Imported gcc-4.4.3

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

diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc
new file mode 100644 (file)
index 0000000..2b42803
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc
@@ -0,0 +1,80 @@
+// Copyright (C) 2004, 2005, 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 character extractors
+
+#include <istream>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test01() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring str_01;
+  const std::wstring str_02(L"coltrane playing 'softly as a morning sunrise'");
+  const std::wstring str_03(L"coltrane");
+
+  std::wstringbuf isbuf_01(std::ios_base::in);
+  std::wstringbuf isbuf_02(str_02, std::ios_base::in);
+  std::wistream is_01(NULL);
+  std::wistream is_02(&isbuf_02);
+
+  std::ios_base::iostate state1, state2, statefail;
+  statefail = std::ios_base::failbit;
+
+  // template<_CharT, _Traits>
+  //  basic_istream& operator>>(istream&, _CharT*)
+  const int n = 20;
+  wchar_t array1[n];
+  array1[0] = L'\0';
+  typedef std::wios::traits_type ctraits_type;
+  ctraits_type::int_type i1, i2;
+
+  state1 = is_01.rdstate();
+  i1 = ctraits_type::length(array1);
+  is_01 >> array1;   // should snake 0 characters, not alter stream state
+  i2 = ctraits_type::length(array1);
+  state2 = is_01.rdstate();
+  VERIFY( i1 == i2 );
+  VERIFY( state1 != state2 );
+  VERIFY( static_cast<bool>(state2 & statefail) );
+
+  state1 = is_02.rdstate();
+  is_02 >> array1;   // should snake L"coltrane"
+  state2 = is_02.rdstate();
+  VERIFY( state1 == state2 );
+  VERIFY( !static_cast<bool>(state2 & statefail) );
+  VERIFY( array1[str_03.size() - 1] == L'e' );
+  array1[str_03.size()] = L'\0';
+  VERIFY( !str_03.compare(0, str_03.size(), array1) );
+  std::wistream::int_type int1 = is_02.peek(); // should be L' '
+  VERIFY( int1 == L' ' );
+
+  state1 = is_02.rdstate();
+  is_02 >> array1;   // should snake L"playing" as sentry "eats" ws
+  state2 = is_02.rdstate();
+  int1 = is_02.peek(); // should be L' '
+  VERIFY( int1 == L' ' );
+  VERIFY( state1 == state2 );
+  VERIFY( !static_cast<bool>(state2 & statefail) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}