacity() >= s2.size());
  }
}

Exemplo n.º 2

Arquivo: data.pass.cpp Projeto: Aj0Ay/libcxx

int main () {
    test ( "ABCDE", 5 );
    test ( "a", 1 );

    test ( L"ABCDE", 5 );
    test ( L"a", 1 );

#if TEST_STD_VER >= 11
    test ( u"ABCDE", 5 );
    test ( u"a", 1 );

    test ( U"ABCDE", 5 );
    test ( U"a", 1 );
#endif

#if _LIBCPP_STD_VER > 11
    {
    constexpr const char *s = "ABC";
    constexpr std::basic_string_view<char> sv( s, 2 );
    static_assert( sv.length() ==  2,  "" );
    static_assert( sv.data() == s, "" );
    }
#endif
}