Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_streambuf / sgetn / char / 1.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/sgetn/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/sgetn/char/1.cc
new file mode 100644 (file)
index 0000000..be6145c
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/sgetn/char/1.cc
@@ -0,0 +1,122 @@
+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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/>.
+
+
+// 27.5.2 template class basic_streambuf
+
+#include <streambuf>
+#include <cstring>
+#include <testsuite_hooks.h>
+
+class testbuf : public std::streambuf
+{
+public:
+
+  // Typedefs:
+  typedef std::streambuf::traits_type traits_type;
+  typedef std::streambuf::char_type char_type;
+
+  testbuf(): std::streambuf() 
+  { }
+
+  bool
+  check_pointers()
+  { 
+    bool test __attribute__((unused)) = true;
+    VERIFY( this->eback() == NULL );
+    VERIFY( this->gptr() == NULL );
+    VERIFY( this->egptr() == NULL );
+    VERIFY( this->pbase() == NULL );
+    VERIFY( this->pptr() == NULL );
+    VERIFY( this->epptr() == NULL );
+    return test;
+  }
+
+  int_type 
+  pub_uflow() 
+  { return (this->uflow()); }
+
+  int_type 
+  pub_overflow(int_type __c = traits_type::eof()) 
+  { return (this->overflow(__c)); }
+
+  int_type 
+  pub_pbackfail(int_type __c) 
+  { return (this->pbackfail(__c)); }
+
+  void 
+  pub_setg(char* beg, char* cur, char *end) 
+  { this->setg(beg, cur, end); }
+
+  void 
+  pub_setp(char* beg, char* end) 
+  { this->setp(beg, end); }
+
+protected:
+  int_type 
+  underflow() 
+  { 
+    int_type __retval = traits_type::eof();
+    if (this->gptr() < this->egptr())
+      __retval = traits_type::not_eof(0); 
+    return __retval;
+  }
+};
+
+void test02()
+{
+  typedef testbuf::traits_type traits_type;
+  typedef testbuf::int_type int_type;
+
+  bool test __attribute__((unused)) = true;
+
+  char lit01[] = "chicago underground trio/possible cube on delmark";
+  size_t i01 = traits_type::length(lit01);
+
+  testbuf buf01;
+
+  // 27.5.2.1 basic_streambuf ctors
+  // default ctor initializes 
+  // - all pointer members to null pointers
+  // - locale to current global locale
+  VERIFY( buf01.check_pointers() );
+  VERIFY( buf01.getloc() == std::locale() );
+
+  // 27.5.2.2.5 Put area
+
+  char carray01[i01];
+  std::memset(carray01, 0, i01);
+  
+  buf01.pub_setg(lit01, lit01, lit01 + i01);
+  buf01.sgetn(carray01, 0);
+  VERIFY( carray01[0] == 0 );
+  buf01.sgetn(carray01, 1);
+  VERIFY( carray01[0] == 'c' );
+  buf01.sgetn(carray01 + 1, i01 - 1);
+  VERIFY( carray01[0] == 'c' );
+  VERIFY( carray01[1] == 'h' );
+  VERIFY( carray01[i01 - 1] == 'k' );
+}
+
+int main() 
+{
+  test02();
+  return 0;
+}