Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_filebuf / seekoff / wchar_t / 2.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/wchar_t/2.cc
new file mode 100644 (file)
index 0000000..16d4dce
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/wchar_t/2.cc
@@ -0,0 +1,90 @@
+// { dg-require-namedlocale "" }
+
+// 2003-09-08  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003, 2005, 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <locale>
+#include <cstdio>
+#include <testsuite_hooks.h>
+
+// Check that basic_filebuf::seekoff handles UTF-8 when open for input and
+// output.
+void test02()
+{
+  using namespace std;
+  typedef wfilebuf::int_type int_type;
+  bool test __attribute__((unused)) = true;
+  const char name[] = "tmp_seekoff-2.tst";
+
+  locale loc = locale("se_NO.UTF-8");
+
+  const size_t size = 10;
+  wchar_t buf[size];
+  streamsize n;
+
+  wfilebuf fb;
+  fb.pubimbue(loc);
+  fb.open(name, ios_base::in | ios_base::out | ios_base::trunc);
+
+  n = fb.sputn(L"\xa0st", 3);
+  VERIFY( n == 3 );
+  
+  fb.pubseekoff(0, ios_base::beg);
+  n = fb.sgetn(buf, 2);
+  VERIFY( n == 2 );
+  VERIFY( !wmemcmp(buf, L"\xa0s", 2) );
+
+  fb.pubseekoff(0, ios_base::cur);
+  n = fb.sputn(L"\xb2R", 2);
+  VERIFY( n == 2 );
+
+  fb.pubseekoff(0, ios_base::beg);
+  n = fb.sgetn(buf, size);
+  VERIFY( n == 4 );
+  VERIFY( !wmemcmp(buf, L"\xa0s\xb2R", 4) );
+
+  fb.pubseekoff(0, ios_base::beg);
+  n = fb.sputn(L"\x90m\x92n\x94", 5);
+  VERIFY( n == 5 );
+
+  fb.pubseekoff(0, ios_base::beg);
+  n = fb.sgetn(buf, 2);
+  VERIFY( n == 2 );
+  VERIFY( !wmemcmp(buf, L"\x90m", 2) );
+
+  fb.pubseekoff(0, ios_base::end);
+  n = fb.sputn(L"I\xbfJ", 3);
+  VERIFY( n == 3 );
+
+  fb.pubseekoff(0, ios_base::beg);
+  n = fb.sgetn(buf, size);
+  VERIFY( n == 8 );
+  VERIFY( !wmemcmp(buf, L"\x90m\x92n\x94I\xbfJ", 8) );
+
+  fb.close();
+}
+
+int main()
+{
+  test02();
+  return 0;
+}