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From se...@apache.org
Subject svn commit: r569592 - /incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp
Date Sat, 25 Aug 2007 00:56:59 GMT
Author: sebor
Date: Fri Aug 24 17:56:58 2007
New Revision: 569592

URL: http://svn.apache.org/viewvc?rev=569592&view=rev
Log:
2007-08-25  Travis Vitek  <vitek@roguewave.com>

	STDCXX-530
	* 22.locale.num.get.mt.cpp: New test exercising the thread safety
	of the std::num_get facet.

Added:
    incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp   (with props)

Added: incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp
URL: http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp?rev=569592&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp (added)
+++ incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp Fri Aug 24 17:56:58
2007
@@ -0,0 +1,560 @@
+/************************************************************************
+ *
+ * 22.locale.num.get.mt.cpp
+ *
+ * test exercising the thread safety of the num_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.
+ *
+ **************************************************************************/
+
+#include <ios>        // for ios
+#include <iterator>   // for ostreambuf_iterator
+#include <locale>     // for locale, num_get
+
+#include <cstring>    // for strlen()
+
+#include <rw_locale.h>
+#include <rw_thread.h>   // for rw_get_processors (), rw_thread_pool()
+#include <driver.h>
+#include <valcmp.h>
+
+#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 = MAX_LOOPS;
+
+// 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 MyNumData {
+
+    enum { BufferSize = 32 };
+
+    enum PutId {
+        put_bool,
+        put_long,
+        put_ulong,
+
+#ifndef _RWSTD_NO_LONG_LONG
+
+        put_llong,
+        put_ullong,
+
+#endif   // _RWSTD_NO_LONG_LONG
+
+        put_dbl,
+
+#ifndef _RWSTD_NO_LONG_DOUBLE
+
+        put_ldbl,
+
+#endif   // _RWSTD_NO_LONG_DOUBLE
+
+        put_ptr,
+        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_;
+
+    // the value that we will be formatting
+    double value_;
+
+    // the type of the data we get
+    PutId type_;
+
+    // holds the narrow/wide character representation of value_ and
+    // the number of used 'charT' in each buffer.
+    char    ncs_ [BufferSize];
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+    wchar_t wcs_ [BufferSize];
+
+#endif  // _RWSTD_NO_WCHAR_T
+
+} my_num_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);
+    }
+};
+
+template <class charT, class Traits>
+void
+test_put_data (const MyNumData                               &data,
+               const std::num_put<charT>                     &np,
+               const std::ostreambuf_iterator<charT, Traits> &iter,
+               std::basic_ios<charT, Traits>                 &io,
+               charT                                          fill,
+               charT                                          term)
+{
+    switch (data.type_) {
+    case MyNumData::put_bool:
+        *np.put (iter, io, fill,
+                 data.value_ < 1.f) = term;
+        break;
+    case MyNumData::put_long:
+        *np.put (iter, io, fill,
+                 (long)data.value_) = term;
+        break;
+    case MyNumData::put_ulong:
+        *np.put (iter, io, fill,
+                 (unsigned long)data.value_) = term;
+        break;
+
+#ifndef _RWSTD_NO_LONG_LONG
+
+    case MyNumData::put_llong:
+        *np.put (iter, io, fill,
+                 (_RWSTD_LONG_LONG)data.value_) = term;
+        break;
+    case MyNumData::put_ullong:
+        *np.put (iter, io, fill,
+                 (unsigned _RWSTD_LONG_LONG)data.value_) = term;
+        break;
+
+#endif   // _RWSTD_NO_LONG_LONG
+
+    case MyNumData::put_dbl:
+        *np.put (iter, io, fill,
+                 (double)data.value_) = term;
+
+        break;
+
+#ifndef _RWSTD_NO_LONG_DOUBLE
+
+    case MyNumData::put_ldbl:
+        *np.put (iter, io, fill,
+                 (long double)data.value_) = term;
+        break;
+
+#endif   // _RWSTD_NO_LONG_DOUBLE
+
+    case MyNumData::put_ptr:
+        *np.put (iter, io, fill,
+                 (const void*)&data.value_) = term;
+        break;
+
+    case MyNumData::put_max:
+        // avoid enumeration value `put_max' not handled in switch
+        // this case should never happen
+        break;
+    }
+}
+
+
+template <class charT, class Traits>
+void
+test_get_data (const MyNumData                               &data,
+               const std::num_get<charT>                     &np,
+               const std::istreambuf_iterator<charT, Traits> &iter,
+               const std::istreambuf_iterator<charT, Traits> &end,
+               std::basic_ios<charT, Traits>                 &io)
+{
+    std::ios_base::iostate state = std::ios_base::goodbit;
+
+    switch (data.type_) {
+    case MyNumData::put_bool: {
+            const bool expected = data.value_ < 1.f;
+                  bool checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+    case MyNumData::put_long: {
+            const long expected = (long)data.value_;
+                  long checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+    case MyNumData::put_ulong: {
