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Jose Caban
2025-06-07 11:34:38 -04:00
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extern/stdcxx/4.2.1/tests/localization/22.locale.money.put.mt.cpp vendored Normal file
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/************************************************************************
*
* 22.locale.money.put.mt.cpp
*
* test exercising the thread safety of the money_put facet
*
* $Id: 22.locale.money.put.mt.cpp 648752 2008-04-16 17:01:56Z faridz $
*
***************************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
**************************************************************************/
#include <ios> // for ios
#include <iterator> // for ostreambuf_iterator
#include <locale> // for locale, money_put
#include <cstring> // for strlen()
#include <rw_locale.h>
#include <rw_thread.h>
#include <driver.h>
#include <valcmp.h> // for rw_strncmp ()
// maximum number of threads allowed by the command line interface
#define MAX_THREADS 32
#define MAX_LOOPS 100000
// default number of threads (will be adjusted to the number
// of processors/cores later)
int opt_nthreads = 1;
// the number of times each thread should iterate (unless specified
// otherwise on the command line)
int opt_nloops = 100000;
#if !defined (_RWSTD_OS_HP_UX) || defined (_ILP32)
// number of locales to use
int opt_nlocales = MAX_THREADS;
#else // HP-UX in LP64 mode
// work around a small locale cache on HP-UX in LP64 mode
// (see STDCXX-812)
int opt_nlocales = 9;
#endif // HP-UX 32/64 bit mode
// should all threads share the same set of locale objects instead
// of creating their own?
int opt_shared_locale;
/**************************************************************************/
// array of locale names to use for testing
static const char*
locales [MAX_THREADS];
// number of locale names in the array
static std::size_t
nlocales;
/**************************************************************************/
static const char n_money_vals[][20] = {
"1", "12", "123", "1234", "12345", "123456", "1234567", "12345678",
"-9", "-98", "-987", "-9876", "-98765", "-987654", "-9876543",
"1.9", "-12.89", "123.789", "-1234.6789", "-12345.56789"
};
#ifndef _RWSTD_NO_WCHAR_T
static const wchar_t w_money_vals[][20] = {
L"1", L"12", L"123", L"1234", L"12345", L"123456", L"1234567",
L"-9", L"-98", L"-987", L"-9876", L"-98765", L"-987654", L"-9876543",
L"1.9", L"-12.89", L"123.789", L"-1234.6789", L"-12345.56789"
};
#endif // _RWSTD_NO_WCHAR_T
//
struct MyMoneyData
{
enum { BufferSize = 16 };
enum PutId {
put_ldbl,
put_string,
put_max
};
// name of the locale the data corresponds to
const char* locale_name_;
// optionally set to the named locale for threads to share
std::locale locale_;
// international or domestic format flag
bool intl_;
// the time struct used to generate strings below
double money_value_;
// type of the data we created string from
PutId type_;
// index into string array [n,w]_money_vals
unsigned money_index_;
// narrow representations of money_
char ncs_ [BufferSize];
#ifndef _RWSTD_NO_WCHAR_T
// wide representations of money_
wchar_t wcs_ [BufferSize];
#endif // _RWSTD_NO_WCHAR_T
} my_money_data [MAX_THREADS];
template <class charT, class Traits>
struct MyIos: std::basic_ios<charT, Traits>
{
MyIos () {
this->init (0);
}
};
template <class charT, class Traits>
struct MyStreambuf: std::basic_streambuf<charT, Traits>
{
typedef std::basic_streambuf<charT, Traits> Base;
MyStreambuf ()
: Base () {
}
void pubsetp (charT *pbeg, std::streamsize n) {
this->setp (pbeg, pbeg + n);
}
};
extern "C" {
bool test_char; // exercise money_put<char>
bool test_wchar; // exercise money_put<wchar_t>
static void*
thread_func (void*)
{
char ncs [MyMoneyData::BufferSize];
MyIos<char, std::char_traits<char> > nio;
