Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / performance / 21_strings / string_copy_cons_and_dest.cc

diff --git a/libstdc++-v3/testsuite/performance/21_strings/string_copy_cons_and_dest.cc b/libstdc++-v3/testsuite/performance/21_strings/string_copy_cons_and_dest.cc
new file mode 100644 (file)
index 0000000..1ec18d3
--- /dev/null
+++ b/libstdc++-v3/testsuite/performance/21_strings/string_copy_cons_and_dest.cc
@@ -0,0 +1,52 @@
+// Copyright (C) 2006, 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 <string>
+#include <testsuite_performance.h>
+
+void benchmark(long len)
+{
+  using namespace std;
+  using namespace __gnu_test;
+
+  time_counter time;
+  resource_counter resource;
+  
+  start_counters(time, resource);
+  string a("1");
+  for (long i = 0; i < len; ++i)
+    {
+      string ss1(a);
+      string ss2(ss1);
+      string ss3(ss2);
+      string ss4(ss3);
+      string ss5(ss4);
+    }
+  stop_counters(time, resource);
+
+  report_performance(__FILE__, "", time, resource);
+  clear_counters(time, resource);
+}
+
+int main()
+{
+  benchmark(1000000);
+  benchmark(10000000);
+  benchmark(100000000);
+  return 0;
+}