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Diffstat (limited to 'ext/pybind11/tests/test_issues.py')
| -rw-r--r-- | ext/pybind11/tests/test_issues.py | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/ext/pybind11/tests/test_issues.py b/ext/pybind11/tests/test_issues.py deleted file mode 100644 index e60b5ca90..000000000 --- a/ext/pybind11/tests/test_issues.py +++ /dev/null @@ -1,251 +0,0 @@ -import pytest -from pybind11_tests import ConstructorStats - - -def test_regressions(): - from pybind11_tests.issues import print_cchar, print_char - - # #137: const char* isn't handled properly - assert print_cchar("const char *") == "const char *" - # #150: char bindings broken - assert print_char("c") == "c" - - -def test_dispatch_issue(msg): - """#159: virtual function dispatch has problems with similar-named functions""" - from pybind11_tests.issues import DispatchIssue, dispatch_issue_go - - class PyClass1(DispatchIssue): - def dispatch(self): - return "Yay.." - - class PyClass2(DispatchIssue): - def dispatch(self): - with pytest.raises(RuntimeError) as excinfo: - super(PyClass2, self).dispatch() - assert msg(excinfo.value) == 'Tried to call pure virtual function "Base::dispatch"' - - p = PyClass1() - return dispatch_issue_go(p) - - b = PyClass2() - assert dispatch_issue_go(b) == "Yay.." - - -def test_reference_wrapper(): - """#171: Can't return reference wrappers (or STL data structures containing them)""" - from pybind11_tests.issues import Placeholder, return_vec_of_reference_wrapper - - assert str(return_vec_of_reference_wrapper(Placeholder(4))) == \ - "[Placeholder[1], Placeholder[2], Placeholder[3], Placeholder[4]]" - - -def test_iterator_passthrough(): - """#181: iterator passthrough did not compile""" - from pybind11_tests.issues import iterator_passthrough - - assert list(iterator_passthrough(iter([3, 5, 7, 9, 11, 13, 15]))) == [3, 5, 7, 9, 11, 13, 15] - - -def test_shared_ptr_gc(): - """// #187: issue involving std::shared_ptr<> return value policy & garbage collection""" - from pybind11_tests.issues import ElementList, ElementA - - el = ElementList() - for i in range(10): - el.add(ElementA(i)) - pytest.gc_collect() - for i, v in enumerate(el.get()): - assert i == v.value() - - -def test_no_id(msg): - from pybind11_tests.issues import get_element, expect_float, expect_int - - with pytest.raises(TypeError) as excinfo: - get_element(None) - assert msg(excinfo.value) == """ - get_element(): incompatible function arguments. The following argument types are supported: - 1. (arg0: m.issues.ElementA) -> int - - Invoked with: None - """ - - with pytest.raises(TypeError) as excinfo: - expect_int(5.2) - assert msg(excinfo.value) == """ - expect_int(): incompatible function arguments. The following argument types are supported: - 1. (arg0: int) -> int - - Invoked with: 5.2 - """ - assert expect_float(12) == 12 - - -def test_str_issue(msg): - """Issue #283: __str__ called on uninitialized instance when constructor arguments invalid""" - from pybind11_tests.issues import StrIssue - - assert str(StrIssue(3)) == "StrIssue[3]" - - with pytest.raises(TypeError) as excinfo: - str(StrIssue("no", "such", "constructor")) - assert msg(excinfo.value) == """ - __init__(): incompatible constructor arguments. The following argument types are supported: - 1. m.issues.StrIssue(arg0: int) - 2. m.issues.StrIssue() - - Invoked with: 'no', 'such', 'constructor' - """ - - -def test_nested(): - """ #328: first member in a class can't be used in operators""" - from