Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / fpos / mbstate_t / 2.cc

diff --git a/libstdc++-v3/testsuite/27_io/fpos/mbstate_t/2.cc b/libstdc++-v3/testsuite/27_io/fpos/mbstate_t/2.cc
new file mode 100644 (file)
index 0000000..46f0d12
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/fpos/mbstate_t/2.cc
@@ -0,0 +1,90 @@
+// 1999-09-20 bkoz
+
+// Copyright (C) 1999, 2001, 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/>.
+
+
+// 27.4.3 template class fpos
+
+#include <cwchar> // for mbstate_t
+#include <ios>
+#include <testsuite_hooks.h>
+
+// 27.4.3.2 fpos requirements/invariants
+void test02()
+{
+  bool test __attribute__((unused)) = true;
+
+  typedef std::mbstate_t state_type;
+
+  std::streamoff off01;
+  std::streamoff off02 = 997;
+  int i02 = 999;
+
+  // p(i), p = i
+  std::streampos pos01(i02);
+  std::streampos pos02 = i02;
+  VERIFY( pos01 == pos02 );
+  
+  // p(o), p = o 
+  // NB: P(o) is only required.
+  std::streampos pos03(off02);
+  std::streampos pos04 = off02;
+  VERIFY( pos03 == pos04 );
+  
+  // O(p)
+  std::streamoff off03(pos04);
+  VERIFY( off03 == off02 );
+
+  // p == q, p!= q
+  VERIFY( pos01 == pos02 );
+  VERIFY( pos02 != pos03 );
+
+  // q = p + o
+  // p += o
+  pos03 = pos03 + off02;
+  pos04 += off02;
+  VERIFY( pos03 == pos04 );
+  std::streampos pos05 = pos03;
+  std::streampos pos06 = pos03 + off02;
+  VERIFY ( pos05 == pos03 );
+
+  // q = p - o
+  // p -= o
+  pos03 = pos03 - off02;
+  pos04 -= off02;
+  VERIFY( pos03 == pos04 );
+  std::streampos pos07 = pos03;
+  std::streampos pos08 = pos03 - off02;
+  VERIFY ( pos07 == pos03 );
+
+  // o = p - q
+  VERIFY( 0 == pos03 - pos04 );
+
+  // streamsize -> streamoff
+  // streamoff -> streamsize 
+  off01 = off02;
+  std::streamsize size01(off02);
+  std::streamoff off04(size01);
+  VERIFY( off01 == off04 );
+} 
+
+int main() 
+{
+  test02();
+  return 0;
+}