528 lines
16 KiB
C++
528 lines
16 KiB
C++
/************************************************************************
|
|
*
|
|
* 22.locale.time.get.mt.cpp
|
|
*
|
|
* test exercising the thread safety of the time_get facet
|
|
*
|
|
* $Id: 22.locale.time.get.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.
|
|
*
|
|
* Copyright 2002-2007 Rogue Wave Software.
|
|
*
|
|
**************************************************************************/
|
|
#include <ios> // for ios
|
|
#include <iterator> // for ostreambuf_iterator
|
|
#include <locale> // for locale, time_put
|
|
#include <cstring> // for strlen ()
|
|
#include <ctime> // for tm
|
|
|
|
#include <rw_locale.h>
|
|
#include <rw_thread.h>
|
|
#include <driver.h> // for rw_assert ()
|
|
#include <valcmp.h> // for rw_strncmp ()
|
|
|
|
#define MAX_THREADS 32
|
|
#define MAX_LOOPS 100000
|
|
|
|
// default number of threads (will be adjusted to the number
|
|
// of processors/cores later)
|
|
int rw_opt_nthreads = 1;
|
|
|
|
// the number of times each thread should iterate
|
|
int rw_opt_nloops = 50000;
|
|
|
|
// number of locales to use
|
|
int rw_opt_nlocales = MAX_THREADS;
|
|
|
|
// should all threads share the same set of locale objects instead
|
|
// of creating their own?
|
|
int rw_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;
|
|
|
|
/**************************************************************************/
|
|
|
|
//
|
|
struct MyTimeData
|
|
{
|
|
enum { BufferSize = 64 };
|
|
|
|
// 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_;
|
|
|
|
// the time struct used to generate strings below
|
|
std::tm time_;
|
|
|
|
// the type specifier
|
|
char format_;
|
|
|
|
// narrow representations of time_ given the
|
|
// locale_name_ and the format_
|
|
char ncs_ [BufferSize];
|
|
|
|
#ifndef _RWSTD_NO_WCHAR_T
|
|
|
|
// wide representations of time_
|
|
wchar_t wcs_ [BufferSize];
|
|
|
|
#endif // _RWSTD_NO_WCHAR_T
|
|
|
|
} my_time_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 pubsetg (const charT *gbeg, std::streamsize n) {
|
|
this->setg (_RWSTD_CONST_CAST (charT*, gbeg),
|
|
_RWSTD_CONST_CAST (charT*, gbeg),
|
|
_RWSTD_CONST_CAST (charT*, gbeg) + n);
|
|
}
|
|
|
|
void pubsetp (charT *pbeg, std::streamsize n) {
|
|
this->setp (pbeg, pbeg + n);
|
|
}
|
|
};
|
|
|
|
void verify_fields (const std::tm& a, const std::tm& b)
|
|
{
|
|
RW_ASSERT (a.tm_sec == b.tm_sec);
|
|
RW_ASSERT (a.tm_min == b.tm_min);
|
|
RW_ASSERT (a.tm_hour == b.tm_hour);
|
|
RW_ASSERT (a.tm_mday == b.tm_mday);
|
|
RW_ASSERT (a.tm_mon == b.tm_mon);
|
|
RW_ASSERT (a.tm_year == b.tm_year);
|
|
RW_ASSERT (a.tm_wday == b.tm_wday);
|
|
RW_ASSERT (a.tm_yday == b.tm_yday);
|
|
}
|
|
#define RW_ASSERT_FIELDS(a,b) verify_fields(a,b)
|
|
|
|
extern "C" {
|
|
|
|
bool test_char; // exercise time_get<char>
|
|
bool test_wchar; // exercise time_get<wchar_t>
|
|
|
|
|
|
static void*
|
|
thread_func (void*)
|
|
{
|
|
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
|
|
|
|
std::ios_base::iostate state = std::ios_base::goodbit;
|
|
|
|
std::tm local;
|
|
for (int i = 0; i != rw_opt_nloops; ++i) {
|
|
|
|
// save the name of the locale
|
|
const MyTimeData& data = my_time_data [i % nlocales];
|
|
|
|
// construct a named locale, get a reference to the time_put
|
|
// facet from it and use it to format a random time value
|
|
// using a random conversion specifier
|
|
const std::locale loc =
|
|
rw_opt_shared_locale ? data.locale_
|
|
: std::locale (data.locale_name_);
|
|
|
|
if (test_char) {
|
|
// exercise the narrow char specialization of the facet
|
|
|
|
const std::time_get<char> &ng =
|
|
std::use_facet<std::time_get<char> >(loc);
|
|
|
|
nio.imbue (loc);
|
|
nsb.pubsetg (data.ncs_, RW_COUNT_OF (data.ncs_));
|
|
|
|
const std::istreambuf_iterator<char> iter (&nsb);
|
|
const std::istreambuf_iterator<char> end;
|
|
|
|
std::memset (&local, 0, sizeof local);
|
|
|
