4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <chrono>
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// time_point
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// template <class Clock, class Duration1, class Duration2>
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// typename common_type<Duration1, Duration2>::type
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// operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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#include <chrono>
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#include <cassert>
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int main()
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{
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typedef std::chrono::system_clock Clock;
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typedef std::chrono::milliseconds Duration1;
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typedef std::chrono::microseconds Duration2;
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{
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std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
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std::chrono::time_point<Clock, Duration2> t2(Duration2(5));
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assert((t1 - t2) == Duration2(2995));
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}
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#if _LIBCPP_STD_VER > 11
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{
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constexpr std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
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constexpr std::chrono::time_point<Clock, Duration2> t2(Duration2(5));
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static_assert((t1 - t2) == Duration2(2995), "");
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}
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#endif
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}
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