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* [gcc(refs/users/ppalka/heads/libstdcxx-constrained-algos)] add test (which currently fails)
@ 2020-01-16 19:43 Patrick Palka
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From: Patrick Palka @ 2020-01-16 19:43 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:42cac2d1b79e2e695321390d1904c76e948caf05
commit 42cac2d1b79e2e695321390d1904c76e948caf05
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Jan 15 17:20:27 2020 +0000
add test (which currently fails)
Diff:
---
.../testsuite/std/ranges/iota/difference_type.cc | 57 ++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/libstdc++-v3/testsuite/std/ranges/iota/difference_type.cc b/libstdc++-v3/testsuite/std/ranges/iota/difference_type.cc
new file mode 100644
index 0000000..4a342de
--- /dev/null
+++ b/libstdc++-v3/testsuite/std/ranges/iota/difference_type.cc
@@ -0,0 +1,57 @@
+// Copyright (C) 2020 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++2a" }
+// { dg-do run { target c++2a } }
+
+#include <ranges>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ using I = unsigned long long;
+ auto imax = std::numeric_limits<I>::max();
+ std::ranges::iota_view<I, I> i(0, imax);
+ auto begin = i.begin();
+ static_assert( std::input_or_output_iterator<decltype(begin)> );
+ auto size = std::ranges::end(i) - std::ranges::begin(i);
+ VERIFY( size > 0 );
+ VERIFY( size == imax );
+}
+
+void
+test02()
+{
+#if __SIZEOF_INT128__
+ using I = unsigned __int128;
+ auto imax = std::numeric_limits<I>::max();
+ std::ranges::iota_view<I, I> i(0, imax);
+ auto begin = i.begin();
+ static_assert( std::input_or_output_iterator<decltype(begin)> );
+ auto size = std::ranges::end(i) - std::ranges::begin(i);
+ VERIFY( size > 0 );
+ VERIFY( size == imax );
+#endif
+}
+
+int
+main()
+{
+ test01();
+ test02();
+}
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