MyStreambuf<char, std::char_traits<char> > nsb;
nio.rdbuf (&nsb);
#ifndef _RWSTD_NO_WCHAR_T
wchar_t wcs [MyMoneyData::BufferSize];
MyIos<wchar_t, std::char_traits<wchar_t> > wio;
MyStreambuf<wchar_t, std::char_traits<wchar_t> > wsb;
wio.rdbuf (&wsb);
#endif // _RWSTD_NO_WCHAR_T
for (int i = 0; i != opt_nloops; ++i) {
// save the name of the locale
const MyMoneyData& data = my_money_data [i % nlocales];
// construct a named locale, get a reference to the money_put
// facet from it and use it to format a random money value
const std::locale loc =
opt_shared_locale ? data.locale_
: std::locale (data.locale_name_);
if (test_char) {
// exercise the narrow char specialization of the facet
const std::money_put<char> &np =
std::use_facet<std::money_put<char> >(loc);
nio.imbue (loc);
nsb.pubsetp (ncs, RW_COUNT_OF (ncs));
switch (data.type_) {
case MyMoneyData::put_ldbl:
*np.put (std::ostreambuf_iterator<char>(&nsb),
data.intl_, nio, ' ', data.money_value_) = '\0';
break;
case MyMoneyData::put_string:
*np.put (std::ostreambuf_iterator<char>(&nsb),
data.intl_, nio, ' ',
n_money_vals [data.money_index_]) = '\0';
break;
case MyMoneyData::put_max:
// avoid enumeration value `put_max' not handled in switch
// this case should never happen
break;
}
RW_ASSERT (!nio.fail ());
RW_ASSERT (!rw_strncmp (ncs, data.ncs_));
}
// both specializations may be tested at the same time
if (test_wchar) {
// exercise the wide char specialization of the facet
#ifndef _RWSTD_NO_WCHAR_T
const std::money_put<wchar_t> &wp =
std::use_facet<std::money_put<wchar_t> >(loc);
wio.imbue (loc);
wsb.pubsetp (wcs, RW_COUNT_OF (wcs));
switch (data.type_) {
case MyMoneyData::put_ldbl:
*wp.put (std::ostreambuf_iterator<wchar_t>(&wsb),
data.intl_, wio, ' ', data.money_value_) = L'\0';
break;
case MyMoneyData::put_string:
*wp.put (std::ostreambuf_iterator<wchar_t>(&wsb),
data.intl_, wio, ' ',
w_money_vals [data.money_index_]) = L'\0';
break;
case MyMoneyData::put_max:
// avoid enumeration value `put_max' not handled in switch
// this case should never happen
break;
}
RW_ASSERT (!wio.fail ());
RW_ASSERT (!rw_strncmp (wcs, data.wcs_));
#endif // _RWSTD_NO_WCHAR_T
}
}
return 0;
}
} // extern "C"
/**************************************************************************/
static int
run_test (int, char**)
{
MyIos<char, std::char_traits<char> > nio;
MyStreambuf<char, std::char_traits<char> > nsb;
nio.rdbuf (&nsb);
#ifndef _RWSTD_NO_WCHAR_T
MyIos<wchar_t, std::char_traits<wchar_t> > wio;
MyStreambuf<wchar_t, std::char_traits<wchar_t> > wsb;
wio.rdbuf (&wsb);
#endif // _RWSTD_NO_WCHAR_T
// find all installed locales for which setlocale (LC_ALL) succeeds
const char* const locale_list =
rw_opt_locales ? rw_opt_locales : rw_locales (_RWSTD_LC_ALL);
const std::size_t maxinx = RW_COUNT_OF (locales);
for (const char* name = locale_list;
*name;
name += std::strlen (name) + 1) {
const std::size_t inx = nlocales;
locales [inx] = name;
// fill in the money and results for this locale
MyMoneyData& data = my_money_data [inx];
data.locale_name_ = name;
try {
const std::locale loc (data.locale_name_);
// initialize with random but valid values
data.money_value_ = inx;
data.type_ = MyMoneyData::PutId (nlocales % MyMoneyData::put_max);
data.money_index_ = inx % RW_COUNT_OF (n_money_vals);
// exercise domestic formats every other iteration
// and international formats the rest
data.intl_ = 0 == (inx & 1);
// exercise postive and negative values
if (inx & 1)
data.money_value_ *= -1.;
// add some random fractional digits
if (inx & 2)
data.money_value_ += data.money_value_ / 3.14;
const std::money_put<char> &np =
std::use_facet<std::money_put<char> >(loc);
nio.imbue (loc);
nsb.pubsetp (data.ncs_, RW_COUNT_OF (data.ncs_));
switch (data.type_) {
case MyMoneyData::put_ldbl:
