[view] Add a few automatic unit tests

Author: ldionne

test/view/auto/_specs.hpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_HANA_TEST_VIEW_AUTO_SPECS_HPP
+#define BOOST_HANA_TEST_VIEW_AUTO_SPECS_HPP
+
+#include <boost/hana/tuple.hpp>
+#include <boost/hana/view.hpp>
+
+#include <memory>
+#include <vector>
+
+
+// If we want to use the automatic testing, we need to allocate the containers
+// over which we create views, otherwise the lifetime won't work.
+template <typename ...T>
+auto MAKE_TUPLE(T&& ...t) {
+    using Tuple = boost::hana::tuple<typename std::decay<T>::type...>;
+    static std::vector<std::unique_ptr<Tuple>> pool;
+    pool.push_back(std::make_unique<Tuple>(std::forward<T>(t)...));
+    return boost::hana::make_view(*pool.back().get());
+}
+
+#define MAKE_TUPLE(...) ::boost::hana::make_tuple(__VA_ARGS__)
+#define TUPLE_TYPE(...) ::boost::hana::view<::boost::hana::tuple<__VA_ARGS__>>
+#define TUPLE_TAG ::boost::hana::view_tag
+
+#endif // !BOOST_HANA_TEST_VIEW_AUTO_SPECS_HPP

test/view/auto/at.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/at.hpp>
+
+int main() { }

test/view/auto/drop_front.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/drop_front.hpp>
+
+int main() { }

test/view/auto/drop_while.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/drop_while.hpp>
+
+int main() { }

test/view/auto/for_each.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/for_each.hpp>
+
+int main() { }

test/view/auto/is_empty.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/is_empty.hpp>
+
+int main() { }

test/view/auto/lexicographical_compare.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/lexicographical_compare.hpp>
+
+int main() { }

test/view/auto/slice.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/slice.hpp>
+
+int main() { }

test/view/auto/transform.cpp

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+// Copyright Louis Dionne 2013-2016
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include "_specs.hpp"
+#include <auto/transform.hpp>
+
+int main() { }