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December 23, 2015 21:09
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Snippet from asl to test regular and movable semantics.
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namespace adobe { | |
// Precondition: x != T() | |
template <typename T> | |
void test_regular(const T& x) | |
{ | |
assert(x != T()); | |
T y = x; // Copy-construct | |
BOOST_CHECK(x == y); | |
T z; // Default-construcct | |
BOOST_CHECK(z != x); | |
z = y; // Assignment | |
BOOST_CHECK(x == z); | |
T w; | |
swap(y, w); | |
BOOST_CHECK(x == w && x != y && y == T()); | |
} | |
/* | |
Precondition: x != T(), remote_address(T) is defined. | |
*/ | |
template <typename T> | |
void test_movable(const T& x) | |
{ | |
assert(x != T()); | |
assert(is_movable<T>::value); | |
test_regular(x); | |
T y = x; | |
// move construction (and RVO) | |
const void* addr = remote_address(y); | |
T z = adobe::move(y); | |
BOOST_CHECK(y == T()); | |
BOOST_CHECK(z == x); | |
BOOST_CHECK(remote_address(z) == addr); | |
// move assignment | |
y = adobe::move(z); | |
BOOST_CHECK(z == T()); | |
BOOST_CHECK(y == x); | |
BOOST_CHECK(remote_address(y) == addr); | |
} | |
const void* remote_address(const string_t& x) | |
{ | |
assert(!x.empty()); | |
return x.begin(); | |
} | |
} // namespace adobe |
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