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libcxx/test/std/strings/basic.string/string.iterators/cbegin.pass.cpp

46 lines
905 B
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_iterator cbegin() const;
#include <string>
#include <cassert>
#include "min_allocator.h"
template <class S>
void
test(const S& s)
{
typename S::const_iterator cb = s.cbegin();
if (!s.empty())
{
assert(*cb == s[0]);
}
assert(cb == s.begin());
}
int main()
{
{
typedef std::string S;
test(S());
test(S("123"));
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S());
test(S("123"));
}
#endif
}