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# tag: cpp,cpp11
# mode: compile
# tag: no-cpp-locals
# TODO cpp_locals works fine with the standard library that comes with gcc11
# but not with gcc8. Therefore disable the test for now
cdef extern from *:
"""
class NoAssignIterator {
public:
explicit NoAssignIterator(int pos) : pos_(pos) {}
NoAssignIterator(NoAssignIterator&) = delete;
NoAssignIterator(NoAssignIterator&&) {}
NoAssignIterator& operator=(NoAssignIterator&) = delete;
NoAssignIterator& operator=(NoAssignIterator&&) { return *this; }
// Default constructor of temp variable is needed by Cython
// as of 3.0a6.
NoAssignIterator() : pos_(0) {}
int operator*() {
return pos_;
}
NoAssignIterator operator++() {
return NoAssignIterator(pos_ + 1);
}
int operator!=(NoAssignIterator other) {
return pos_ != other.pos_;
}
int pos_;
};
class NoAssign {
public:
NoAssign() {}
NoAssign(NoAssign&) = delete;
NoAssign(NoAssign&&) {}
NoAssign& operator=(NoAssign&) = delete;
NoAssign& operator=(NoAssign&&) { return *this; }
void func() {}
NoAssignIterator begin() {
return NoAssignIterator(0);
}
NoAssignIterator end() {
return NoAssignIterator(2);
}
};
NoAssign get_NoAssign_Py() {
return NoAssign();
}
NoAssign get_NoAssign_Cpp() {
return NoAssign();
}
"""
cdef cppclass NoAssignIterator:
int operator*()
NoAssignIterator operator++()
int operator!=(NoAssignIterator)
cdef cppclass NoAssign:
void func()
NoAssignIterator begin()
NoAssignIterator end()
# might raise Python exception (thus needs a temp)
NoAssign get_NoAssign_Py() except *
# might raise C++ exception (thus needs a temp)
NoAssign get_NoAssign_Cpp() except +
cdef internal_cpp_func(NoAssign arg):
pass
def test_call_to_function():
# will fail to compile if move constructors aren't used
internal_cpp_func(get_NoAssign_Py())
internal_cpp_func(get_NoAssign_Cpp())
def test_assignment_to_name():
# will fail if move constructors aren't used
cdef NoAssign value
value = get_NoAssign_Py()
value = get_NoAssign_Cpp()
def test_assignment_to_scope():
cdef NoAssign value
value = get_NoAssign_Py()
value = get_NoAssign_Cpp()
def inner():
value.func()
cdef class AssignToClassAttr:
cdef NoAssign attr
def __init__(self):
self.attr = get_NoAssign_Py()
self.attr = get_NoAssign_Cpp()
def test_generator_cpp_iterator_as_temp():
for i in get_NoAssign_Py():
yield i
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