Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/algorithms/alg.modifying.operations/alg.remove/remove_if.pass.cpp

@@ -0,0 +1,98 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <algorithm>
+
+// template<ForwardIterator Iter, Predicate<auto, Iter::value_type> Pred>
+//   requires OutputIterator<Iter, RvalueOf<Iter::reference>::type>
+//         && CopyConstructible<Pred>
+//   Iter
+//   remove_if(Iter first, Iter last, Pred pred);
+
+#include <algorithm>
+#include <functional>
+#include <cassert>
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#include <memory>
+#endif
+
+#include "test_iterators.h"
+#include "counting_predicates.hpp"
+
+bool equal2 ( int i ) { return i == 2; }
+
+template <class Iter>
+void
+test()
+{
+    int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2};
+    const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+//     int* r = std::remove_if(ia, ia+sa, std::bind2nd(std::equal_to<int>(), 2));
+    unary_counting_predicate<bool(*)(int), int> cp(equal2);
+    int* r = std::remove_if(ia, ia+sa, std::ref(cp));
+    assert(r == ia + sa-3);
+    assert(ia[0] == 0);
+    assert(ia[1] == 1);
+    assert(ia[2] == 3);
+    assert(ia[3] == 4);
+    assert(ia[4] == 3);
+    assert(ia[5] == 4);
+    assert(cp.count() == sa);
+}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+struct pred
+{
+    bool operator()(const std::unique_ptr<int>& i) {return *i == 2;}
+};
+
+template <class Iter>
+void
+test1()
+{
+    const unsigned sa = 9;
+    std::unique_ptr<int> ia[sa];
+    ia[0].reset(new int(0));
+    ia[1].reset(new int(1));
+    ia[2].reset(new int(2));
+    ia[3].reset(new int(3));
+    ia[4].reset(new int(4));
+    ia[5].reset(new int(2));
+    ia[6].reset(new int(3));
+    ia[7].reset(new int(4));
+    ia[8].reset(new int(2));
+    Iter r = std::remove_if(Iter(ia), Iter(ia+sa), pred());
+    assert(base(r) == ia + sa-3);
+    assert(*ia[0] == 0);
+    assert(*ia[1] == 1);
+    assert(*ia[2] == 3);
+    assert(*ia[3] == 4);
+    assert(*ia[4] == 3);
+    assert(*ia[5] == 4);
+}
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+    test<forward_iterator<int*> >();
+    test<bidirectional_iterator<int*> >();
+    test<random_access_iterator<int*> >();
+    test<int*>();
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    test1<forward_iterator<std::unique_ptr<int>*> >();
+    test1<bidirectional_iterator<std::unique_ptr<int>*> >();
+    test1<random_access_iterator<std::unique_ptr<int>*> >();
+    test1<std::unique_ptr<int>*>();
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}