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Added tests for move conversion between optional<T> and optional<U>

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This commit is contained in:
Andrzej Krzemienski
2014-04-28 16:51:49 +02:00
parent 3816143646
commit 01b22a0ff0
2 changed files with 82 additions and 1 deletions
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54
test/optional_test_move.cpp
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@ -239,6 +239,8 @@ public:
private:
MoveOnly(MoveOnly const&);
void operator=(MoveOnly const&);
friend class MoveOnlyB;
};
void test_with_move_only()
@ -262,6 +264,56 @@ void test_with_move_only()
BOOST_CHECK(o4->val == 0);
}
class MoveOnlyB
{
public:
int val;
MoveOnlyB(int v) : val(v) {}
MoveOnlyB(MoveOnlyB&& rhs) : val(rhs.val) { rhs.val = 0; }
void operator=(MoveOnlyB&& rhs) {val = rhs.val; rhs.val = 0; }
MoveOnlyB(MoveOnly&& rhs) : val(rhs.val) { rhs.val = 0; }
void operator=(MoveOnly&& rhs) {val = rhs.val; rhs.val = 0; }
private:
MoveOnlyB(MoveOnlyB const&);
void operator=(MoveOnlyB const&);
MoveOnlyB(MoveOnly const&);
void operator=(MoveOnly const&);
};
void test_move_assign_from_optional_U()
{
optional<MoveOnly> a((MoveOnly(2)));
optional<MoveOnlyB> b1;
b1 = boost::move(a);
BOOST_CHECK(b1);
BOOST_CHECK(b1->val == 2);
BOOST_CHECK(a);
BOOST_CHECK(a->val == 0);
b1 = MoveOnly(4);
BOOST_CHECK(b1);
BOOST_CHECK(b1->val == 4);
}
void test_move_ctor_from_optional_U()
{
optional<MoveOnly> a((MoveOnly(2)));
optional<MoveOnlyB> b1(boost::move(a));
BOOST_CHECK(b1);
BOOST_CHECK(b1->val == 2);
BOOST_CHECK(a);
BOOST_CHECK(a->val == 0);
optional<MoveOnlyB> b2(( optional<MoveOnly>(( MoveOnly(4) )) ));
BOOST_CHECK(b2);
BOOST_CHECK(b2->val == 4);
}
// these 4 classes have different noexcept signatures in move operations
struct NothrowBoth {
NothrowBoth(NothrowBoth&&) BOOST_NOEXCEPT_IF(true) {};
@ -312,9 +364,11 @@ int test_main( int, char* [] )
test_move_ctor_from_U();
test_move_ctor_form_T();
test_move_ctor_from_optional_T();
test_move_ctor_from_optional_U();
test_move_assign_from_U();
test_move_assign_from_T();
test_move_assign_from_optional_T();
test_move_assign_from_optional_U();
test_with_move_only();
#endif
}