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From: Jonathan Wakely <jwakely@redhat.com>
To: "François Dumont" <frs.dumont@gmail.com>
Cc: "libstdc++@gcc.gnu.org" <libstdc++@gcc.gnu.org>,
	gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: Make tests less istreambuf_iterator implementation dependent
Date: Wed, 04 Oct 2017 23:23:00 -0000	[thread overview]
Message-ID: <20171004232332.GC12367@redhat.com> (raw)
In-Reply-To: <b799f5d0-1b39-ad90-30e2-ee050143fe06@gmail.com>

On 04/10/17 18:21 +0200, François Dumont wrote:
>On 03/10/2017 16:20, Jonathan Wakely wrote:
>>Doesn't the modified test PASS anyway, even without changing how _M_c
>>is used?
>
>No it doesn't because the first check for eof capture the 'a' char 
>which is never reseted so after string construction it is still 
>pointing to this char and is not an eof iterator. Without the _M_c 
>assignment the iterator is still "live" and so keeps on reflecting the 
>streambuf state.

Ah yes, I must have not adjusted the test properly when I tried to
check that. Your new test does indeed fail with the old
implementation.

>Attached patch committed with:

Thanks.


  reply	other threads:[~2017-10-04 23:23 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-27 20:16 François Dumont
2017-09-28 12:12 ` Jonathan Wakely
2017-09-28 19:59   ` François Dumont
2017-09-28 21:56     ` Jonathan Wakely
2017-10-02  5:43       ` François Dumont
2017-10-03 14:20         ` Jonathan Wakely
2017-10-04 16:21           ` François Dumont
2017-10-04 23:23             ` Jonathan Wakely [this message]
2017-11-15 20:52             ` [PATCH 1/4] Revert "2017-10-04 Petr Ovtchenkov <ptr@void-ptr.info>" Petr Ovtchenkov
2017-11-15 20:52               ` [PATCH 2/4] libstdc++: istreambuf_iterator keep attached streambuf Petr Ovtchenkov
2017-11-15 20:52                 ` [PATCH 3/4] libstdc++: avoid character accumulation in istreambuf_iterator Petr Ovtchenkov
2017-11-15 20:52                   ` [PATCH 4/4] libstdc++: immutable _M_sbuf " Petr Ovtchenkov
2017-11-15 21:31                   ` [PATCH 3/4] libstdc++: avoid character accumulation " Paolo Carlini
2017-11-16  5:32                     ` Petr Ovtchenkov
2017-11-16  9:39                       ` Paolo Carlini
2017-11-16 11:03                         ` Petr Ovtchenkov
2017-11-16 11:29                           ` Paolo Carlini
2017-11-16 11:41                             ` Petr Ovtchenkov
2017-11-16 11:51                               ` Paolo Carlini
2017-11-16 10:56               ` [PATCH 1/4] Revert "2017-10-04 Petr Ovtchenkov <ptr@void-ptr.info>" Jonathan Wakely
2017-11-16 11:35                 ` Petr Ovtchenkov
2017-11-16 11:39                   ` Jonathan Wakely
2017-11-16 11:40                     ` Jonathan Wakely
2017-11-16 11:57                     ` Petr Ovtchenkov
  -- strict thread matches above, loose matches on Subject: below --
2017-10-13 17:14 Make istreambuf_iterator::_M_sbuf immutable and add debug checks François Dumont
2017-10-23 19:08 ` François Dumont
2017-11-06 21:19   ` François Dumont
2017-11-16  5:52     ` Petr Ovtchenkov
2017-11-16 10:57       ` Jonathan Wakely
2017-11-16 11:46         ` Jonathan Wakely
2017-11-16 12:08           ` Petr Ovtchenkov
2017-11-16 17:40           ` François Dumont
2017-11-16 18:12             ` Petr Ovtchenkov
2017-11-16 21:31               ` François Dumont
2017-09-23  7:10 [PATCH] libstdc++: istreambuf_iterator keep attached streambuf Petr Ovtchenkov
2017-09-25 13:46 ` Jonathan Wakely
2017-09-28 10:34 ` Jonathan Wakely
2017-09-28 12:06   ` Petr Ovtchenkov
2017-09-28 12:38     ` Jonathan Wakely
2017-10-03 20:39       ` Petr Ovtchenkov
2017-10-04  5:04         ` [PATCH v2] " Petr Ovtchenkov
2017-10-06 16:01         ` [PATCH] libstdc++: istreambuf_iterator proxy (was: keep attached streambuf) François Dumont
2017-10-06 18:00           ` Petr Ovtchenkov
2017-10-08 14:59             ` [PATCH] libstdc++: istreambuf_iterator proxy François Dumont
2017-10-09 19:32               ` Petr Ovtchenkov
2017-10-10  5:52               ` Petr Ovtchenkov
2017-10-10 14:21           ` [PATCH] libstdc++: istreambuf_iterator proxy (was: keep attached streambuf) Jonathan Wakely
2017-08-24 11:27 [PATCH] streambuf_iterator: avoid debug-dependent behaviour Petr Ovtchenkov
2017-08-29 20:02 ` François Dumont
2017-08-30  5:05   ` Petr Ovtchenkov
2017-08-31 20:30     ` François Dumont
2017-09-01  9:10 ` Jonathan Wakely
2017-09-07 21:02   ` François Dumont
2017-09-08  5:47     ` Petr Ovtchenkov
2017-09-08  6:15       ` François Dumont
2017-09-09 20:17       ` François Dumont
2017-09-21  5:46         ` François Dumont
2017-09-28 10:50           ` Jonathan Wakely
2017-09-28 10:58             ` Jonathan Wakely
2017-09-21 18:23   ` Petr Ovtchenkov
2017-09-25  9:34     ` Petr Ovtchenkov

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