|
switch (data.format_) {
|
|
case 'X':
|
|
ng.get_time (iter, end, nio, state, &local);
|
|
break;
|
|
case 'x':
|
|
ng.get_date (iter, end, nio, state, &local);
|
|
break;
|
|
case 'a':
|
|
case 'A':
|
|
ng.get_weekday (iter, end, nio, state, &local);
|
|
break;
|
|
case 'b':
|
|
case 'B':
|
|
ng.get_monthname (iter, end, nio, state, &local);
|
|
break;
|
|
case 'y':
|
|
case 'Y':
|
|
ng.get_year (iter, end, nio, state, &local);
|
|
break;
|
|
default:
|
|
|
|
#ifndef _RWSTD_NO_EXT_TIME_GET
|
|
ng.get (iter, end, nio, state, &local, data.format_);
|
|
#endif // _RWSTD_NO_EXT_TIME_GET
|
|
|
|
break;
|
|
}
|
|
|
|
RW_ASSERT (! (state & std::ios_base::failbit));
|
|
RW_ASSERT_FIELDS (local, data.time_);
|
|
}
|
|
|
|
// 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::time_get<wchar_t> &wg =
|
|
std::use_facet<std::time_get<wchar_t> >(loc);
|
|
|
|
wio.imbue (loc);
|
|
wsb.pubsetg (data.wcs_, RW_COUNT_OF (data.wcs_));
|
|
|
|
const std::istreambuf_iterator<wchar_t> iter (&wsb);
|
|
const std::istreambuf_iterator<wchar_t> end;
|
|
|
|
std::memset (&local, 0, sizeof local);
|
|
|
|
switch (data.format_) {
|
|
case 'X':
|
|
wg.get_time (iter, end, wio, state, &local);
|
|
break;
|
|
case 'x':
|
|
wg.get_date (iter, end, wio, state, &local);
|
|
break;
|
|
case 'a':
|
|
case 'A':
|
|
wg.get_weekday (iter, end, wio, state, &local);
|
|
break;
|
|
case 'b':
|
|
case 'B':
|
|
wg.get_monthname (iter, end, wio, state, &local);
|
|
break;
|
|
case 'y':
|
|
case 'Y':
|
|
wg.get_year (iter, end, wio, state, &local);
|
|
break;
|
|
default:
|
|
|
|
#ifndef _RWSTD_NO_EXT_TIME_GET
|
|
wg.get (iter, end, wio, state, &local, data.format_);
|
|
#endif // _RWSTD_NO_EXT_TIME_GET
|
|
|
|
break;
|
|
}
|
|
|
|
RW_ASSERT (! (state & std::ios_base::failbit));
|
|
RW_ASSERT_FIELDS (local, data.time_);
|
|
|
|
#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);
|
|
|
|
int j = 0;
|
|
for (const char* name = locale_list;
|
|
*name;
|
|
name += std::strlen (name) + 1) {
|
|
|
|
const std::size_t inx = nlocales;
|
|
locales [inx] = name;
|
|
|
|
// fill in the time and results for this locale
|
|
MyTimeData& data = my_time_data [inx];
|
|
data.locale_name_ = name;
|
|
|
|
// initialize tm with random but valid values
|
|
std::memset (&data.time_, 0, sizeof data.time_);
|
|
data.time_.tm_sec = ++j % 61;
|
|
data.time_.tm_min = ++j % 60;
|
|
data.time_.tm_hour = ++j % 12;
|
|
data.time_.tm_wday = ++j % 7;
|
|
data.time_.tm_mon = ++j % 12;
|
|
data.time_.tm_mday = ++j % 31;
|
|
data.time_.tm_yday = ++j % 366;
|
|
data.time_.tm_year = ++j;
|
|
|
|
#ifndef _RWSTD_NO_EXT_TIME_GET
|
|
// format specifiers that we can reliably parse
|
|
// get_weekday, get_monthname, get_date, get_time,
|
|
// get_year and the extension get.
|
|
const char formats [] = "aAbBCdhHjmMnRStTwxXyY";
|
|
#else
|
|
// formats that generate strings compatible with
|
|
// get_weekday, get_monthname, get_date, get_time
|
|
// and get_year.
|
|
const char formats [] = "aAbBxXyY";
|
|
#endif
|
|
|
|
// get the "random" data type used to generate representation
|
|
data.format_ = formats [nlocales % (sizeof formats - 1)];
|
|
|
|
try {
|
|
const std::locale loc (data.locale_name_);
|
|
|
|
const std::time_put<char> &np =
|
|
std::use_facet<std::time_put<char> >(loc);
|
|
|
|
const std::time_get<char> &ng =
|
|
std::use_facet<std::time_get<char> >(loc);
|
|
|
|
std::ios::iostate state = std::ios::goodbit;
|
|
|
|
nio.imbue (loc);
|
|
|
|
// put the time representation on the stream
|
|
nsb.pubsetp (data.ncs_, RW_COUNT_OF (data.ncs_));
|
|
*np.put (std::ostreambuf_iterator<char>(&nsb), nio, ' ',
|
|
&data.time_, data.format_) = '\0';
|
|
|
|
rw_fatal (!nio.fail (), __FILE__, __LINE__,
|
|
"time_put<char>::put(...) failed for locale(%#s)",
|
|
data.locale_name_);
|
|
|
|
// read the data back out. this is what the thread
|
|
// is expected to do, and the result it should get.