+            const unsigned long expected = (unsigned long)data.value_;
+                  unsigned long checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+
+#ifndef _RWSTD_NO_LONG_LONG
+
+    case MyNumData::put_llong: {
+            const _RWSTD_LONG_LONG expected = (_RWSTD_LONG_LONG)data.value_;
+                  _RWSTD_LONG_LONG checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+    case MyNumData::put_ullong: {
+            const unsigned _RWSTD_LONG_LONG expected
+                = (unsigned _RWSTD_LONG_LONG)data.value_;
+                  unsigned _RWSTD_LONG_LONG checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+
+#endif   // _RWSTD_NO_LONG_LONG
+
+    case MyNumData::put_dbl: {
+            const double expected = (double)data.value_;
+                  double checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+
+#ifndef _RWSTD_NO_LONG_DOUBLE
+
+    case MyNumData::put_ldbl: {
+            const long double expected = (long double)data.value_;
+                  long double checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+
+#endif   // _RWSTD_NO_LONG_DOUBLE
+
+    case MyNumData::put_ptr: {
+            const void* expected = (const void*)&data.value_;
+                  void* checked;
+            np.get (iter, end, io, state, checked);
+            RW_ASSERT (! (state & std::ios_base::failbit));
+            RW_ASSERT (checked == expected);
+        }
+        break;
+
+    case MyNumData::put_max:
+        // avoid enumeration value `put_max' not handled in switch
+        // this case should never happen
+        break;
+    }
+}
+
+extern "C" {
+
+bool test_char;    // exercise num_get<char>
+bool test_wchar;   // exercise num_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
+
+    for (int i = 0; i != rw_opt_nloops; ++i) {
+
+        // fill in the value and results for this locale
+        const MyNumData& data = my_num_data [i % nlocales];
+
+        // construct a named locale and imbue it in the ios object
+        // so that the locale is used not only by the num_put facet
+        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::num_get<char> &np =
+                std::use_facet<std::num_get<char> >(loc);
+
+            nio.imbue (loc);
+            nsb.pubsetg (data.ncs_, RW_COUNT_OF (data.ncs_));
+
+            test_get_data (data, np,
+                           std::istreambuf_iterator<char>(&nsb),
+                           std::istreambuf_iterator<char>(),
+                           nio);
+
+            RW_ASSERT (!nio.fail ()); 
+        }
+
+        // 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::num_get<wchar_t> &wp =
+                std::use_facet<std::num_get<wchar_t> >(loc);
+
+            wio.imbue (loc);
+            wsb.pubsetg (data.wcs_, RW_COUNT_OF (data.wcs_));
+
+            test_get_data (data, wp,
+                           std::istreambuf_iterator<wchar_t>(&wsb),
+                           std::istreambuf_iterator<wchar_t>(),
+                           wio);
+
+            RW_ASSERT (!wio.fail ()); 
+
+#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 value and results for this locale
+        MyNumData& data = my_num_data [nlocales];
+        data.locale_name_ = name;
+
+        try {
+            const std::locale loc (data.locale_name_);
+
+            data.value_ = nlocales & 1 ? -1.f * nlocales : 1.f * nlocales;
+            data.type_ = MyNumData::PutId (nlocales % MyNumData::put_max);
+
+            // format data into buffers
+            const std::num_put<char> &np =
+                std::use_facet<std::num_put<char> >(loc);
+
+            nio.imbue (loc);
+            nsb.pubsetp (data.ncs_, RW_COUNT_OF (data.ncs_));
+
+            test_put_data (data, np, std::ostreambuf_iterator<char>(&nsb),
+                           nio, ' ', '\0');
+
+            rw_fatal (!nio.fail (), __FILE__, __LINE__,
+                      "num_put<char>::put(...) failed for locale(%#s)",
+                      data.locale_name_);
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+            const std::num_put<wchar_t> &wp =
+                std::use_facet<std::num_put<wchar_t> >(loc);
+
+            wio.imbue (loc);
+            wsb.pubsetp (data.wcs_, RW_COUNT_OF (data.wcs_));
+
+            test_put_data (data, wp, std::ostreambuf_iterator<wchar_t>(&wsb),
+                           wio, L' ', L'\0');
+
+            rw_fatal (!wio.fail (), __FILE__, __LINE__,
+                      "num_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::num_get<charT> with %d thread%{?}s%{;}, "
+             "%zu 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::num_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::num_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::num_get<char> and std::num_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.num.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.num.get.mt.cpp
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    svn:eol-style = native

Propchange: incubator/stdcxx/trunk/tests/localization/22.locale.num.get.mt.cpp
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    svn:keywords = Id



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