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From se...@apache.org
Subject svn commit: r548531 - /incubator/stdcxx/trunk/tests/localization/22.locale.num.put.mt.cpp
Date Mon, 18 Jun 2007 23:35:51 GMT
Author: sebor
Date: Mon Jun 18 16:35:50 2007
New Revision: 548531

URL: http://svn.apache.org/viewvc?view=rev&rev=548531
Log:
2007-06-18  Martin Sebor  <sebor@roguewave.com>

	* 22.locale.num.put.mt.cpp: New test exercising the thread safety
	of the required specializations of the num_put facet (including
	numpunct).

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

Added: incubator/stdcxx/trunk/tests/localization/22.locale.num.put.mt.cpp
URL: http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/localization/22.locale.num.put.mt.cpp?view=auto&rev=548531
==============================================================================
--- incubator/stdcxx/trunk/tests/localization/22.locale.num.put.mt.cpp (added)
+++ incubator/stdcxx/trunk/tests/localization/22.locale.num.put.mt.cpp Mon Jun 18 16:35:50
2007
@@ -0,0 +1,355 @@
+/************************************************************************
+ *
+ * 22.locale.num.put.mt.cpp
+ *
+ * test exercising the thread safety of the num_put 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_put
+
+#include <cstring>    // for strlen()
+
+#include <rw_locale.h>
+#include <rw_thread.h>
+#include <driver.h>
+
+
+// maximum number of threads allowed by the command line interface
+#define MAX_THREADS   32
+
+
+#ifdef _RWSTD_REENTRANT
+int rw_opt_nthreads = 4;
+#else   // if !defined (_RWSTD_REENTRANT)
+// in non-threaded builds use just one thread
+int rw_opt_nthreads = 1;
+#endif   // _RWSTD_REENTRANT
+
+// the number of times each thread should iterate (unless specified
+// otherwise on the command line)
+int rw_opt_nloops = 200000;
+
+/**************************************************************************/
+
+// 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;
+
+/**************************************************************************/
+
+extern "C" {
+
+bool test_char;    // exercise num_put<char>
+bool test_wchar;   // exercise num_put<wchar_t>
+
+
+static void*
+thread_func (void*)
+{
+    // dummy streambuf-derived object the doesn't do anything
+    // but allows ostreambuf_iterator to "think" it can write
+    // to it
+    struct NarrowBuf: std::streambuf {
+        int_type overflow (int_type c) { return c; }
+    } sb;
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+    struct WideBuf: std::wstreambuf {
+        int_type overflow (int_type c) { return c; }
+    } wb;
+
+#endif   // _RWSTD_NO_WCHAR_T
+
+    struct Ios: std::ios {
+    } io;
+
+    const std::ios::fmtflags baseflags[] = {
+        std::ios::oct,
+        std::ios::dec,
+        std::ios::hex
+    };
+
+    const std::ios::fmtflags fmtflags[] = {
+        std::ios::showpos,
+        std::ios::showpoint,
+        std::ios::fixed,
+        std::ios::scientific
+    };
+
+    const std::ios::fmtflags adjustflags[] = {
+        std::ios::internal,
+        std::ios::left,
+        std::ios::right
+    };
+
+    for (int i = 0; i != rw_opt_nloops; ++i) {
+
+        // save the name of the locale
+        const char* const locale_name = locales [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
+        // but also by the numpunct facet
+        const std::locale loc (locale_name);
+        io.imbue (loc);
+
+        enum PutId {
+            put_bool,
+            put_long,
+            put_ulong,
+
+#ifndef _RWSTD_NO_LONG_LONG
+
+            put_llong,
+            put_ullong,
+
+#endif   // _RWSTD_NO_LONG_LONG
+
+            put_dbl,
+            put_ldbl,
+            put_ptr,
+            put_max
+        };
+
+        const std::ios::fmtflags base =
+            baseflags [i % (sizeof baseflags / sizeof *baseflags)];
+
+        const std::ios::fmtflags fmt =
+            fmtflags [i % (sizeof baseflags / sizeof *baseflags)];
+
+        const std::ios::fmtflags adjust =
+            adjustflags [i % (sizeof baseflags / sizeof *baseflags)];
+
+        io.flags (base | fmt | adjust);
+
+        io.width (i % 16);
+
+        // exercise postive and negative values
+        const int ival = i & 1 ? -i : i;
+
+        if (test_char) {
+            // exercise the narrow char specialization of the facet
+
+            const std::num_put<char> &np =
+                std::use_facet<std::num_put<char> >(loc);
