re PR libstdc++/39880 (Specialisation is_error_code_enum<errc> should not exist)

2009-04-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/39880
	PR libstdc++/39881
	PR libstdc++/39882
	* include/std/system_error (is_error_code_enum<errc>): Remove.
	(error_condition<>::error_condition(_ErrorCodeEnum,)
	error_condition<>::operator=(_ErrorCodeEnum)): Use make_error_condition.
	(error_code<>::error_code(_ErrorCodeEnum,),
	error_code<>::operator=(_ErrorCodeEnum)): Use make_error_code.
	* testsuite/19_diagnostics/system_error/39880.cc: New.
	* testsuite/19_diagnostics/error_condition/modifiers/39881.cc:
	Likewise.
	* testsuite/19_diagnostics/error_condition/cons/39881.cc: Likewise.
	* testsuite/19_diagnostics/error_code/modifiers/39882.cc: Likewise.
	* testsuite/19_diagnostics/error_code/cons/39882.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/error_code.cc:
	Adjust.
	* testsuite/27_io/basic_ostream/inserters_other/wchar_t/error_code.cc:
	Likewise.
	* testsuite/19_diagnostics/error_code/cons/1.cc: Likewise.
	* testsuite/19_diagnostics/error_code/operators/bool.cc: Likewise.
	* testsuite/19_diagnostics/error_code/operators/equal.cc: Likewise.
	* testsuite/19_diagnostics/error_code/operators/not_equal.cc:
	Likewise.
	* testsuite/19_diagnostics/error_category/cons/copy_neg.cc: Likewise.
	* testsuite/19_diagnostics/system_error/cons-1.cc: Likewise.
	* testsuite/19_diagnostics/system_error/what-4.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/2.cc: Likewise.

From-SVN: r146780

1 files changed, 61 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/19_diagnostics/error_code/modifiers/39882.cc b/libstdc++-v3/testsuite/19_diagnostics/error_code/modifiers/39882.cc
new file mode 100644
index 00000000000..880a93655e9
--- /dev/null
+++ b/libstdc++-v3/testsuite/19_diagnostics/error_code/modifiers/39882.cc
@@ -0,0 +1,61 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 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/>.
+
+#include <system_error>
+#include <testsuite_hooks.h>
+
+enum my_errc { my_err = 0 };
+
+class my_error_category_impl
+: public std::error_category
+{
+public:
+  const char* name() const { return ""; }
+  std::string message(int) const { return ""; }
+} my_error_category_instance;
+
+std::error_code
+make_error_code(my_errc e)
+{
+  return std::error_code(static_cast<int>(e),
+			 my_error_category_instance);
+}
+
+namespace std
+{
+  template<>
+    struct is_error_code_enum<my_errc>
+    : public true_type {};
+}
+
+// libstdc++/39882
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::error_code ec2;
+  ec2 = my_err;
+  VERIFY( ec2 == make_error_code(my_err) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}