libcxx initial import

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8

test/algorithms/alg.modifying.operations/alg.swap/swap_ranges.pass.cpp

@@ -0,0 +1,110 @@
+//===----------------------------------------------------------------------===//
+//
+// <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.
+//
+//===----------------------------------------------------------------------===//
+
+// <algorithm>
+
+// template<ForwardIterator Iter1, ForwardIterator Iter2> 
+//   requires HasSwap<Iter1::reference, Iter2::reference> 
+//   Iter2
+//   swap_ranges(Iter1 first1, Iter1 last1, Iter2 first2);
+
+#include <algorithm>
+#include <cassert>
+#ifdef _LIBCPP_MOVE
+#include <memory>
+#endif
+
+#include "../../iterators.h"
+
+template<class Iter1, class Iter2>
+void
+test()
+{
+    int i[3] = {1, 2, 3};
+    int j[3] = {4, 5, 6};
+    Iter2 r = std::swap_ranges(Iter1(i), Iter1(i+3), Iter2(j));
+    assert(base(r) == j+3);
+    assert(i[0] == 4);
+    assert(i[1] == 5);
+    assert(i[2] == 6);
+    assert(j[0] == 1);
+    assert(j[1] == 2);
+    assert(j[2] == 3);
+}
+
+#ifdef _LIBCPP_MOVE
+
+template<class Iter1, class Iter2>
+void
+test1()
+{
+    std::unique_ptr<int> i[3];
+    for (int k = 0; k < 3; ++k)
+        i[k].reset(new int(k+1));
+    std::unique_ptr<int> j[3];
+    for (int k = 0; k < 3; ++k)
+        j[k].reset(new int(k+4));
+    Iter2 r = std::swap_ranges(Iter1(i), Iter1(i+3), Iter2(j));
+    assert(base(r) == j+3);
+    assert(*i[0] == 4);
+    assert(*i[1] == 5);
+    assert(*i[2] == 6);
+    assert(*j[0] == 1);
+    assert(*j[1] == 2);
+    assert(*j[2] == 3);
+}
+
+#endif
+
+int main()
+{
+    test<forward_iterator<int*>, forward_iterator<int*> >();
+    test<forward_iterator<int*>, bidirectional_iterator<int*> >();
+    test<forward_iterator<int*>, random_access_iterator<int*> >();
+    test<forward_iterator<int*>, int*>();
+
+    test<bidirectional_iterator<int*>, forward_iterator<int*> >();
+    test<bidirectional_iterator<int*>, bidirectional_iterator<int*> >();
+    test<bidirectional_iterator<int*>, random_access_iterator<int*> >();
+    test<bidirectional_iterator<int*>, int*>();
+
+    test<random_access_iterator<int*>, forward_iterator<int*> >();
+    test<random_access_iterator<int*>, bidirectional_iterator<int*> >();
+    test<random_access_iterator<int*>, random_access_iterator<int*> >();
+    test<random_access_iterator<int*>, int*>();
+
+    test<int*, forward_iterator<int*> >();
+    test<int*, bidirectional_iterator<int*> >();
+    test<int*, random_access_iterator<int*> >();
+    test<int*, int*>();
+
+#ifdef _LIBCPP_MOVE
+
+    test1<forward_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
+    test1<forward_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
+    test1<forward_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
+    test1<forward_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
+
+    test1<bidirectional_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
+    test1<bidirectional_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
+    test1<bidirectional_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
+    test1<bidirectional_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
+
+    test1<random_access_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
+    test1<random_access_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
+    test1<random_access_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
+    test1<random_access_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
+
+    test1<std::unique_ptr<int>*, forward_iterator<std::unique_ptr<int>*> >();
+    test1<std::unique_ptr<int>*, bidirectional_iterator<std::unique_ptr<int>*> >();
+    test1<std::unique_ptr<int>*, random_access_iterator<std::unique_ptr<int>*> >();
+    test1<std::unique_ptr<int>*, std::unique_ptr<int>*>();
+
+#endif
+}