[cfe-dev] Libc++ Windows Semi-analyzed test results

[Howard Hinnant]

On Sep 28, 2011, at 10:56 AM, Ruben Van Boxem wrote:

> Hi,
> 
> Attached is a file describing in detail what libc++ tests failed in my test run and why (if it could be easily deduced from comparing Clang/GCC output or from the helpful Clang error messages). I used a slightly modified testit, so that GCC (which doesn't use default a.out on Windows) could also run the tests. That patch could use some work, I'll keep it local for now.
> 
> The good news: a lot of these have trivial fixes, and the fault lies in the tests themselves (size of wchar_t, locale names, different number output format...).
> The bad news: Making this document sucked, and I'm never doing it again.

Thanks for your work on this.

> 
> If in any way possible, thid could have a place in the libc++ source tree. It would make finding outstanding test failures and their reasons easy. Perhaps other platforms could then also keep track of failures. If not, I'll create a general bug report for libc++ and attach this document. I of course plan to keep this updated once fixes are applied.

There's a link off this page:

http://libcxx.llvm.org/

to:

http://libcxx.llvm.org/results.Windows.html

> 
> A small summarizing note:
>  - thread needs attention, probably most failures are due to winpthreads.
>  - io (actually most kinds of streams) needs attention, failures pops up everywhere. 
>  - lots of regex failures. Not good.
>  - numerics has trouble with math functions. Perhaps a format issue.
>  - stdint.h and uchar.h issues are being dealt with.
> 
> Re the last point: How does Clang handle __cplusplus and C++11?

#include <iostream>

int main()
{
    std::cout << __cplusplus << '\n';
}

Without -std=c++0x:

1

With -std=c++0x:

201103

Howard

> 
> I'll be using this as a basis to further fix Windows issues, but I'll have less time from now on. It is a nice baseline status of libc++ on Windows. Help is always appreciated ;-)
> 
> Ruben
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