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-rw-r--r--src/boost/libs/hana/test/tuple/unpack.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/tuple/unpack.cpp b/src/boost/libs/hana/test/tuple/unpack.cpp
new file mode 100644
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+++ b/src/boost/libs/hana/test/tuple/unpack.cpp
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+// Copyright Louis Dionne 2013-2017
+// 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 <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/tuple.hpp>
+#include <boost/hana/type.hpp>
+#include <boost/hana/unpack.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+template <typename ...>
+struct F { struct type; };
+
+struct x0;
+struct x1;
+struct x2;
+struct x3;
+
+int main() {
+ hana::test::_injection<0> f{};
+
+ // tuple
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::make_tuple(), f),
+ f()
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::make_tuple(ct_eq<0>{}), f),
+ f(ct_eq<0>{})
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::make_tuple(ct_eq<0>{}, ct_eq<1>{}), f),
+ f(ct_eq<0>{}, ct_eq<1>{})
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::make_tuple(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), f),
+ f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
+ ));
+
+ // tuple_t
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<>, f),
+ f()
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0>, f),
+ f(hana::type_c<x0>)
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0, x1>, f),
+ f(hana::type_c<x0>, hana::type_c<x1>)
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0, x1, x2>, f),
+ f(hana::type_c<x0>, hana::type_c<x1>, hana::type_c<x2>)
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0, x1, x2, x3>, f),
+ f(hana::type_c<x0>, hana::type_c<x1>, hana::type_c<x2>, hana::type_c<x3>)
+ ));
+
+ // tuple_t with metafunction
+ auto g = hana::metafunction<F>;
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<>, g),
+ g()
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0>, g),
+ g(hana::type_c<x0>)
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0, x1>, g),
+ g(hana::type_c<x0>, hana::type_c<x1>)
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0, x1, x2>, g),
+ g(hana::type_c<x0>, hana::type_c<x1>, hana::type_c<x2>)
+ ));
+ BOOST_HANA_CONSTANT_CHECK(hana::equal(
+ hana::unpack(hana::tuple_t<x0, x1, x2, x3>, g),
+ g(hana::type_c<x0>, hana::type_c<x1>, hana::type_c<x2>, hana::type_c<x3>)
+ ));
+}