From e61fba3b70949e2955f946b81a215c7e08d9aee6 Mon Sep 17 00:00:00 2001 From: Marshall Clow Date: Tue, 9 Dec 2014 14:49:17 +0000 Subject: Add all the relational operators to std::experimental::optional. Also update bad_optional_access to match the Library Fundamentals draft standard. This is not all of the upcoming changes to optional, though. llvm-svn: 223775 --- .../optional/optional.relops/less_equal.pass.cpp | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 libcxx/test/utilities/optional/optional.relops/less_equal.pass.cpp (limited to 'libcxx/test/utilities/optional/optional.relops/less_equal.pass.cpp') diff --git a/libcxx/test/utilities/optional/optional.relops/less_equal.pass.cpp b/libcxx/test/utilities/optional/optional.relops/less_equal.pass.cpp new file mode 100644 index 00000000000..326f3a89649 --- /dev/null +++ b/libcxx/test/utilities/optional/optional.relops/less_equal.pass.cpp @@ -0,0 +1,75 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// + +// template constexpr bool operator<= (const optional& x, const optional& y); + +#include + +#if _LIBCPP_STD_VER > 11 + +using std::experimental::optional; + +struct X +{ + int i_; + + constexpr X(int i) : i_(i) {} +}; + +constexpr bool operator < ( const X &lhs, const X &rhs ) + { return lhs.i_ < rhs.i_ ; } + +#endif + +int main() +{ +#if _LIBCPP_STD_VER > 11 + { + typedef optional O; + + constexpr O o1; // disengaged + constexpr O o2; // disengaged + constexpr O o3{1}; // engaged + constexpr O o4{2}; // engaged + constexpr O o5{1}; // engaged + + static_assert ( (o1 <= o1), "" ); + static_assert ( (o1 <= o2), "" ); + static_assert ( (o1 <= o3), "" ); + static_assert ( (o1 <= o4), "" ); + static_assert ( (o1 <= o5), "" ); + + static_assert ( (o2 <= o1), "" ); + static_assert ( (o2 <= o2), "" ); + static_assert ( (o2 <= o3), "" ); + static_assert ( (o2 <= o4), "" ); + static_assert ( (o2 <= o5), "" ); + + static_assert ( !(o3 <= o1), "" ); + static_assert ( !(o3 <= o2), "" ); + static_assert ( (o3 <= o3), "" ); + static_assert ( (o3 <= o4), "" ); + static_assert ( (o3 <= o5), "" ); + + static_assert ( !(o4 <= o1), "" ); + static_assert ( !(o4 <= o2), "" ); + static_assert ( !(o4 <= o3), "" ); + static_assert ( (o4 <= o4), "" ); + static_assert ( !(o4 <= o5), "" ); + + static_assert ( !(o5 <= o1), "" ); + static_assert ( !(o5 <= o2), "" ); + static_assert ( (o5 <= o3), "" ); + static_assert ( (o5 <= o4), "" ); + static_assert ( (o5 <= o5), "" ); + } +#endif +} -- cgit v1.2.3