mirror of
https://github.com/pybind/pybind11.git
synced 2025-02-20 07:30:40 +00:00
Convert test_multiple_inheritance to new style
Significant rearrangement, but no new tests added.
This commit is contained in:
Jason Rhinelander
parent
793726014d
commit
44a17e1f3d
@ -11,47 +11,74 @@
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#include "pybind11_tests.h"
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#include "constructor_stats.h"
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struct Base1 {
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Base1(int i) : i(i) { }
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int foo() { return i; }
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int i;
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};
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struct Base2 {
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Base2(int i) : i(i) { }
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int bar() { return i; }
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int i;
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};
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// Many bases for testing that multiple inheritance from many classes (i.e. requiring extra
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// space for holder constructed flags) works.
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template <int N> struct BaseN {
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BaseN(int i) : i(i) { }
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int i;
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};
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struct Base12 : Base1, Base2 {
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Base12(int i, int j) : Base1(i), Base2(j) { }
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// test_mi_static_properties
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struct Vanilla {
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std::string vanilla() { return "Vanilla"; };
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};
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struct MIType : Base12 {
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MIType(int i, int j) : Base12(i, j) { }
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struct WithStatic1 {
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static std::string static_func1() { return "WithStatic1"; };
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static int static_value1;
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};
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struct WithStatic2 {
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static std::string static_func2() { return "WithStatic2"; };
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static int static_value2;
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};
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struct VanillaStaticMix1 : Vanilla, WithStatic1, WithStatic2 {
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static std::string static_func() { return "VanillaStaticMix1"; }
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static int static_value;
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};
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struct VanillaStaticMix2 : WithStatic1, Vanilla, WithStatic2 {
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static std::string static_func() { return "VanillaStaticMix2"; }
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static int static_value;
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};
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int WithStatic1::static_value1 = 1;
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int WithStatic2::static_value2 = 2;
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int VanillaStaticMix1::static_value = 12;
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int VanillaStaticMix2::static_value = 12;
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test_initializer multiple_inheritance([](py::module &m) {
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TEST_SUBMODULE(multiple_inheritance, m) {
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// test_multiple_inheritance_mix1
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// test_multiple_inheritance_mix2
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struct Base1 {
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Base1(int i) : i(i) { }
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int foo() { return i; }
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int i;
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};
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py::class_<Base1> b1(m, "Base1");
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b1.def(py::init<int>())
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.def("foo", &Base1::foo);
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struct Base2 {
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Base2(int i) : i(i) { }
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int bar() { return i; }
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int i;
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};
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py::class_<Base2> b2(m, "Base2");
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b2.def(py::init<int>())
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.def("bar", &Base2::bar);
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py::class_<Base12, Base1, Base2>(m, "Base12");
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// test_multiple_inheritance_cpp
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struct Base12 : Base1, Base2 {
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Base12(int i, int j) : Base1(i), Base2(j) { }
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};
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struct MIType : Base12 {
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MIType(int i, int j) : Base12(i, j) { }
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};
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py::class_<Base12, Base1, Base2>(m, "Base12");
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py::class_<MIType, Base12>(m, "MIType")
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.def(py::init<int, int>());
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// Many bases for testing that multiple inheritance from many classes (i.e. requiring extra
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// space for holder constructed flags) works.
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// test_multiple_inheritance_python_many_bases
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#define PYBIND11_BASEN(N) py::class_<BaseN<N>>(m, "BaseN" #N).def(py::init<int>()).def("f" #N, [](BaseN<N> &b) { return b.i + N; })
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PYBIND11_BASEN( 1); PYBIND11_BASEN( 2); PYBIND11_BASEN( 3); PYBIND11_BASEN( 4);
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PYBIND11_BASEN( 5); PYBIND11_BASEN( 6); PYBIND11_BASEN( 7); PYBIND11_BASEN( 8);
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@ -67,55 +94,50 @@ test_initializer multiple_inheritance([](py::module &m) {
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// };
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// py::class_<Base12v2>(m, "Base12v2", b1, b2)
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// .def(py::init<int, int>());
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});
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/* Test the case where not all base classes are specified,
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and where pybind11 requires the py::multiple_inheritance
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flag to perform proper casting between types */
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struct Base1a {
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Base1a(int i) : i(i) { }
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int foo() { return i; }
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int i;
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};
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struct Base2a {
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Base2a(int i) : i(i) { }
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int bar() { return i; }
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int i;
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};
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struct Base12a : Base1a, Base2a {
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Base12a(int i, int j) : Base1a(i), Base2a(j) { }
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};
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test_initializer multiple_inheritance_nonexplicit([](py::module &m) {
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// test_multiple_inheritance_virtbase
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// Test the case where not all base classes are specified, and where pybind11 requires the
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// py::multiple_inheritance flag to perform proper casting between types.
