Copy string_view tests from libstdc++

[thirdparty/binutils-gdb.git] / gdb / unittests / basic_string_view / operations / rfind / wchar_t / 3.cc

diff --git a/gdb/unittests/basic_string_view/operations/rfind/wchar_t/3.cc b/gdb/unittests/basic_string_view/operations/rfind/wchar_t/3.cc
new file mode 100644 (file)
index 0000000..ad34cd3
--- /dev/null
+++ b/gdb/unittests/basic_string_view/operations/rfind/wchar_t/3.cc
@@ -0,0 +1,66 @@
+// { dg-options "-std=gnu++17" }
+
+// Copyright (C) 2013-2018 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_view>
+#include <testsuite_hooks.h>
+
+// basic_string_view::find_last_not_of
+
+void
+test03()
+{
+  typedef std::wstring_view::size_type csize_type;
+  std::wstring_view::size_type pos;
+  csize_type npos = std::wstring_view::npos;
+
+  std::wstring_view x;
+  pos = x.find_last_not_of(L'X');
+  VERIFY( pos == npos );
+  pos = x.find_last_not_of(L"XYZ");
+  VERIFY( pos == npos );
+
+  std::wstring_view y(L"a");
+  pos = y.find_last_not_of(L'X');
+  VERIFY( pos == 0 );
+  pos = y.find_last_not_of(L'a');
+  VERIFY( pos == npos );
+  pos = y.find_last_not_of(L"XYZ");
+  VERIFY( pos == 0 );
+  pos = y.find_last_not_of(L"a");
+  VERIFY( pos == npos );
+
+  std::wstring_view z(L"ab");
+  pos = z.find_last_not_of(L'X');
+  VERIFY( pos == 1 );
+  pos = z.find_last_not_of(L"XYZ");
+  VERIFY( pos == 1 );
+  pos = z.find_last_not_of(L'b');
+  VERIFY( pos == 0 );
+  pos = z.find_last_not_of(L"Xb");
+  VERIFY( pos == 0 );
+  pos = z.find_last_not_of(L"Xa");
+  VERIFY( pos == 1 );
+}
+int
+main()
+{
+  test03();
+
+  return 0;
+}