74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// test forward
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#include <utility>
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#include <cassert>
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struct A
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{
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};
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A source() {return A();}
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const A csource() {return A();}
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typedef char one;
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struct two {one _[2];};
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struct four {one _[4];};
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struct eight {one _[8];};
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one test(A&);
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two test(const A&);
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#ifdef _LIBCPP_MOVE
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four test(A&&);
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eight test(const A&&);
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#endif
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int main()
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{
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A a;
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const A ca = A();
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#ifdef _LIBCPP_MOVE
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static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
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static_assert(sizeof(test(std::forward<A>(a))) == 4, "");
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static_assert(sizeof(test(std::forward<A>(source()))) == 4, "");
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static_assert(sizeof(test(std::forward<const A&>(a))) == 2, "");
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// static_assert(sizeof(test(std::forward<const A&>(source()))) == 2, "");
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static_assert(sizeof(test(std::forward<const A>(a))) == 8, "");
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static_assert(sizeof(test(std::forward<const A>(source()))) == 8, "");
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static_assert(sizeof(test(std::forward<const A&>(ca))) == 2, "");
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// static_assert(sizeof(test(std::forward<const A&>(csource()))) == 2, "");
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static_assert(sizeof(test(std::forward<const A>(ca))) == 8, "");
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static_assert(sizeof(test(std::forward<const A>(csource()))) == 8, "");
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#else
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static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
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static_assert(sizeof(test(std::forward<A>(a))) == 1, "");
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// static_assert(sizeof(test(std::forward<A>(source()))) == 2, "");
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static_assert(sizeof(test(std::forward<const A&>(a))) == 2, "");
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static_assert(sizeof(test(std::forward<const A&>(source()))) == 2, "");
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static_assert(sizeof(test(std::forward<const A>(a))) == 2, "");
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static_assert(sizeof(test(std::forward<const A>(source()))) == 2, "");
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static_assert(sizeof(test(std::forward<const A&>(ca))) == 2, "");
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static_assert(sizeof(test(std::forward<const A&>(csource()))) == 2, "");
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static_assert(sizeof(test(std::forward<const A>(ca))) == 2, "");
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static_assert(sizeof(test(std::forward<const A>(csource()))) == 2, "");
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#endif
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}
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