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From se...@apache.org
Subject svn commit: r548519 - /incubator/stdcxx/trunk/tests/localization/22.locale.time.put.mt.cpp
Date Mon, 18 Jun 2007 22:48:01 GMT
Author: sebor
Date: Mon Jun 18 15:48:01 2007
New Revision: 548519

URL: http://svn.apache.org/viewvc?view=rev&rev=548519
Log:
2007-06-18  Martin Sebor  <sebor@roguewave.com>

	STDCXX-4
	* 22.locale.time.put.mt.cpp: Test exercising the thread safety
	of the required specializations of the std::time_put facet.

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

Added: incubator/stdcxx/trunk/tests/localization/22.locale.time.put.mt.cpp
URL: http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/localization/22.locale.time.put.mt.cpp?view=auto&rev=548519
==============================================================================
--- incubator/stdcxx/trunk/tests/localization/22.locale.time.put.mt.cpp (added)
+++ incubator/stdcxx/trunk/tests/localization/22.locale.time.put.mt.cpp Mon Jun 18 15:48:01
2007
@@ -0,0 +1,251 @@
+/************************************************************************
+ *
+ * 22.locale.time.put.mt.cpp
+ *
+ * test exercising the thread safety of the time_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.
+ *
+ * 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>
+
+
+#define MAX_THREADS      32
+#define MAX_LOOPS    100000
+
+
+#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
+int rw_opt_nloops = MAX_LOOPS;
+
+/**************************************************************************/
+
+// 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 time_put<char>
+bool test_wchar;   // exercise time_put<wchar_t>
+
+
+static void*
+thread_func (void *arg)
+{
+    const rw_thread_t* const pthread = (rw_thread_t*)arg;
+
+    // get the 0-based thread number
+    const std::size_t threadno = std::size_t (pthread->threadno);
+
+    std::tm tmb = std::tm ();
+
+    const char cvtspecs[] = "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%";
+
+    // 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; }
+    } wsb;
+
+#endif   // _RWSTD_NO_WCHAR_T
+
+    struct Ios: std::ios {
+    } io;
+
+    int j = 0;
+
+    for (int i = 0; i != rw_opt_nloops; ++i, ++j) {
+
+        // initialize tm with random but valid values
+        tmb.tm_sec  = ++j % 61;
+        tmb.tm_min  = ++j % 60;
+        tmb.tm_min  = ++j % 60;
+        tmb.tm_wday = ++j % 7;
+        tmb.tm_mon  = ++j % 12;
+        tmb.tm_year = ++j;
+
+        // generate a "random" conversion specifier from the set
+        // of valid specifiers recognized by the facet to exercise
+        // all (or most) code paths
+        const char cvt = cvtspecs [i % (sizeof cvtspecs - 1)];
+
+        // save the name of the locale
+        const char* const locale_name = locales [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 (locale_name);
+
+        if (test_char) {
+            // exercise the narrow char specialization of the facet
+
+            const std::time_put<char> &tp =
+                std::use_facet<std::time_put<char> >(loc);
+
+            // format a "random" but valid tm value using the random
+            // format specifier
+            tp.put (std::ostreambuf_iterator<char>(&sb),
+                    io, ' ', &tmb, cvt);
+
+        }
+
+        // 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_put<wchar_t> &wtp =
+                std::use_facet<std::time_put<wchar_t> >(loc);
+
+            wtp.put (std::ostreambuf_iterator<wchar_t>(&wsb),
+                     io, L' ', &tmb, cvt);
+
+#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::time_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::time_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::time_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::time_put<char> and std::time_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.time.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.time.put.mt.cpp
------------------------------------------------------------------------------
    svn:keywords = Id



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