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cast pointer to std::tuple and std::pair (#2334)

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This commit is contained in:
Marcin Wojdyr
2020-07-28 21:44:19 +02:00
committed by GitHub
parent c51b3f436d
commit 8e40e389fd
3 changed files with 18 additions and 0 deletions
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4
tests/test_builtin_casters.cpp
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@@ -117,12 +117,16 @@ TEST_SUBMODULE(builtin_casters, m) {
return std::make_pair(RValueCaster{}, std::make_tuple(RValueCaster{}, std::make_pair(RValueCaster{}, RValueCaster{}))); });
m.def("lvalue_nested", []() -> const decltype(lvnested) & { return lvnested; });
static std::pair<int, std::string> int_string_pair{2, "items"};
m.def("int_string_pair", []() { return &int_string_pair; });
// test_builtins_cast_return_none
m.def("return_none_string", []() -> std::string * { return nullptr; });
m.def("return_none_char", []() -> const char * { return nullptr; });
m.def("return_none_bool", []() -> bool * { return nullptr; });
m.def("return_none_int", []() -> int * { return nullptr; });
m.def("return_none_float", []() -> float * { return nullptr; });
m.def("return_none_pair", []() -> std::pair<int,int> * { return nullptr; });
// test_none_deferred
m.def("defer_none_cstring", [](char *) { return false; });

3
tests/test_builtin_casters.py
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@@ -250,6 +250,8 @@ def test_tuple(doc):
assert m.rvalue_nested() == ("rvalue", ("rvalue", ("rvalue", "rvalue")))
assert m.lvalue_nested() == ("lvalue", ("lvalue", ("lvalue", "lvalue")))
assert m.int_string_pair() == (2, "items")
def test_builtins_cast_return_none():
"""Casters produced with PYBIND11_TYPE_CASTER() should convert nullptr to None"""
@@ -258,6 +260,7 @@ def test_builtins_cast_return_none():
assert m.return_none_bool() is None
assert m.return_none_int() is None
assert m.return_none_float() is None
assert m.return_none_pair() is None
def test_none_deferred():