41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
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//===----------------------------------------------------------------------===//
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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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//
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// Due to C++17 inline variables ASAN flags this test as containing an ODR
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// violation because Clock::is_steady is defined in both the dylib and this TU.
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// UNSUPPORTED: asan
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// Starting with C++17, Clock::is_steady is inlined (but not before LLVM-3.9!),
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// but before C++17 it requires the symbol to be present in the dylib, which
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// is only shipped starting with macosx10.9.
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// XFAIL: with_system_cxx_lib=macosx10.7 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0)
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// XFAIL: with_system_cxx_lib=macosx10.8 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0)
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// <chrono>
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// system_clock
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// check clock invariants
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#include <chrono>
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template <class T>
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void test(const T &) {}
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int main()
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{
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typedef std::chrono::system_clock C;
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static_assert((std::is_same<C::rep, C::duration::rep>::value), "");
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static_assert((std::is_same<C::period, C::duration::period>::value), "");
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static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");
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static_assert((std::is_same<C::time_point::clock, C>::value), "");
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static_assert((C::is_steady || !C::is_steady), "");
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test(std::chrono::system_clock::is_steady);
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}
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