| import pytest |
| |
| |
| def test_string_list(): |
| from pybind11_tests import StringList, ClassWithSTLVecProperty, print_opaque_list |
| |
| l = StringList() |
| l.push_back("Element 1") |
| l.push_back("Element 2") |
| assert print_opaque_list(l) == "Opaque list: [Element 1, Element 2]" |
| assert l.back() == "Element 2" |
| |
| for i, k in enumerate(l, start=1): |
| assert k == "Element {}".format(i) |
| l.pop_back() |
| assert print_opaque_list(l) == "Opaque list: [Element 1]" |
| |
| cvp = ClassWithSTLVecProperty() |
| assert print_opaque_list(cvp.stringList) == "Opaque list: []" |
| |
| cvp.stringList = l |
| cvp.stringList.push_back("Element 3") |
| assert print_opaque_list(cvp.stringList) == "Opaque list: [Element 1, Element 3]" |
| |
| |
| def test_pointers(msg): |
| from pybind11_tests import (return_void_ptr, get_void_ptr_value, ExampleMandA, |
| print_opaque_list, return_null_str, get_null_str_value, |
| return_unique_ptr, ConstructorStats) |
| |
| living_before = ConstructorStats.get(ExampleMandA).alive() |
| assert get_void_ptr_value(return_void_ptr()) == 0x1234 |
| assert get_void_ptr_value(ExampleMandA()) # Should also work for other C++ types |
| assert ConstructorStats.get(ExampleMandA).alive() == living_before |
| |
| with pytest.raises(TypeError) as excinfo: |
| get_void_ptr_value([1, 2, 3]) # This should not work |
| assert msg(excinfo.value) == """ |
| get_void_ptr_value(): incompatible function arguments. The following argument types are supported: |
| 1. (arg0: capsule) -> int |
| |
| Invoked with: [1, 2, 3] |
| """ # noqa: E501 line too long |
| |
| assert return_null_str() is None |
| assert get_null_str_value(return_null_str()) is not None |
| |
| ptr = return_unique_ptr() |
| assert "StringList" in repr(ptr) |
| assert print_opaque_list(ptr) == "Opaque list: [some value]" |