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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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73
test/utilities/utility/forward/forward.pass.cpp Normal file
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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
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test forward
#include <utility>
#include <cassert>
struct A
{
};
A source() {return A();}
const A csource() {return A();}
typedef char one;
struct two {one _[2];};
struct four {one _[4];};
struct eight {one _[8];};
one test(A&);
two test(const A&);
#ifdef _LIBCPP_MOVE
four test(A&&);
eight test(const A&&);
#endif
int main()
{
A a;
const A ca = A();
#ifdef _LIBCPP_MOVE
static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
static_assert(sizeof(test(std::forward<A>(a))) == 4, "");
static_assert(sizeof(test(std::forward<A>(source()))) == 4, "");
static_assert(sizeof(test(std::forward<const A&>(a))) == 2, "");
// static_assert(sizeof(test(std::forward<const A&>(source()))) == 2, "");
static_assert(sizeof(test(std::forward<const A>(a))) == 8, "");
static_assert(sizeof(test(std::forward<const A>(source()))) == 8, "");
static_assert(sizeof(test(std::forward<const A&>(ca))) == 2, "");
// static_assert(sizeof(test(std::forward<const A&>(csource()))) == 2, "");
static_assert(sizeof(test(std::forward<const A>(ca))) == 8, "");
static_assert(sizeof(test(std::forward<const A>(csource()))) == 8, "");
#else
static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
static_assert(sizeof(test(std::forward<A>(a))) == 1, "");
// static_assert(sizeof(test(std::forward<A>(source()))) == 2, "");
static_assert(sizeof(test(std::forward<const A&>(a))) == 2, "");
static_assert(sizeof(test(std::forward<const A&>(source()))) == 2, "");
static_assert(sizeof(test(std::forward<const A>(a))) == 2, "");
static_assert(sizeof(test(std::forward<const A>(source()))) == 2, "");
static_assert(sizeof(test(std::forward<const A&>(ca))) == 2, "");
static_assert(sizeof(test(std::forward<const A&>(csource()))) == 2, "");
static_assert(sizeof(test(std::forward<const A>(ca))) == 2, "");
static_assert(sizeof(test(std::forward<const A>(csource()))) == 2, "");
#endif
}