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libcxx/test/std/strings/basic.string/string.ops/string.accessors/c_str.pass.cpp

53 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <string>
// const charT* c_str() const;
#include <string>
#include <cassert>
#include "min_allocator.h"
template <class S>
void
test(const S& s)
{
typedef typename S::traits_type T;
const typename S::value_type* str = s.c_str();
if (s.size() > 0)
{
assert(T::compare(str, &s[0], s.size()) == 0);
assert(T::eq(str[s.size()], typename S::value_type()));
}
else
assert(T::eq(str[0], typename S::value_type()));
}
int main()
{
{
typedef std::string S;
test(S(""));
test(S("abcde"));
test(S("abcdefghij"));
test(S("abcdefghijklmnopqrst"));
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S(""));
test(S("abcde"));
test(S("abcdefghij"));
test(S("abcdefghijklmnopqrst"));
}
#endif
}