*np.put (std::ostreambuf_iterator<char>(&nsb),
data.intl_, nio, ' ', data.money_value_) = '\0';
break;
case MyMoneyData::put_string:
*np.put (std::ostreambuf_iterator<char>(&nsb),
data.intl_, nio, ' ',
n_money_vals [data.money_index_]) = '\0';
break;
case MyMoneyData::put_max:
// avoid enumeration value `put_max' not handled in switch
// this case should never happen
break;
}
rw_assert (!nio.fail (), __FILE__, __LINE__,
"money_put<char>::put(...) "
"failed for locale(%#s)",
data.locale_name_);
#ifndef _RWSTD_NO_WCHAR_T
const std::money_put<wchar_t> &wp =
std::use_facet<std::money_put<wchar_t> >(loc);
wio.imbue (loc);
wsb.pubsetp (data.wcs_, RW_COUNT_OF (data.wcs_));
switch (data.type_) {
case MyMoneyData::put_ldbl:
*wp.put (std::ostreambuf_iterator<wchar_t>(&wsb),
data.intl_, wio, L' ', data.money_value_) = '\0';
break;
case MyMoneyData::put_string:
*wp.put (std::ostreambuf_iterator<wchar_t>(&wsb),
data.intl_, wio, L' ',
w_money_vals [data.money_index_]) = L'\0';
break;
case MyMoneyData::put_max:
// avoid enumeration value `put_max' not handled in switch
// this case should never happen
break;
}
rw_assert (!nio.fail (), __FILE__, __LINE__,
"money_put<wchar_t>::put(...) "
"failed for locale(%#s)",
data.locale_name_);
#endif // _RWSTD_NO_WCHAR_T
if (opt_shared_locale)
data.locale_ = loc;
nlocales += 1;
}
catch (...) {
rw_warn (!rw_opt_locales, 0, __LINE__,
"failed to create locale(%#s)", name);
}
if (nlocales == maxinx || nlocales == std::size_t (opt_nlocales))
break;
}
// avoid divide by zero in thread if there are no locales to test
rw_fatal (nlocales != 0, 0, __LINE__,
"failed to create one or more usable locales!");
rw_info (0, 0, 0,
"testing std::money_put<charT> with %d thread%{?}s%{;}, "
"%d iteration%{?}s%{;} each, in %zu locales { %{ .*A@} }",
opt_nthreads, 1 != opt_nthreads,
opt_nloops, 1 != opt_nloops,
nlocales, int (nlocales), "%#s", locales);
rw_info (0, 0, 0, "exercising std::money_put<char>");
test_char = true;
test_wchar = false;
// create and start a pool of threads and wait for them to finish
int result =
rw_thread_pool (0, std::size_t (opt_nthreads), 0, thread_func, 0);
rw_error (result == 0, 0, __LINE__,
"rw_thread_pool(0, %d, 0, %{#f}, 0) failed",
opt_nthreads, thread_func);
#ifndef _RWSTD_NO_WCHAR_T
rw_info (0, 0, 0, "exercising std::money_put<wchar_t>");
test_char = false;
test_wchar = true;
// start a pool of threads to exercise wstring thread safety
result =
rw_thread_pool (0, std::size_t (opt_nthreads), 0, thread_func, 0);
rw_error (result == 0, 0, __LINE__,
"rw_thread_pool(0, %d, 0, %{#f}, 0) failed",
opt_nthreads, thread_func);
// exercise both the char and the wchar_t specializations
// at the same time
rw_info (0, 0, 0,
"exercising both std::money_put<char> "
"and std::money_put<wchar_t>");
test_char = true;
test_wchar = true;
// start a pool of threads to exercise wstring thread safety
result =
rw_thread_pool (0, std::size_t (opt_nthreads), 0, thread_func, 0);
rw_error (result == 0, 0, __LINE__,
"rw_thread_pool(0, %d, 0, %{#f}, 0) failed",
opt_nthreads, thread_func);
#endif // _RWSTD_NO_WCHAR_T
return result;
}
/**************************************************************************/
int main (int argc, char *argv[])
{
#ifdef _RWSTD_REENTRANT
// set nthreads to the greater of the number of processors
// and 2 (for uniprocessor systems) by default
opt_nthreads = rw_get_cpus ();
if (opt_nthreads < 2)
opt_nthreads = 2;
#endif // _RWSTD_REENTRANT
return rw_test (argc, argv, __FILE__,
"lib.locale.money.put",
"thread safety", run_test,
"|-nloops#0 " // must be non-negative
"|-nthreads#0-* " // must be in [0, MAX_THREADS]
"|-nlocales#0 " // arg must be non-negative
"|-locales= " // must be provided
"|-shared-locale# ",
&opt_nloops,
int (MAX_THREADS),
&opt_nthreads,
&opt_nlocales,
&rw_opt_setlocales,
&opt_shared_locale);
}