explicit duration(const _Rep2& __r,
typename enable_if
<
- is_convertible<_Rep2, rep>::value &&
+ is_convertible<const _Rep2&, rep>::value &&
(treat_as_floating_point<rep>::value ||
!treat_as_floating_point<_Rep2>::value)
>::type* = nullptr)
#include "test_macros.h"
#include "../../rep.h"
+#if TEST_STD_VER >= 11
+struct NotValueConvertible {
+ operator int() const&& = delete;
+ constexpr operator int() const& { return 1; }
+};
+#endif
+
template <class D, class R>
-void
-test(R r)
-{
+TEST_CONSTEXPR_CXX14 void check(R r) {
D d(r);
assert(d.count() == r);
+}
+
+TEST_CONSTEXPR_CXX14 bool test() {
+ check<std::chrono::duration<int> >(5);
+ check<std::chrono::duration<int, std::ratio<3, 2> > >(5);
+ check<std::chrono::duration<Rep, std::ratio<3, 2> > >(Rep(3));
+ check<std::chrono::duration<double, std::ratio<2, 3> > >(5.5);
+
+ // test for [time.duration.cons]/1
#if TEST_STD_VER >= 11
- constexpr D d2(R(2));
- static_assert(d2.count() == 2, "");
+ check<std::chrono::duration<int> >(NotValueConvertible());
#endif
+
+ return true;
}
-int main(int, char**)
-{
- test<std::chrono::duration<int> >(5);
- test<std::chrono::duration<int, std::ratio<3, 2> > >(5);
- test<std::chrono::duration<Rep, std::ratio<3, 2> > >(Rep(3));
- test<std::chrono::duration<double, std::ratio<2, 3> > >(5.5);
+int main(int, char**) {
+ test();
+#if TEST_STD_VER > 11
+ static_assert(test(), "");
+#endif
- return 0;
+ // Basic test for constexpr-friendliness in C++11
+#if TEST_STD_VER >= 11
+ {
+ constexpr std::chrono::duration<int> d(5);
+ static_assert(d.count() == 5, "");
+ }
+#endif
+ return 0;
}