rlib/test/test_clibffi.py::TestCLibffi::()::test_ret_struct_val

self = <rpython.rlib.test.test_clibffi.TestCLibffi object at 0x0000023bb932c0c8>

    def test_ret_struct_val(self):
        from rpython.translator.tool.cbuild import ExternalCompilationInfo
        from rpython.translator.platform import platform
        from rpython.tool.udir import udir
    
        c_file = udir.ensure("test_libffi", dir=1).join("xlib.c")
        c_file.write(py.code.Source('''
            #include "src/precommondefs.h"
            #include <stdlib.h>
            #include <stdio.h>
    
            struct s2h {
                short x;
                short y;
            };
    
            RPY_EXPORTED
            struct s2h give(short x, short y) {
                struct s2h out;
                out.x = x;
                out.y = y;
                return out;
            }
    
            RPY_EXPORTED
            struct s2h perturb(struct s2h inp) {
                inp.x *= 2;
                inp.y *= 3;
                return inp;
            }
    
            '''))
        eci = ExternalCompilationInfo(include_dirs=[cdir])
        lib_name = str(platform.compile([c_file], eci, 'x2', standalone=False))
    
>       lib = CDLL(lib_name)

rlib\test\test_clibffi.py:333: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
rlib\clibffi.py:702: in __init__
    self.lib = dlopen(libname, mode)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

name = 'd:\\systemtemp\\pytest\\usession-main-805\\test_libffi\\x2.dll'
mode = -1

    def dlopen(name, mode=-1):
        # mode is unused on windows, but a consistant signature
        if not name:
            raise DLOpenError("cannot use None")
        with rffi.scoped_utf82wcharp(name, codepoints_in_utf8(name)) as buf:
            res = rwin32.LoadLibraryW(buf)
        if not res:
            err = rwin32.GetLastError_saved()
            ustr, lgt = rwin32.FormatErrorW(err)
>           raise DLOpenError(ustr)
E           DLOpenError: 'Teseiidmdl ol o efud\xf2\xa0\x80\x8d\x00\xee\x95\x9c\xe1\x98\x80\x01\x00\xe7\xa8\x90\xc8\xbb\xeb\x94\x80\xe7\xbf\xba \t\x01\x00\x00\x00\xeb\x94\x80\xe7\xbf\xba\xe7\xa8\x90\xc8\xbb'

rlib\rdynload.py:242: DLOpenError

builder: rpython-win-x86-64 build #399

test: rlib/test/test_clibffi/py/TestCLibffi/()/test_ret_struct_val