Add more tests for std::basic_string::find

	* testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
	* testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.

From-SVN: r244185

3 files changed, 85 insertions, 0 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index dc05b3d..cab1848 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,8 @@
 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
+	* testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
+
 	* testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
 	Include <cassert> header.
 
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/operations/find/char/6.cc b/libstdc++-v3/testsuite/21_strings/basic_string/operations/find/char/6.cc
new file mode 100644
index 0000000..6925fbb
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/operations/find/char/6.cc
@@ -0,0 +1,41 @@
+// 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
+
+// Copyright (C) 2017 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/>.
+
+// C++11 21.4.7.2 [string::find] basic_string find
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// https://gcc.gnu.org/ml/libstdc++/2017-01/msg00021.html
+void test01()
+{
+  typedef std::string string_type;
+  string_type::size_type npos = string_type::npos;
+
+  string_type use = "aaa";
+  string_type::size_type pos1 = use.find("ab");
+
+  VERIFY( pos1 == npos );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc b/libstdc++-v3/testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc
new file mode 100644
index 0000000..eb3463d
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc
@@ -0,0 +1,41 @@
+// 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
+
+// Copyright (C) 2017 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/>.
+
+// C++11 21.4.7.2 [string::find] basic_string find
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// https://gcc.gnu.org/ml/libstdc++/2017-01/msg00021.html
+void test01()
+{
+  typedef std::wstring string_type;
+  string_type::size_type npos = string_type::npos;
+
+  string_type use = L"aaa";
+  string_type::size_type pos1 = use.find(L"ab");
+
+  VERIFY( pos1 == npos );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}