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-rw-r--r--src/boost/libs/hana/test/pair/cnstr.memberwise.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/pair/cnstr.memberwise.cpp b/src/boost/libs/hana/test/pair/cnstr.memberwise.cpp
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+++ b/src/boost/libs/hana/test/pair/cnstr.memberwise.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/first.hpp>
+#include <boost/hana/pair.hpp>
+#include <boost/hana/second.hpp>
+namespace hana = boost::hana;
+
+
+struct MoveOnly {
+ int data_;
+ MoveOnly(MoveOnly const&) = delete;
+ MoveOnly& operator=(MoveOnly const&) = delete;
+ MoveOnly(int data) : data_(data) { }
+ MoveOnly(MoveOnly&& x) : data_(x.data_) { x.data_ = 0; }
+
+ MoveOnly& operator=(MoveOnly&& x)
+ { data_ = x.data_; x.data_ = 0; return *this; }
+
+ bool operator==(const MoveOnly& x) const { return data_ == x.data_; }
+};
+
+class FromInt {
+ int data_;
+public:
+ constexpr FromInt(int data) : data_(data) { }
+ constexpr bool operator==(const FromInt& x) const { return data_ == x.data_; }
+};
+
+int main() {
+ //////////////////////////////////////////////////////////////////////////
+ // Check for the pair(T&&, U&&) constructor
+ //////////////////////////////////////////////////////////////////////////
+ {
+ hana::pair<MoveOnly, short*> p(MoveOnly{3}, nullptr);
+ BOOST_HANA_RUNTIME_CHECK(hana::first(p) == MoveOnly{3});
+ BOOST_HANA_RUNTIME_CHECK(hana::second(p) == nullptr);
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ // Check for the pair(First const&, Second const&) constructor
+ //////////////////////////////////////////////////////////////////////////
+ {
+ hana::pair<float, short*> p1(3.5f, 0);
+ BOOST_HANA_RUNTIME_CHECK(hana::first(p1) == 3.5f);
+ BOOST_HANA_RUNTIME_CHECK(hana::second(p1) == nullptr);
+
+ // brace init
+ hana::pair<float, short*> p2 = {3.5f, 0};
+ BOOST_HANA_RUNTIME_CHECK(hana::first(p2) == 3.5f);
+ BOOST_HANA_RUNTIME_CHECK(hana::second(p2) == nullptr);
+ }
+ {
+ hana::pair<FromInt, int> p1(1, 2);
+ BOOST_HANA_RUNTIME_CHECK(hana::first(p1) == FromInt(1));
+ BOOST_HANA_RUNTIME_CHECK(hana::second(p1) == 2);
+
+ // brace init
+ hana::pair<FromInt, int> p2 = {1, 2};
+ BOOST_HANA_RUNTIME_CHECK(hana::first(p2) == FromInt(1));
+ BOOST_HANA_RUNTIME_CHECK(hana::second(p2) == 2);
+ }
+
+ // Make sure the above works constexpr too
+ {
+ constexpr hana::pair<float, short*> p1(3.5f, 0);
+ static_assert(hana::first(p1) == 3.5f, "");
+ static_assert(hana::second(p1) == nullptr, "");
+
+ // brace init
+ constexpr hana::pair<float, short*> p2 = {3.5f, 0};
+ static_assert(hana::first(p2) == 3.5f, "");
+ static_assert(hana::second(p2) == nullptr, "");
+ }
+ {
+ constexpr hana::pair<FromInt, int> p1(1, 2);
+ static_assert(hana::first(p1) == FromInt(1), "");
+ static_assert(hana::second(p1) == 2, "");
+
+ // brace init
+ constexpr hana::pair<FromInt, int> p2 = {1, 2};
+ static_assert(hana::first(p2) == FromInt(1), "");
+ static_assert(hana::second(p2) == 2, "");
+ }
+}