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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
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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70
test/utilities/tuple/tuple.tuple/tuple.cnstr/convert_copy.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.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// template <class... UTypes> tuple(const tuple<UTypes...>& u);
#include <tuple>
#include <string>
#include <cassert>
struct B
{
int id_;
explicit B(int i) : id_(i) {}
};
struct D
: B
{
explicit D(int i) : B(i) {}
};
int main()
{
{
typedef std::tuple<double> T0;
typedef std::tuple<int> T1;
T0 t0(2.5);
T1 t1 = t0;
assert(std::get<0>(t1) == 2);
}
{
typedef std::tuple<double, char> T0;
typedef std::tuple<int, int> T1;
T0 t0(2.5, 'a');
T1 t1 = t0;
assert(std::get<0>(t1) == 2);
assert(std::get<1>(t1) == int('a'));
}
{
typedef std::tuple<double, char, D> T0;
typedef std::tuple<int, int, B> T1;
T0 t0(2.5, 'a', D(3));
T1 t1 = t0;
assert(std::get<0>(t1) == 2);
assert(std::get<1>(t1) == int('a'));
assert(std::get<2>(t1).id_ == 3);
}
{
D d(3);
typedef std::tuple<double, char, D&> T0;
typedef std::tuple<int, int, B&> T1;
T0 t0(2.5, 'a', d);
T1 t1 = t0;
d.id_ = 2;
assert(std::get<0>(t1) == 2);
assert(std::get<1>(t1) == int('a'));
assert(std::get<2>(t1).id_ == 2);
}
}