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[v3] Add string correctness/performance testcases
- From: Paolo Carlini <pcarlini at suse dot de>
- To: "'gcc-patches at gcc dot gnu dot org'" <gcc-patches at gcc dot gnu dot org>
- Date: Sat, 31 Jan 2004 00:31:49 +0100
- Subject: [v3] Add string correctness/performance testcases
Hi,
prepared as part of the recent work.
Tested x86-linux, committed to mainline.
Paolo.
//////////////
2004-01-30 Paolo Carlini <pcarlini@suse.de>
* testsuite/21_strings/basic_string/cons/char/6.cc: New.
* testsuite/21_strings/basic_string/cons/wchar_t/6.cc: New.
* testsuite/performance/21_strings/string_cons_input_iterator.cc:
New.
diff -urN libstdc++-v3-orig/testsuite/21_strings/basic_string/cons/char/6.cc libstdc++-v3/testsuite/21_strings/basic_string/cons/char/6.cc
--- libstdc++-v3-orig/testsuite/21_strings/basic_string/cons/char/6.cc 1970-01-01 01:00:00.000000000 +0100
+++ libstdc++-v3/testsuite/21_strings/basic_string/cons/char/6.cc 2004-01-30 23:51:21.000000000 +0100
@@ -0,0 +1,56 @@
+// 2004-01-30 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2004 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 2, 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 COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 21.3.1 basic_string constructors.
+
+#include <iterator>
+#include <sstream>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+string data(long len)
+{
+ string ret;
+ for (long i = 0; i < len; ++i)
+ ret.push_back('a' + rand() % 26);
+ return ret;
+}
+
+void test01(int iter)
+{
+ bool test __attribute__((unused)) = true;
+
+ for (long i = 0, j = 1; i < iter; ++i, j *= 3)
+ {
+ istringstream isstr(data(j));
+
+ string str((istreambuf_iterator<char>(isstr)),
+ istreambuf_iterator<char>());
+ VERIFY( str == isstr.str() );
+ }
+}
+
+int main()
+{
+ test01(13);
+ return 0;
+}
diff -urN libstdc++-v3-orig/testsuite/21_strings/basic_string/cons/wchar_t/6.cc libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/6.cc
--- libstdc++-v3-orig/testsuite/21_strings/basic_string/cons/wchar_t/6.cc 1970-01-01 01:00:00.000000000 +0100
+++ libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/6.cc 2004-01-30 23:52:25.000000000 +0100
@@ -0,0 +1,56 @@
+// 2004-01-30 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2004 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 2, 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 COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 21.3.1 basic_string constructors.
+
+#include <iterator>
+#include <sstream>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+wstring data(long len)
+{
+ wstring ret;
+ for (long i = 0; i < len; ++i)
+ ret.push_back(L'a' + rand() % 26);
+ return ret;
+}
+
+void test01(int iter)
+{
+ bool test __attribute__((unused)) = true;
+
+ for (long i = 0, j = 1; i < iter; ++i, j *= 3)
+ {
+ wistringstream isstr(data(j));
+
+ wstring str((istreambuf_iterator<wchar_t>(isstr)),
+ istreambuf_iterator<wchar_t>());
+ VERIFY( str == isstr.str() );
+ }
+}
+
+int main()
+{
+ test01(13);
+ return 0;
+}
diff -urN libstdc++-v3-orig/testsuite/performance/21_strings/string_cons_input_iterator.cc libstdc++-v3/testsuite/performance/21_strings/string_cons_input_iterator.cc
--- libstdc++-v3-orig/testsuite/performance/21_strings/string_cons_input_iterator.cc 1970-01-01 01:00:00.000000000 +0100
+++ libstdc++-v3/testsuite/performance/21_strings/string_cons_input_iterator.cc 2004-01-31 00:07:47.000000000 +0100
@@ -0,0 +1,58 @@
+// Copyright (C) 2004 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 2, 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 COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <iterator>
+#include <sstream>
+
+#include <testsuite_performance.h>
+
+void benchmark(long len)
+{
+ using namespace std;
+ using namespace __gnu_test;
+
+ time_counter time;
+ resource_counter resource;
+
+ istringstream isstr(string(len, 'a'));
+
+ start_counters(time, resource);
+ string str((istreambuf_iterator<char>(isstr)),
+ istreambuf_iterator<char>());
+ stop_counters(time, resource);
+
+ report_performance(__FILE__, "", time, resource);
+ clear_counters(time, resource);
+}
+
+int main()
+{
+ benchmark(500000);
+ benchmark(5000000);
+ benchmark(50000000);
+ return 0;
+}