Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / performance / 22_locale / narrow_widen_char.cc

diff --git a/libstdc++-v3/testsuite/performance/22_locale/narrow_widen_char.cc b/libstdc++-v3/testsuite/performance/22_locale/narrow_widen_char.cc
new file mode 100644 (file)
index 0000000..44e28d6
--- /dev/null
+++ b/libstdc++-v3/testsuite/performance/22_locale/narrow_widen_char.cc
@@ -0,0 +1,67 @@
+// Copyright (C) 2003, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+
+#include <locale>
+#include <testsuite_performance.h>
+
+int main()
+{
+  using namespace std;
+  using namespace __gnu_test;
+
+  time_counter time;
+  resource_counter resource;
+  char bufin[] = "This was an attempt to bypass string construction just for test.";
+  char bufout[sizeof(bufin)];
+
+  locale loc;
+  const ctype<char>& ct = use_facet<ctype<char> >(loc);
+
+  // narrow
+  start_counters(time, resource);
+  for (long i = 0; i < 1000000000; ++i)
+    ct.narrow(i % 128, '*');
+  stop_counters(time, resource);
+  report_performance(__FILE__, "narrow", time, resource);
+  clear_counters(time, resource);
+
+  // narrow array
+  start_counters(time, resource);
+  for (long i = 0; i < 100000000; ++i)
+    ct.narrow(bufin, bufin+sizeof(bufin), '*', bufout);
+  stop_counters(time, resource);
+  report_performance(__FILE__, "narrow_array", time, resource);
+  clear_counters(time, resource);
+
+  // widen
+  start_counters(time, resource);
+  for (long i = 0; i < 1000000000; ++i)
+    ct.widen(i % 128);
+  stop_counters(time, resource);
+  report_performance(__FILE__, "widen", time, resource);
+  clear_counters(time, resource);
+
+  // widen array
+  start_counters(time, resource);
+  for (long i = 0; i < 100000000; ++i)
+    ct.widen(bufin, bufin+sizeof(bufin), bufout);
+  stop_counters(time, resource);
+  report_performance(__FILE__, "widen_array", time, resource);
+
+  return 0;
+}