+
+            const std::ostreambuf_iterator<char> iter (&sb);
+
+            switch (PutId (i % put_max)) {
+            case put_bool:
+                if (i & 2)
+                    io.setf (std::ios::boolalpha);
+                else
+                    io.unsetf (std::ios::boolalpha);
+                        
+                np.put (iter, io, ' ', bool (ival));
+                break;
+
+            case put_long:
+                np.put (iter, io, ' ', long (ival));
+                break;
+
+            case put_ulong:
+                np.put (iter, io, ' ', (unsigned long)ival);
+                break;
+
+#ifndef _RWSTD_NO_LONG_LONG
+
+            case put_llong:
+                np.put (iter, io, ' ', (_RWSTD_LONG_LONG)ival);
+                break;
+
+#endif   // _RWSTD_NO_LONG_LONG
+
+            case put_ullong:
+                np.put (iter, io, ' ', (unsigned _RWSTD_LONG_LONG)ival);
+                break;
+
+            case put_dbl:
+                np.put (iter, io, ' ', double (ival));
+                break;
+
+            case put_ldbl:
+                np.put (iter, io, ' ', (long double)ival);
+                break;
+
+            case put_ptr:
+                np.put (iter, io, ' ', (void*)ival);
+                break;
+            }
+        }
+
+        // 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_put<wchar_t> &np =
+                std::use_facet<std::num_put<wchar_t> >(loc);
+
+            const std::ostreambuf_iterator<wchar_t> iter (&wb);
+
+            switch (PutId (i % put_max)) {
+            case put_bool:
+                np.put (iter, io, L' ', bool (ival));
+                break;
+
+            case put_long:
+                np.put (iter, io, L' ', long (ival));
+                break;
+
+            case put_ulong:
+                np.put (iter, io, L' ', (unsigned long)ival);
+                break;
+
+#ifndef _RWSTD_NO_LONG_LONG
+
+            case put_llong:
+                np.put (iter, io, L' ', (_RWSTD_LONG_LONG)ival);
+                break;
+
+            case put_ullong:
+                np.put (iter, io, L' ', (unsigned _RWSTD_LONG_LONG)ival);
+                break;
+
+#endif   // _RWSTD_NO_LONG_LONG
+
+            case put_dbl:
+                np.put (iter, io, L' ', double (ival));
+                break;
+
+            case put_ldbl:
+                np.put (iter, io, L' ', (long double)ival);
+                break;
+
+            case put_ptr:
+                np.put (iter, io, L' ', (void*)ival);
+                break;
+            }
+
+#endif   // _RWSTD_NO_WCHAR_T
+
+        }
+    }
+
+    return 0;
+}
+
+}   // extern "C"
+
+/**************************************************************************/
+
+static int
+run_test (int, char**)
+{
+    char* const locale_list = rw_locales ();
+
+    const std::size_t maxinx = sizeof locales / sizeof *locales;
+
+    for (char *name = locale_list; *name; name += std::strlen (name) + 1) {
+        locales [nlocales++] = name;
+
+        if (nlocales == maxinx)
+            break;
+    }
+
+    rw_info (0, 0, 0,
+             "testing std::num_put<charT> with %d thread%{?}s%{;}, "
+             "%zu iteration%{?}s%{;} each, in locales { %{ .*A@} }",
+             rw_opt_nthreads, 1 != rw_opt_nthreads,
+             rw_opt_nloops, 1 != rw_opt_nloops,
+             int (nlocales), "%#s", locales);
+
+    rw_info (0, 0, 0, "exercising std::num_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 (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_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 (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 bothe the char and the wchar_t specializations
+    // at the same time
+
+    rw_info (0, 0, 0,
+             "exercising both std::num_put<char> and std::num_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 (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[])
+{
+    return rw_test (argc, argv, __FILE__,
+                    "lib.locale.num.put",
+                    "thread safety", run_test,
+                    "|-nloops#0 "       // must be non-negative
+                    "|-nthreads#0-*",   // must be in [0, MAX_THREADS]
+                    &rw_opt_nloops,
+                    int (MAX_THREADS),
+                    &rw_opt_nthreads);
+}

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



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