Author: sebor
Date: Thu Aug 16 15:58:28 2007
New Revision: 566881
URL: http://svn.apache.org/viewvc?view=rev&rev=566881
Log:
2007-08-16 Martin Sebor <[EMAIL PROTECTED]>
* 22.locale.statics.mt.cpp: New test exercising the thread safety
of [lib.locale.statics].
Added:
incubator/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp (with
props)
Added: incubator/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp
URL:
http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp?view=auto&rev=566881
==============================================================================
--- incubator/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp (added)
+++ incubator/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp Thu Aug
16 15:58:28 2007
@@ -0,0 +1,197 @@
+/************************************************************************
+ *
+ * 22.locale.statics.mt.cpp
+ *
+ * test exercising the thread safety of [lib.locale.statics]
+ *
+ * $Id$
+ *
+ ***************************************************************************
+ *
+ * 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 2007 Rogue Wave Software, Inc.
+ *
+ **************************************************************************/
+
+#include <locale> // for locale
+#include <cstring> // for strlen()
+
+#include <rw_locale.h> // for rw_locales()
+#include <rw_thread.h> // for rw_get_processors(), rw_thread_pool()
+#include <driver.h> // for rw_test()
+
+
+// maximum number of threads allowed by the command line interface
+#define MAX_THREADS 16
+
+// default number of threads (will be adjusted to the number
+// of processors/cores later)
+int opt_nthreads = 1;
+
+// the number of times each thread should iterate (unless specified
+// otherwise on the command line)
+int opt_nloops = 20000;
+
+int opt_classic;
+int opt_global;
+
+/**************************************************************************/
+
+// array of locale objects to use for testing
+static std::locale
+locales [MAX_THREADS];
+
+// number of locale names in the array
+static std::size_t
+nlocales;
+
+/**************************************************************************/
+
+extern "C" {
+
+static void*
+test_classic (void*)
+{
+ static volatile int nthreads;
+
+ _RWSTD_ATOMIC_PREINCREMENT (nthreads, false);
+
+ // spin until all threads have been created in order to icrease
+ // the odds that at least two of them will hit the tested function
+ // (and the lazy one-time initialization done by it) at the same
+ // time
+ while (nthreads < opt_nthreads);
+
+ const std::locale classic (std::locale::classic ());
+
+ _RWSTD_UNUSED (classic);
+
+ return 0;
+}
+
+
+static void*
+test_global (void*)
+{
+ for (int i = 0; i != opt_nloops; ++i) {
+
+ const int inx = i % nlocales;
+
+ const std::locale last (std::locale::global (locales [inx]));
+
+ _RWSTD_UNUSED (last);
+
+ // FIXME: verify the consistency of the returned locale
+ // by making sure that it matches the locale passed to
+ // global() made by the last call to the function by
+ // the last thread
+ }
+
+ return 0;
+}
+
+} // extern "C"
+
+/**************************************************************************/
+
+static int
+run_test (int, char**)
+{
+ int result = 0;
+
+ if (rw_note (0 <= opt_classic, 0, __LINE__,
+ "std::locale::classic() test disabled")) {
+
+ rw_info (0, 0, 0,
+ "testing std::locale::classic() with %d thread%{?}s%{;}",
+ opt_nthreads, 1 != opt_nthreads);
+
+ // create and start a pool of threads and wait for them to finish
+ result = rw_thread_pool (0, std::size_t (opt_nthreads), 0,
+ test_classic, 0);
+ }
+
+ if (rw_note (0 <= opt_global, 0, __LINE__,
+ "std::locale::global(const std::locale&) test disabled")) {
+
+
+ // 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 = sizeof locales / sizeof *locales;
+
+ const char* locale_names [MAX_THREADS];
+
+ for (const char *name = locale_list;
+ *name;
+ name += std::strlen (name) + 1) {
+
+ locale_names [nlocales] = name;
+ locales [nlocales++] = std::locale (name);
+
+ if (nlocales == maxinx)
+ break;
+ }
+
+ rw_info (0, 0, 0,
+ "testing std::locale::global(const std::locale&) with "
+ "%d thread%{?}s%{;}, %zu iteration%{?}s%{;} each, in "
+ "%zu locales { %{ [EMAIL PROTECTED] }",
+ opt_nthreads, 1 != opt_nthreads,
+ opt_nloops, 1 != opt_nloops,
+ nlocales, int (nlocales), "%#s", locale_names);
+
+ // create and start a pool of threads and wait for them to finish
+ result = rw_thread_pool (0, std::size_t (opt_nthreads), 0,
+ test_global, 0);
+ }
+
+ 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
+ opt_nthreads = rw_get_cpus ();
+ if (opt_nthreads < 2)
+ opt_nthreads = 2;
+
+#endif // _RWSTD_REENTRANT
+
+ return rw_test (argc, argv, __FILE__,
+ "lib.locale.statics",
+ "thread safety",
+ run_test,
+ "|-classic~ "
+ "|-global~ "
+ "|-nloops#0 " // arg must be non-negative
+ "|-nthreads#0-* " // arg must be in [0, MAX_THREADS]
+ "|-locales= ", // argument must be provided
+ &opt_classic,
+ &opt_global,
+ &opt_nloops,
+ int (MAX_THREADS),
+ &opt_nthreads,
+ &rw_opt_setlocales);
+}
Propchange: incubator/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp
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