[jira] Created: (STDCXX-878) std::numpunct<>::do_get() extracts too many optional whitespaces leaving none for another fields like cukkency symbol or negative sign

[Farid Zaripov (JIRA)]

std::numpunct<>::do_get() extracts too many optional whitespaces leaving none 
for another fields like cukkency symbol or negative sign
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                 Key: STDCXX-878
                 URL: https://issues.apache.org/jira/browse/STDCXX-878
             Project: C++ Standard Library
          Issue Type: Bug
          Components: 22. Localization
    Affects Versions: 4.2.0, 4.1.4, 4.1.3, 4.1.2
         Environment: All
            Reporter: Farid Zaripov
            Priority: Minor
             Fix For: 4.2.1


The 22.locale.money.get test fails with number of assertions.

The failed two checks:

  Here the currency symbol contains space, but it's already extracted while 
processing none pattern.
{noformat}
    // all spaces extracted since currency symbol (last) is mandatory
    // verify that the facet doesn't extract too many optional spaces
    // leaving none for the final required currency symbol
    TEST (T,  103.0, "103 ", 4, showbase, eofbit, 0, "[EMAIL PROTECTED]", " ");
{noformat}

  Here the negative sign contains trailing space, but it's already extracted 
while processing none pattern.
{noformat}
    // { sign, value, none, symbol }
    // negative_sign is "- ", (note the single trailing space)
    // verify that the extraction suceeds, i.e., that the money_base::none
    // specifier that's last in the pattern doesn't confuse the facet into
    // extracting all the optional whitespace, leaving none to complete
    // the negative_sign
    TEST (T, -109.1, "-109  ", 6, 0, eofbit, 0, "[EMAIL PROTECTED]", "");
{noformat}


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