|
|
|
|
nsb.pubsetg (data.ncs_, RW_COUNT_OF (data.ncs_));
|
|
|
|
const std::istreambuf_iterator<char> iter (&nsb);
|
|
const std::istreambuf_iterator<char> end;
|
|
|
|
std::memset (&data.time_, 0, sizeof data.time_);
|
|
|
|
switch (data.format_) {
|
|
case 'a':
|
|
case 'A':
|
|
ng.get_weekday (iter, end, nio, state, &data.time_);
|
|
break;
|
|
case 'b':
|
|
case 'B':
|
|
case 'h':
|
|
ng.get_monthname (iter, end, nio, state, &data.time_);
|
|
break;
|
|
case 'y':
|
|
case 'Y':
|
|
ng.get_year (iter, end, nio, state, &data.time_);
|
|
break;
|
|
case 'x':
|
|
ng.get_date (iter, end, nio, state, &data.time_);
|
|
break;
|
|
case 'X':
|
|
ng.get_time (iter, end, nio, state, &data.time_);
|
|
break;
|
|
default:
|
|
|
|
#ifndef _RWSTD_NO_EXT_TIME_GET
|
|
ng.get (iter, end, nio, state, &data.time_, data.format_);
|
|
#endif // _RWSTD_NO_EXT_TIME_GET
|
|
|
|
break;
|
|
}
|
|
|
|
// we couldn't read the data back, so don't use this locale
|
|
if (state & std::ios_base::failbit)
|
|
continue;
|
|
|
|
#ifndef _RWSTD_NO_WCHAR_T
|
|
|
|
const std::time_put<wchar_t> &wp =
|
|
std::use_facet<std::time_put<wchar_t> >(loc);
|
|
|
|
wio.imbue (loc);
|
|
wsb.pubsetp (data.wcs_, RW_COUNT_OF (data.wcs_));
|
|
|
|
*wp.put (std::ostreambuf_iterator<wchar_t>(&wsb),
|
|
wio, L' ', &data.time_, data.format_) = L'\0';
|
|
|
|
rw_fatal (!wio.fail (), __FILE__, __LINE__,
|
|
"time_put<wchar_t>::put(...) failed for locale(%#s)",
|
|
data.locale_name_);
|
|
|
|
#endif // _RWSTD_NO_WCHAR_T
|
|
|
|
if (rw_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 (rw_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::time_get<charT> with %d thread%{?}s%{;}, "
|
|
"%d iteration%{?}s%{;} each, in %zu locales { %{ .*A@} }",
|
|
rw_opt_nthreads, 1 != rw_opt_nthreads,
|
|
rw_opt_nloops, 1 != rw_opt_nloops,
|
|
nlocales, int (nlocales), "%#s", locales);
|
|
|
|
rw_info (0, 0, 0, "exercising std::time_get<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 (rw_opt_nthreads), 0, thread_func, 0);
|
|
|
|
rw_error (result == 0, 0, __LINE__,
|
|
"rw_thread_pool(0, %d, 0, %{#f}, 0) failed",
|
|
rw_opt_nthreads, thread_func);
|
|
|
|
#ifndef _RWSTD_NO_WCHAR_T
|
|
|
|
rw_info (0, 0, 0, "exercising std::time_get<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 (rw_opt_nthreads), 0, thread_func, 0);
|
|
|
|
rw_error (result == 0, 0, __LINE__,
|
|
"rw_thread_pool(0, %d, 0, %{#f}, 0) failed",
|
|
rw_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::time_get<char> and std::time_get<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 (rw_opt_nthreads), 0, thread_func, 0);
|
|
|
|
rw_error (result == 0, 0, __LINE__,
|
|
"rw_thread_pool(0, %d, 0, %{#f}, 0) failed",
|
|
rw_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
|
|
rw_opt_nthreads = rw_get_cpus ();
|
|
if (rw_opt_nthreads < 2)
|
|
rw_opt_nthreads = 2;
|
|
|
|
#endif // _RWSTD_REENTRANT
|
|
|
|
return rw_test (argc, argv, __FILE__,
|
|
"lib.locale.time.get",
|
|
"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# ",
|
|
&rw_opt_nloops,
|
|
int (MAX_THREADS),
|
|
&rw_opt_nthreads,
|
|
&rw_opt_nlocales,
|
|
&rw_opt_setlocales,
|
|
&rw_opt_shared_locale);
|
|
}
|