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Subject: RE: STDCXX tests fails and reasons [MSVC]
Date: Mon, 2 Jul 2007 18:31:32 +0300
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Thread-Topic: STDCXX tests fails and reasons [MSVC]
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From: "Farid Zaripov" <Farid_Zaripov@epam.com>
To: <stdcxx-dev@incubator.apache.org>
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> -----Original Message-----
> From: Martin Sebor [mailto:msebor@gmail.com] On Behalf Of Martin Sebor
> Sent: Friday, June 29, 2007 8:17 AM
> To: stdcxx-dev@incubator.apache.org
> Subject: Re: STDCXX tests fails and reasons [MSVC]
>=20
> >   Another problem in that test is difference between
> > char_traits<char>::eof() =3D=3D int(-1)
> > and char_traits<wchar_t>::eof() =3D=3D int (65536).
>=20
> char_traits<wchar_t>::eof() should equal WEOF. Is WEOF equal to
> 65536 on Windows?

  Yes. Below is a definition of the WEOF in wctype.h (MSVC 8):

#define WEOF (wint_t)(0xFFFF)

> The test probably assumes that EOF is the=20
> same as WEOF which may not be a safe assumption.

  Exactly right.

> > The basic_stringbuf<>::pbackfail() test
> > (line 637) expected EOF =3D=3D -1 and issues rw_error() diagnostic =
on=20
> > whar_t tests.
>=20
> Is this still 27.stringbuf.virtuals.cpp? I don't see any=20
> rw_error() in there.

  Line 637 is the first line with failed test (EOF expected, WEOF got).

    //    +----------------------------------------- initial sequence
(if any)
    //    |      +---------------------------------- open mode
    //    |      |         +------------------------ gbump (gptr offset)
    //    |      |         |   +-------------------- pbackfail argument
    //    |      |         |   |   +---------------- expected return
value
    //    |      |         |   |   |    +----------- number of putback
positions
    //    |      |         |   |   |    |  +-------- number of read
positions
    //    |      |         |   |   |    |  |  +----- number of write
positions
    //    |      |         |   |   |    |  |  |
    //    V      V         V   V   V    V  V  V
    TEST (0,     0,        0, 'c', EOF, 0, 0, -1);

Farid.