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struct Base1a {
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Base1a(int i) : i(i) { }
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int foo() { return i; }
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int i;
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};
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py::class_<Base1a, std::shared_ptr<Base1a>>(m, "Base1a")
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.def(py::init<int>())
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.def("foo", &Base1a::foo);
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struct Base2a {
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Base2a(int i) : i(i) { }
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int bar() { return i; }
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int i;
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};
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py::class_<Base2a, std::shared_ptr<Base2a>>(m, "Base2a")
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.def(py::init<int>())
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.def("bar", &Base2a::bar);
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struct Base12a : Base1a, Base2a {
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Base12a(int i, int j) : Base1a(i), Base2a(j) { }
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};
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py::class_<Base12a, /* Base1 missing */ Base2a,
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std::shared_ptr<Base12a>>(m, "Base12a", py::multiple_inheritance())
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.def(py::init<int, int>());
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m.def("bar_base2a", [](Base2a *b) { return b->bar(); });
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m.def("bar_base2a_sharedptr", [](std::shared_ptr<Base2a> b) { return b->bar(); });
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});
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// Issue #801: invalid casting to derived type with MI bases
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struct I801B1 { int a = 1; virtual ~I801B1() = default; };
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struct I801B2 { int b = 2; virtual ~I801B2() = default; };
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struct I801C : I801B1, I801B2 {};
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struct I801D : I801C {}; // Indirect MI
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// Unregistered classes:
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struct I801B3 { int c = 3; virtual ~I801B3() = default; };
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struct I801E : I801B3, I801D {};
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// test_mi_unaligned_base
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// test_mi_base_return
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// Issue #801: invalid casting to derived type with MI bases
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struct I801B1 { int a = 1; virtual ~I801B1() = default; };
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struct I801B2 { int b = 2; virtual ~I801B2() = default; };
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struct I801C : I801B1, I801B2 {};
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struct I801D : I801C {}; // Indirect MI
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// Unregistered classes:
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struct I801B3 { int c = 3; virtual ~I801B3() = default; };
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struct I801E : I801B3, I801D {};
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test_initializer multiple_inheritance_casting([](py::module &m) {
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py::class_<I801B1, std::shared_ptr<I801B1>>(m, "I801B1").def(py::init<>()).def_readonly("a", &I801B1::a);
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py::class_<I801B2, std::shared_ptr<I801B2>>(m, "I801B2").def(py::init<>()).def_readonly("b", &I801B2::b);
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py::class_<I801C, I801B1, I801B2, std::shared_ptr<I801C>>(m, "I801C").def(py::init<>());
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@ -141,46 +163,9 @@ test_initializer multiple_inheritance_casting([](py::module &m) {
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// isn't pybind-registered (and uses multiple-inheritance to offset the pybind base)
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m.def("i801e_c", []() -> I801C * { return new I801E(); });
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m.def("i801e_b2", []() -> I801B2 * { return new I801E(); });
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});
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struct Vanilla {
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std::string vanilla() { return "Vanilla"; };
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};
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struct WithStatic1 {
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static std::string static_func1() { return "WithStatic1"; };
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static int static_value1;
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};
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struct WithStatic2 {
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static std::string static_func2() { return "WithStatic2"; };
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static int static_value2;
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};
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struct WithDict { };
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struct VanillaStaticMix1 : Vanilla, WithStatic1, WithStatic2 {
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static std::string static_func() { return "VanillaStaticMix1"; }
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static int static_value;
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};
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struct VanillaStaticMix2 : WithStatic1, Vanilla, WithStatic2 {
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static std::string static_func() { return "VanillaStaticMix2"; }
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static int static_value;
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};
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struct VanillaDictMix1 : Vanilla, WithDict { };
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struct VanillaDictMix2 : WithDict, Vanilla { };
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int WithStatic1::static_value1 = 1;
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int WithStatic2::static_value2 = 2;
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int VanillaStaticMix1::static_value = 12;
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int VanillaStaticMix2::static_value = 12;
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test_initializer mi_static_properties([](py::module &pm) {
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auto m = pm.def_submodule("mi");
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// test_mi_static_properties
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py::class_<Vanilla>(m, "Vanilla")
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.def(py::init<>())
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.def("vanilla", &Vanilla::vanilla);
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@ -207,9 +192,13 @@ test_initializer mi_static_properties([](py::module &pm) {
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.def_static("static_func", &VanillaStaticMix2::static_func)
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.def_readwrite_static("static_value", &VanillaStaticMix2::static_value);
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#if !defined(PYPY_VERSION)
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struct WithDict { };
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struct VanillaDictMix1 : Vanilla, WithDict { };
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struct VanillaDictMix2 : WithDict, Vanilla { };
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py::class_<WithDict>(m, "WithDict", py::dynamic_attr()).def(py::init<>());
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py::class_<VanillaDictMix1, Vanilla, WithDict>(m, "VanillaDictMix1").def(py::init<>());
