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libcxx/test/std/input.output
Eric Fiselier a0866c5fb5 Implement <filesystem>
This patch implements the <filesystem> header and uses that
to provide <experimental/filesystem>.

Unlike other standard headers, the symbols needed for <filesystem>
have not yet been placed in libc++.so. Instead they live in the
new libc++fs.a library. Users of filesystem are required to link this
library. (Also note that libc++experimental no longer contains the
definition of <experimental/filesystem>, which now requires linking libc++fs).

The reason for keeping <filesystem> out of the dylib for now is that
it's still somewhat experimental, and the possibility of requiring an
ABI breaking change is very real. In the future the symbols will likely
be moved into the dylib, or the dylib will be made to link libc++fs automagically).

Note that moving the symbols out of libc++experimental may break user builds
until they update to -lc++fs. This should be OK, because the experimental
library provides no stability guarantees. However, I plan on looking into
ways we can force libc++experimental to automagically link libc++fs.

In order to use a single implementation and set of tests for <filesystem>, it
has been placed in a special `__fs` namespace. This namespace is inline in
C++17 onward, but not before that. As such implementation is available
in C++11 onward, but no filesystem namespace is present "directly", and
as such name conflicts shouldn't occur in C++11 or C++14.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@338093 91177308-0d34-0410-b5e6-96231b3b80d8
7 years ago
..
file.streams Implement <filesystem> 7 years ago
filesystems Implement <filesystem> 7 years ago
input.output.general Move test into test/std subdirectory. 11 years ago
iostream.format [libcxx] [test] Fix MSVC x64 truncation warning. 8 years ago
iostream.forward [libcxx] [test] D26314: Fix MSVC warning C4189 "local variable is initialized but not referenced". 9 years ago
iostream.objects Move remaining _LIBCPP_VERSION tests into test/libcxx 10 years ago
iostreams.base [libcxx] [test] Remove nonportable that errc::is_a_directory produces "Is a directory" from ios_base::failure tests 8 years ago
iostreams.requirements Move test into test/std subdirectory. 11 years ago
stream.buffers Add a catch for std::length_error for the case where the string can't handle 2GB. (like say 32-bit big-endian) 8 years ago
string.streams libcxx: Fix for basic_stringbuf::seekoff() after r320604. 8 years ago
nothing_to_do.pass.cpp Move test into test/std subdirectory. 11 years ago