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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Updated: (STDCXX-767) [LWG #836] LVS _222612Y41 errors on std::money_get extracting space
Date Tue, 20 May 2008 18:51:56 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Sebor updated STDCXX-767:
--------------------------------

    Affects Version/s: 4.2.1
        Fix Version/s: 4.3
              Summary: [LWG #836] LVS _222612Y41 errors on std::money_get extracting space
 (was: [LVS _222612Y41] errors on std::money_get extracting space)

Scheduled for 4.3 assuming there's support for the resolution proposed in issue 836 (if so,
we'll be able to close the issue then).

> [LWG #836] LVS _222612Y41 errors on std::money_get extracting space
> -------------------------------------------------------------------
>
>                 Key: STDCXX-767
>                 URL: https://issues.apache.org/jira/browse/STDCXX-767
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4, 4.2.0, 4.2.1
>            Reporter: Martin Sebor
>            Priority: Minor
>             Fix For: 4.3
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> The Plum Hall test lvs07a/conform/t228.dir/_222612Y41.cpp that exercises the {{std::money_get}}
facet fails at runtime with the following errors:
> {noformat}
> $ ./_222612Y41
> ***** Reached first test *****
> ERROR in _222612Y41.cpp at line 85: "" != "-12345678901234"
> ERROR in _222612Y41.cpp at line 88: (49) != (121)
> #FAILED:  _222612Y41 (><)
> ***** 4 individual successful items in _222612Y41 *****
> ***** 0 successful test cases in _222612Y41 *****
> ***** 1 error detected in _222612Y41 *****
> ***** 0 skipped sections in _222612Y41 *****
> {noformat}
> The expects whitespace to be optional where the {{money_base::space}} specifier appears
in the pattern format.
> According to [locale.money.get.virtuals] para. 2:
> {quote}
>   Where space or none appears in the format pattern, except at the end,
>   optional white space (as recognized by ct.is) is consumed after any
>   required space.
> {quote}
> We interpret this to mean that:
> * where money_base::space appears in the format at least one space is required, and
> * where money_base::none appears space is allowed but not required
> but other interpretations may be plausible. Clearly Plum Hall must read it differently.
Seems like an issue in the standard. I've posted a question to [mailto:c++std-lib@accu.org]
to get a clarification.

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