libcxx initial import

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

test/numerics/rand/rand.util/rand.util.seedseq/iterator.pass.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// <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.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// class seed_seq;
+
+// template<class InputIterator>
+//     seed_seq(InputIterator begin, InputIterator end);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    unsigned a[5] = {5, 4, 3, 2, 1};
+    std::seed_seq s(a, a+5);
+    assert(s.size() == 5);
+    unsigned b[5] = {0};
+    s.param(b);
+    assert(b[0] == 5);
+    assert(b[1] == 4);
+    assert(b[2] == 3);
+    assert(b[3] == 2);
+    assert(b[4] == 1);
+}