Author: sebor
Date: Mon Aug 27 17:59:34 2007
New Revision: 570286
URL: http://svn.apache.org/viewvc?rev=570286&view=rev
Log:
2007-08-28 Travis Vitek <[EMAIL PROTECTED]>
* 22.locale.time.get.mt.cpp: New test exercising the thread safety
of the std::time_get facet. When compiled against the latest trunk
the test crashes due to what's most likely a library bug that still
remains to be analyzed.
Added:
incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp (with
props)
Added: incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp
URL:
http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp?rev=570286&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp (added)
+++ incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp Mon Aug
27 17:59:34 2007
@@ -0,0 +1,527 @@
+/************************************************************************
+ *
+ * 22.locale.time.get.mt.cpp
+ *
+ * test exercising the thread safety of the time_get facet
+ *
+ * $Id$
+ *
+ ***************************************************************************
+ *
+ * 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%{;}, "
+ "%zu iteration%{?}s%{;} each, in %zu locales { %{ [EMAIL
PROTECTED] }",
+ 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);
+}
Propchange: incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp
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Propchange: incubator/stdcxx/trunk/tests/localization/22.locale.time.get.mt.cpp
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svn:keywords = Id
