libcxx initial import

llvm-svn: 103490

1 files changed, 152 insertions, 0 deletions

diff --git a/libcxx/test/algorithms/alg.modifying.operations/alg.unique/unique_copy_pred.pass.cpp b/libcxx/test/algorithms/alg.modifying.operations/alg.unique/unique_copy_pred.pass.cpp
new file mode 100644
index 00000000000..a0ef1d40e73
--- /dev/null
+++ b/libcxx/test/algorithms/alg.modifying.operations/alg.unique/unique_copy_pred.pass.cpp
@@ -0,0 +1,152 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <algorithm>
+
+// template<InputIterator InIter, class OutIter, 
+//          EquivalenceRelation<auto, InIter::value_type> Pred> 
+//   requires OutputIterator<OutIter, RvalueOf<InIter::value_type>::type> 
+//         && HasAssign<InIter::value_type, InIter::reference> 
+//         && Constructible<InIter::value_type, InIter::reference> 
+//         && CopyConstructible<Pred> 
+//   OutIter
+//   unique_copy(InIter first, InIter last, OutIter result, Pred pred);
+
+#include <algorithm>
+#include <cassert>
+
+#include "../../iterators.h"
+
+struct count_equal
+{
+    static unsigned count;
+    template <class T>
+    bool operator()(const T& x, const T& y)
+        {++count; return x == y;}
+};
+
+unsigned count_equal::count = 0;
+
+template <class InIter, class OutIter>
+void
+test()
+{
+    const int ia[] = {0};
+    const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+    int ja[sa] = {-1};
+    count_equal::count = 0;
+    OutIter r = std::unique_copy(InIter(ia), InIter(ia+sa), OutIter(ja), count_equal());
+    assert(base(r) == ja + sa);
+    assert(ja[0] == 0);
+    assert(count_equal::count == sa-1);
+
+    const int ib[] = {0, 1};
+    const unsigned sb = sizeof(ib)/sizeof(ib[0]);
+    int jb[sb] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(ib), InIter(ib+sb), OutIter(jb), count_equal());
+    assert(base(r) == jb + sb);
+    assert(jb[0] == 0);
+    assert(jb[1] == 1);
+    assert(count_equal::count == sb-1);
+
+    const int ic[] = {0, 0};
+    const unsigned sc = sizeof(ic)/sizeof(ic[0]);
+    int jc[sc] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(ic), InIter(ic+sc), OutIter(jc), count_equal());
+    assert(base(r) == jc + 1);
+    assert(jc[0] == 0);
+    assert(count_equal::count == sc-1);
+
+    const int id[] = {0, 0, 1};
+    const unsigned sd = sizeof(id)/sizeof(id[0]);
+    int jd[sd] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(id), InIter(id+sd), OutIter(jd), count_equal());
+    assert(base(r) == jd + 2);
+    assert(jd[0] == 0);
+    assert(jd[1] == 1);
+    assert(count_equal::count == sd-1);
+
+    const int ie[] = {0, 0, 1, 0};
+    const unsigned se = sizeof(ie)/sizeof(ie[0]);
+    int je[se] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(ie), InIter(ie+se), OutIter(je), count_equal());
+    assert(base(r) == je + 3);
+    assert(je[0] == 0);
+    assert(je[1] == 1);
+    assert(je[2] == 0);
+    assert(count_equal::count == se-1);
+
+    const int ig[] = {0, 0, 1, 1};
+    const unsigned sg = sizeof(ig)/sizeof(ig[0]);
+    int jg[sg] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(ig), InIter(ig+sg), OutIter(jg), count_equal());
+    assert(base(r) == jg + 2);
+    assert(jg[0] == 0);
+    assert(jg[1] == 1);
+    assert(count_equal::count == sg-1);
+
+    const int ih[] = {0, 1, 1};
+    const unsigned sh = sizeof(ih)/sizeof(ih[0]);
+    int jh[sh] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(ih), InIter(ih+sh), OutIter(jh), count_equal());
+    assert(base(r) == jh + 2);
+    assert(jh[0] == 0);
+    assert(jh[1] == 1);
+    assert(count_equal::count == sh-1);
+
+    const int ii[] = {0, 1, 1, 1, 2, 2, 2};
+    const unsigned si = sizeof(ii)/sizeof(ii[0]);
+    int ji[si] = {-1};
+    count_equal::count = 0;
+    r = std::unique_copy(InIter(ii), InIter(ii+si), OutIter(ji), count_equal());
+    assert(base(r) == ji + 3);
+    assert(ji[0] == 0);
+    assert(ji[1] == 1);
+    assert(ji[2] == 2);
+    assert(count_equal::count == si-1);
+}
+
+int main()
+{
+    test<input_iterator<const int*>, output_iterator<int*> >();
+    test<input_iterator<const int*>, forward_iterator<int*> >();
+    test<input_iterator<const int*>, bidirectional_iterator<int*> >();
+    test<input_iterator<const int*>, random_access_iterator<int*> >();
+    test<input_iterator<const int*>, int*>();
+
+    test<forward_iterator<const int*>, output_iterator<int*> >();
+    test<forward_iterator<const int*>, forward_iterator<int*> >();
+    test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
+    test<forward_iterator<const int*>, random_access_iterator<int*> >();
+    test<forward_iterator<const int*>, int*>();
+
+    test<bidirectional_iterator<const int*>, output_iterator<int*> >();
+    test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
+    test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
+    test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
+    test<bidirectional_iterator<const int*>, int*>();
+
+    test<random_access_iterator<const int*>, output_iterator<int*> >();
+    test<random_access_iterator<const int*>, forward_iterator<int*> >();
+    test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
+    test<random_access_iterator<const int*>, random_access_iterator<int*> >();
+    test<random_access_iterator<const int*>, int*>();
+
+    test<const int*, output_iterator<int*> >();
+    test<const int*, forward_iterator<int*> >();
+    test<const int*, bidirectional_iterator<int*> >();
+    test<const int*, random_access_iterator<int*> >();
+    test<const int*, int*>();
+}