diff options
Diffstat (limited to 'libcxx/test/std/strings/basic.string/string.iterators/rend.pass.cpp')
-rw-r--r-- | libcxx/test/std/strings/basic.string/string.iterators/rend.pass.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libcxx/test/std/strings/basic.string/string.iterators/rend.pass.cpp b/libcxx/test/std/strings/basic.string/string.iterators/rend.pass.cpp new file mode 100644 index 00000000000..750173dc342 --- /dev/null +++ b/libcxx/test/std/strings/basic.string/string.iterators/rend.pass.cpp @@ -0,0 +1,50 @@ +//===----------------------------------------------------------------------===// +// +// 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> + +// reverse_iterator rend(); +// const_reverse_iterator rend() const; + +#include <string> +#include <cassert> + +#include "min_allocator.h" + +template <class S> +void +test(S s) +{ + const S& cs = s; + typename S::reverse_iterator e = s.rend(); + typename S::const_reverse_iterator ce = cs.rend(); + if (s.empty()) + { + assert(e == s.rbegin()); + assert(ce == cs.rbegin()); + } + assert(e - s.rbegin() == s.size()); + assert(ce - cs.rbegin() == cs.size()); +} + +int main() +{ + { + typedef std::string S; + test(S()); + test(S("123")); + } +#if __cplusplus >= 201103L + { + typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; + test(S()); + test(S("123")); + } +#endif +} |