X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_stringbuf%2Fseekpos%2Fchar%2F3.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_stringbuf%2Fseekpos%2Fchar%2F3.cc;h=8c3ff42db40d0ced81b11ae8d578223af0116db8;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/libstdc++-v3/testsuite/27_io/basic_stringbuf/seekpos/char/3.cc b/libstdc++-v3/testsuite/27_io/basic_stringbuf/seekpos/char/3.cc
new file mode 100644
index 00000000..8c3ff42d
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_stringbuf/seekpos/char/3.cc
@@ -0,0 +1,47 @@
+// 2003-05-30  Paolo Carlini  <pcarlini@unitus.it>
+
+// 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 <sstream>
+#include <testsuite_hooks.h>
+
+void test01() 
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+  typedef stringbuf::pos_type pos_type;
+  typedef stringbuf::off_type off_type;
+
+  stringbuf strb_01(ios_base::out);
+
+  strb_01.sputn("broken peak", 11);
+  pos_type pt_1 = strb_01.pubseekoff(0, ios_base::end, ios_base::out);
+
+  // In general, according to 27.7.1.3,14, the below has undefined
+  // behaviour since pt_1 + off_type(1) doesn't come from a
+  // previous pubseekpos or pubseekoff. However, given v3 implementation,
+  // this was useful to expose a bug in pubseekpos checks.
+  pos_type pt_2 = strb_01.pubseekpos(pt_1 + off_type(1), ios_base::out);
+  VERIFY( pt_2 == pos_type(off_type(-1)) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}