pybind11_tests.issues import NestA, NestB, NestC, get_NestA, get_NestB, get_NestC - - a = NestA() - b = NestB() - c = NestC() - - a += 10 - assert get_NestA(a) == 13 - b.a += 100 - assert get_NestA(b.a) == 103 - c.b.a += 1000 - assert get_NestA(c.b.a) == 1003 - b -= 1 - assert get_NestB(b) == 3 - c.b -= 3 - assert get_NestB(c.b) == 1 - c *= 7 - assert get_NestC(c) == 35 - - abase = a.as_base() - assert abase.value == -2 - a.as_base().value += 44 - assert abase.value == 42 - assert c.b.a.as_base().value == -2 - c.b.a.as_base().value += 44 - assert c.b.a.as_base().value == 42 - - del c - pytest.gc_collect() - del a # Should't delete while abase is still alive - pytest.gc_collect() - - assert abase.value == 42 - del abase, b - pytest.gc_collect() - - -def test_move_fallback(): - from pybind11_tests.issues import get_moveissue1, get_moveissue2 - m2 = get_moveissue2(2) - assert m2.value == 2 - m1 = get_moveissue1(1) - assert m1.value == 1 - - -def test_override_ref(): - from pybind11_tests.issues import OverrideTest - o = OverrideTest("asdf") - - # Not allowed (see associated .cpp comment) - # i = o.str_ref() - # assert o.str_ref() == "asdf" - assert o.str_value() == "asdf" - - assert o.A_value().value == "hi" - a = o.A_ref() - assert a.value == "hi" - a.value = "bye" - assert a.value == "bye" - - -def test_operators_notimplemented(capture): - from pybind11_tests.issues import OpTest1, OpTest2 - with capture: - c1, c2 = OpTest1(), OpTest2() - c1 + c1 - c2 + c2 - c2 + c1 - c1 + c2 - assert capture == """ - Add OpTest1 with OpTest1 - Add OpTest2 with OpTest2 - Add OpTest2 with OpTest1 - Add OpTest2 with OpTest1 - """ - - -def test_iterator_rvpolicy(): - """ Issue 388: Can't make iterators via make_iterator() with different r/v policies """ - from pybind11_tests.issues import make_iterator_1 - from pybind11_tests.issues import make_iterator_2 - - assert list(make_iterator_1()) == [1, 2, 3] - assert list(make_iterator_2()) == [1, 2, 3] - assert not isinstance(make_iterator_1(), type(make_iterator_2())) - - -def test_dupe_assignment(): - """ Issue 461: overwriting a class with a function """ - from pybind11_tests.issues import dupe_exception_failures - assert dupe_exception_failures() == [] - - -def test_enable_shared_from_this_with_reference_rvp(): - """ Issue #471: shared pointer instance not dellocated """ - from pybind11_tests import SharedParent, SharedChild - - parent = SharedParent() - child = parent.get_child() - - cstats = ConstructorStats.get(SharedChild) - assert cstats.alive() == 1 - del child, parent - assert cstats.alive() == 0 - - -def test_non_destructed_holders(): - """ Issue #478: unique ptrs constructed and freed without destruction """ - from pybind11_tests import SpecialHolderObj - - a = SpecialHolderObj(123) - b = a.child() - - assert a.val == 123 - assert b.val == 124 - - cstats = SpecialHolderObj.holder_cstats() - assert cstats.alive() == 1 - del b - assert cstats.alive() == 1 - del a - assert cstats.alive() == 0 - - -def test_complex_cast(capture): - """ Issue #484: number conversion generates unhandled exceptions """ - from pybind11_tests.issues import test_complex - - with capture: - test_complex(1) - test_complex(2j) - - assert capture == """ - 1.0 - (0.0, 2.0) - """ - - -def test_inheritance_override_def_static(): - from pybind11_tests.issues import MyBase, MyDerived - - b = MyBase.make() - d1 = MyDerived.make2() - d2 = MyDerived.make() - - assert isinstance(b, MyBase) - assert isinstance(d1, MyDerived) - assert isinstance(d2, MyDerived) |