Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_istream / extractors_other / wchar_t / 1.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/wchar_t/1.cc
new file mode 100644 (file)
index 0000000..809c008
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/wchar_t/1.cc
@@ -0,0 +1,137 @@
+// Copyright (C) 2004, 2005, 2006, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 27.6.1.2.3 basic_istream::operator>>
+
+#include <istream>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// stringbufs.
+void test01() 
+{
+  typedef std::wios::traits_type ctraits_type;
+
+  bool test __attribute__((unused)) = true;
+  const std::wstring str_01;
+  const std::wstring str_02(L"art taylor kickin it on DAKAR");
+  std::wstring strtmp;
+
+  std::wstringbuf isbuf_00(std::ios_base::in);
+  std::wstringbuf isbuf_01(std::ios_base::in | std::ios_base::out);
+  std::wstringbuf isbuf_02(str_01, std::ios_base::in);
+  std::wstringbuf isbuf_03(str_01, std::ios_base::in | std::ios_base::out);
+  std::wstringbuf isbuf_04(str_02, std::ios_base::in);
+  std::wstringbuf isbuf_05(str_02, std::ios_base::in | std::ios_base::out);
+
+  std::wistream is_00(NULL);
+  std::wistream is_01(&isbuf_01);
+  std::wistream is_02(&isbuf_02);
+  std::wistream is_03(&isbuf_03);
+  std::wistream is_04(&isbuf_04);
+  std::wistream is_05(&isbuf_05);
+  std::ios_base::iostate state1, state2, statefail, stateeof;
+  statefail = std::ios_base::failbit;
+  stateeof = std::ios_base::eofbit;
+
+
+  // template<_CharT, _Traits>
+  //  basic_istream& operator>>(basic_streambuf*)
+
+  // null istream to empty in_buf
+  state1 = is_00.rdstate();
+  is_00 >> &isbuf_00;   
+  state2 = is_00.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_00.str() == str_01 ); 
+
+  // null istream to empty in_out_buf
+  is_00.clear(std::ios_base::goodbit);
+  state1 = is_00.rdstate();
+  is_00 >> &isbuf_01;   
+  state2 = is_00.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_01.str() == str_01 ); 
+
+  // null istream to full in_buf
+  is_00.clear(std::ios_base::goodbit);
+  state1 = is_00.rdstate();
+  is_00 >> &isbuf_04;   
+  state2 = is_00.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_04.str() == str_02 ); 
+
+  // null istream to full in_out_buf
+  is_00.clear(std::ios_base::goodbit);
+  state1 = is_00.rdstate();
+  is_00 >> &isbuf_05;   
+  state2 = is_00.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_05.str() == str_02 ); 
+
+  // empty but non-null istream to full in_buf
+  state1 = is_02.rdstate();
+  is_02 >> &isbuf_04;   
+  state2 = is_02.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_04.str() == str_02 ); // as only an "in" buffer
+  VERIFY( isbuf_04.sgetc() == L'a' );
+
+  // empty but non-null istream to full in_out_buf
+  is_02.clear(std::ios_base::goodbit);
+  state1 = is_02.rdstate();
+  is_02 >> &isbuf_05;   
+  state2 = is_02.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_05.str() == str_02 ); // as only an "in" buffer
+  VERIFY( isbuf_05.sgetc() == L'a' );
+
+  // full istream to empty in_buf (need out_buf, you know?)
+  state1 = is_04.rdstate();
+  is_04 >> &isbuf_02;   
+  state2 = is_04.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+  VERIFY( isbuf_02.str() == str_01 ); // as only an "in" buffer
+  VERIFY( isbuf_02.sgetc() == ctraits_type::eof() );
+  VERIFY( is_04.peek() == ctraits_type::eof() ); // as failed
+
+  // full istream to empty in_out_buf
+  is_04.clear(std::ios_base::goodbit);
+  state1 = is_04.rdstate();
+  is_04 >> &isbuf_03;   
+  state2 = is_04.rdstate();
+  VERIFY( state1 != state2 );
+  VERIFY( !static_cast<bool>(state2 & statefail) );
+  VERIFY( state2 == stateeof );
+  strtmp = isbuf_03.str();
+  VERIFY( strtmp == str_02 ); // as only an "in" buffer
+  VERIFY( isbuf_03.sgetc() == L'a' );
+  VERIFY( is_04.peek() == ctraits_type::eof() );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}