commit cc2dca496553bba0d09db49b98ccef0d728d9a36
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Mon Jun 8 11:38:04 2015 +0100
PR libstdc++/66417
* src/c++11/codecvt.cc (write_utf16_code_point): Use adjust_byte_order
for single UTF-16 units.
* testsuite/22_locale/codecvt/codecvt_utf16/66417.cc: New.
@@ -319,7 +319,7 @@ namespace
{
if (to.size() > 0)
{
- *to.next = codepoint;
+ *to.next = adjust_byte_order(codepoint, mode);
++to.next;
return true;
}
new file mode 100644
@@ -0,0 +1,76 @@
+// Copyright (C) 2015 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/>.
+
+// { dg-options "-std=gnu++11" }
+
+#include <codecvt>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+void
+test01()
+{
+ constexpr auto mode = generate_header;
+ codecvt_utf16<char32_t, 0x10ffff, mode> cvt;
+ mbstate_t state{};
+ const char32_t* from = U"ABC";
+ const char32_t* from_next;
+ char to[100];
+ char* to_next;
+
+ cvt.out(state, from, from + 3, from_next, to, to + 100, to_next);
+
+ VERIFY((unsigned char)to[0] == 0xfe);
+ VERIFY((unsigned char)to[1] == 0xff);
+ VERIFY(to[2] == 0x00);
+ VERIFY(to[3] == 0x41);
+ VERIFY(to[4] == 0x00);
+ VERIFY(to[5] == 0x42);
+ VERIFY(to[6] == 0x00);
+ VERIFY(to[7] == 0x43);
+}
+
+void
+test02()
+{
+ constexpr auto mode = codecvt_mode(generate_header|little_endian);
+ codecvt_utf16<char32_t, 0x10ffff, mode> cvt;
+ mbstate_t state{};
+ const char32_t* from = U"ABC";
+ const char32_t* from_next;
+ char to[100];
+ char* to_next;
+
+ cvt.out(state, from, from + 3, from_next, to, to + 100, to_next);
+
+ VERIFY((unsigned char)to[0] == 0xff);
+ VERIFY((unsigned char)to[1] == 0xfe);
+ VERIFY(to[2] == 0x41);
+ VERIFY(to[3] == 0x00);
+ VERIFY(to[4] == 0x42);
+ VERIFY(to[5] == 0x00);
+ VERIFY(to[6] == 0x43);
+ VERIFY(to[7] == 0x00);
+}
+
+int
+main()
+{
+ test01();
+ test02();
+}