diff options
Diffstat (limited to 'libcxx/test/std/utilities/time')
| -rw-r--r-- | libcxx/test/std/utilities/time/time.duration/time.duration.arithmetic/op_+.pass.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/time/time.duration/time.duration.arithmetic/op_+.pass.cpp b/libcxx/test/std/utilities/time/time.duration/time.duration.arithmetic/op_+.pass.cpp index e4a22cfadfb..2bfe9a3b72e 100644 --- a/libcxx/test/std/utilities/time/time.duration/time.duration.arithmetic/op_+.pass.cpp +++ b/libcxx/test/std/utilities/time/time.duration/time.duration.arithmetic/op_+.pass.cpp @@ -32,4 +32,15 @@ int main() static_assert(m.count() == m2.count(), ""); } #endif + +// P0548 + { + typedef std::chrono::duration<int, std::ratio<10,10> > D10; + typedef std::chrono::duration<int, std::ratio< 1, 1> > D1; + D10 zero{0}; + D10 one{1}; + static_assert( (std::is_same< decltype(+one), decltype(zero-one) >::value), ""); + static_assert( (std::is_same< decltype(zero+one), D1>::value), ""); + static_assert( (std::is_same< decltype(+one), D1>::value), ""); + } } |
