Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 21_strings / basic_string / element_access / wchar_t / 2.cc

diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/element_access/wchar_t/2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/element_access/wchar_t/2.cc
new file mode 100644 (file)
index 0000000..6ffece7
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/element_access/wchar_t/2.cc
@@ -0,0 +1,111 @@
+// 1999-06-08 bkoz
+
+// Copyright (C) 1999, 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/>.
+
+// 21.3 template class basic_string
+
+#include <string>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+// Do a quick sanity check on known problems with element access and
+// ref-counted strings. These should all pass, regardless of the
+// underlying string implementation, of course.
+bool test01(void)
+{
+  bool test __attribute__((unused)) = true;
+  typedef std::wstring::size_type csize_type;
+  typedef std::wstring::iterator siterator;
+  typedef std::wstring::reverse_iterator sriterator;
+  csize_type csz01, csz02;
+  siterator it1;
+  sriterator rit1;  
+
+  std::wstring str01(L"montara beach, half moon bay");
+  const std::wstring str02(L"ocean beach, san francisco");
+  std::wstring str03;
+
+  // 21.3 p 5
+
+  // References, pointers, and iterators referring to the elements of
+  // a basic_string may be invalidated by the following uses of that
+  // basic_string object:
+
+  // ...
+
+  // Susequent to any of the above uses except the forms of insert()
+  // and erase() which return iterators, the first call to non-const
+  // member functions operator[](), at(), begin(), rbegin(), end(), or
+  // rend()
+
+  str03 = str01;
+  it1 = str01.begin();
+  *it1 = L'x';
+  VERIFY( str01[0] == L'x' );
+  VERIFY( str03[0] == L'm' );
+
+  str03 = str01; 
+  csz01 = str01.size();
+  rit1 = str01.rbegin(); // NB: Pointing at one-past the end, so ...
+  *rit1 = L'z';         // ... but it's taken care of here 
+  VERIFY( str01[csz01 - 1] == L'z' );
+  VERIFY( str03[csz01 - 1] == L'y' );
+
+  str03 = str01;
+  csz01 = str01.size();
+  std::wstring::reference r1 = str01.at(csz01 - 2);
+  VERIFY( str03 == str01 );
+  r1 = L'd';
+  VERIFY( str01[csz01 - 2] == L'd' );
+  VERIFY( str03[csz01 - 2] == L'a' );
+
+  str03 = str01; 
+  csz01 = str01.size();
+  std::wstring::reference r2 = str01[csz01 - 3];
+  VERIFY( str03 == str01 );
+  r2 = L'w'; 
+  VERIFY( str01[csz01 - 3] == L'w' );
+  VERIFY( str03[csz01 - 3] == L'b' );
+
+  str03 = str01;
+  csz02 = str01.size();
+  it1 = str01.end();
+  VERIFY( str03 == str01 );
+  --it1;
+  *it1 = L'q'; 
+  VERIFY( str01[csz02 - 1] == L'q' );
+  VERIFY( str03[csz02 - 1] == L'z' );
+
+  str03 = str01;
+  rit1 = str01.rend();
+  VERIFY( str03 == str01 );
+  --rit1;      
+  *rit1 = L'p'; 
+  VERIFY( str01[0] == L'p' );
+  VERIFY( str03[0] == L'x' );
+
+  // need to also test for const begin/const end
+  VERIFY(test);
+  return test;
+}
+
+int main()
+{ 
+  test01();
+  return 0;
+}