Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / ext / codecvt / char-1.cc

diff --git a/libstdc++-v3/testsuite/ext/codecvt/char-1.cc b/libstdc++-v3/testsuite/ext/codecvt/char-1.cc
new file mode 100644 (file)
index 0000000..733dff8
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/codecvt/char-1.cc
@@ -0,0 +1,141 @@
+// { dg-require-iconv "UCS-2BE" }
+// { dg-require-iconv "ISO-8859-15" }
+
+// 2000-08-22 Benjamin Kosnik <bkoz@cygnus.com>
+
+// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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/>.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+#include <locale>
+#include <cstring>
+#include <testsuite_hooks.h>
+#include <ext/codecvt_specializations.h>
+
+/*
+> how do I check that these conversions are correct? 
+Very easy.  Since all the characters are from ASCII you simply
+zero-extend the values.
+
+drepper$ echo 'black pearl jasmine tea' | od -t x1
+0000000 62 6c 61 63 6b 20 70 65 61 72 6c 20 6a 61 73 6d
+0000020 69 6e 65 20 74 65 61 0a
+
+So the UCS-2 string is
+
+0x0062, 0x006c, 0x0061, ...
+
+You get the idea.  With iconv() you have to take care of the
+byte-order, though.  UCS-2 can mean little- or big endian.  Looking at
+your result
+
+> $9 = 25856
+
+it shows that the other byte-order is used (25856 == 0x6500).
+*/
+
+// Partial specialization using encoding_state.
+// codecvt<unicode_t, char, encoding_state>
+// UNICODE - UCS2 (big endian)
+void test01()
+{
+  using namespace std;
+  typedef codecvt_base::result                 result;
+  typedef unsigned short                       int_type;
+  typedef char                                 ext_type;
+  typedef __gnu_cxx::encoding_state                    state_type;
+  typedef codecvt<int_type, ext_type, state_type>      unicode_codecvt;
+  typedef char_traits<int_type>                        int_traits;
+  typedef char_traits<ext_type>                        ext_traits;
+
+  bool test __attribute__((unused)) = true;
+  const ext_type*      e_lit = "black pearl jasmine tea";
+  int                  size = strlen(e_lit);
+
+  char  i_lit_base[50] __attribute__((aligned(__alignof__(int_type)))) = 
+  { 
+    0x00, 0x62, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x63, 0x00, 0x6b, 0x00, 0x20,
+    0x00, 0x70, 0x00, 0x65, 0x00, 0x61, 0x00, 0x72, 0x00, 0x6c, 0x00, 0x20,
+    0x00, 0x6a, 0x00, 0x61, 0x00, 0x73, 0x00, 0x6d, 0x00, 0x69, 0x00, 0x6e,
+    0x00, 0x65, 0x00, 0x20, 0x00, 0x74, 0x00, 0x65, 0x00, 0x61, 0x00, 0xa0
+  };
+  const int_type*      i_lit = reinterpret_cast<int_type*>(i_lit_base);
+
+  const ext_type*       efrom_next;
+  const int_type*       ifrom_next;
+  ext_type*            e_arr = new ext_type[size + 1];
+  ext_type*            eto_next;
+  int_type*            i_arr = new int_type[size + 1];
+  int_type*            ito_next;
+
+  // construct a locale object with the specialized facet.
+  locale               loc(locale::classic(), new unicode_codecvt);
+  // sanity check the constructed locale has the specialized facet.
+  VERIFY( has_facet<unicode_codecvt>(loc) );
+  const unicode_codecvt& cvt = use_facet<unicode_codecvt>(loc); 
+
+  // in
+  //  unicode_codecvt::state_type state01("UCS-2BE", "ISO-8859-15", 0xfeff, 0);
+  unicode_codecvt::state_type state01("UCS-2BE", "ISO-8859-15", 0, 0);
+
+  // internal encoding is bigger because of bom
+  result r1 = cvt.in(state01, e_lit, e_lit + size, efrom_next, 
+                    i_arr, i_arr + size + 1, ito_next);
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
+  VERIFY( efrom_next == e_lit + size );
+  VERIFY( ito_next == i_arr + size );
+
+  // out
+  unicode_codecvt::state_type state02("UCS-2BE", "ISO-8859-15", 0, 0);
+  result r2 = cvt.out(state02, i_lit, i_lit + size, ifrom_next, 
+                      e_arr, e_arr + size, eto_next);
+  VERIFY( r2 == codecvt_base::ok );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); 
+  VERIFY( ifrom_next == i_lit + size );
+  VERIFY( eto_next == e_arr + size );
+
+  // unshift
+  ext_traits::copy(e_arr, e_lit, size);
+  unicode_codecvt::state_type state03("UCS-2BE", "ISO-8859-15", 0, 0);
+  result r3 = cvt.unshift(state03, e_arr, e_arr + size, eto_next);
+  VERIFY( r3 == codecvt_base::noconv );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); 
+  VERIFY( eto_next == e_arr );
+
+  int i = cvt.encoding();
+  VERIFY( i == 2 ); // Target-dependent.
+
+  VERIFY( !cvt.always_noconv() );
+
+  unicode_codecvt::state_type state04("UCS-2BE", "ISO-8859-15", 0, 0);
+  int j = cvt.length(state03, e_lit, e_lit + size, 5);
+  VERIFY( j == 5 );
+
+  int k = cvt.max_length();
+  VERIFY( k == 1 );
+
+  delete [] e_arr;
+  delete [] i_arr;
+}
+
+int main ()
+{
+  test01();
+  return 0;
+}