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py::class_<VanillaDictMix2, WithDict, Vanilla>(m, "VanillaDictMix2").def(py::init<>());
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#endif
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});
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}
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@ -1,19 +1,16 @@
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import pytest
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from pybind11_tests import ConstructorStats
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from pybind11_tests import multiple_inheritance as m
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def test_multiple_inheritance_cpp():
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from pybind11_tests import MIType
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mt = MIType(3, 4)
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mt = m.MIType(3, 4)
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assert mt.foo() == 3
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assert mt.bar() == 4
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def test_multiple_inheritance_mix1():
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from pybind11_tests import Base2
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class Base1:
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def __init__(self, i):
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self.i = i
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@ -21,10 +18,10 @@ def test_multiple_inheritance_mix1():
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def foo(self):
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return self.i
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class MITypePy(Base1, Base2):
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class MITypePy(Base1, m.Base2):
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def __init__(self, i, j):
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Base1.__init__(self, i)
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Base2.__init__(self, j)
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m.Base2.__init__(self, j)
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mt = MITypePy(3, 4)
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@ -33,7 +30,6 @@ def test_multiple_inheritance_mix1():
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def test_multiple_inheritance_mix2():
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from pybind11_tests import Base1
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class Base2:
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def __init__(self, i):
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@ -42,9 +38,9 @@ def test_multiple_inheritance_mix2():
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def bar(self):
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return self.i
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class MITypePy(Base1, Base2):
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class MITypePy(m.Base1, Base2):
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def __init__(self, i, j):
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Base1.__init__(self, i)
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m.Base1.__init__(self, i)
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Base2.__init__(self, j)
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mt = MITypePy(3, 4)
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@ -54,41 +50,40 @@ def test_multiple_inheritance_mix2():
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def test_multiple_inheritance_python():
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from pybind11_tests import Base1, Base2
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class MI1(Base1, Base2):
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class MI1(m.Base1, m.Base2):
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def __init__(self, i, j):
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Base1.__init__(self, i)
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Base2.__init__(self, j)
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m.Base1.__init__(self, i)
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m.Base2.__init__(self, j)
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class B1(object):
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def v(self):
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return 1
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class MI2(B1, Base1, Base2):
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class MI2(B1, m.Base1, m.Base2):
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def __init__(self, i, j):
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B1.__init__(self)
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Base1.__init__(self, i)
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Base2.__init__(self, j)
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m.Base1.__init__(self, i)
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m.Base2.__init__(self, j)
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class MI3(MI2):
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def __init__(self, i, j):
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MI2.__init__(self, i, j)
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class MI4(MI3, Base2):
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class MI4(MI3, m.Base2):
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def __init__(self, i, j, k):
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MI2.__init__(self, j, k)
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Base2.__init__(self, i)
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m.Base2.__init__(self, i)
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class MI5(Base2, B1, Base1):
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class MI5(m.Base2, B1, m.Base1):
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def __init__(self, i, j):
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B1.__init__(self)
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Base1.__init__(self, i)
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Base2.__init__(self, j)
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m.Base1.__init__(self, i)
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m.Base2.__init__(self, j)
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class MI6(Base2, B1):
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class MI6(m.Base2, B1):
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def __init__(self, i):
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Base2.__init__(self, i)
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m.Base2.__init__(self, i)
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B1.__init__(self)
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class B2(B1):
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@ -160,47 +155,45 @@ def test_multiple_inheritance_python():
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def test_multiple_inheritance_python_many_bases():
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from pybind11_tests import (BaseN1, BaseN2, BaseN3, BaseN4, BaseN5, BaseN6, BaseN7,
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BaseN8, BaseN9, BaseN10, BaseN11, BaseN12, BaseN13, BaseN14,
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BaseN15, BaseN16, BaseN17)
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class MIMany14(BaseN1, BaseN2, BaseN3, BaseN4):
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class MIMany14(m.BaseN1, m.BaseN2, m.BaseN3, m.BaseN4):
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def __init__(self):
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BaseN1.__init__(self, 1)
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BaseN2.__init__(self, 2)
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BaseN3.__init__(self, 3)
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BaseN4.__init__(self, 4)
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m.BaseN1.__init__(self, 1)
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m.BaseN2.__init__(self, 2)
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m.BaseN3.__init__(self, 3)
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m.BaseN4.__init__(self, 4)
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class MIMany58(BaseN5, BaseN6, BaseN7, BaseN8):
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class MIMany58(m.BaseN5, m.BaseN6, m.BaseN7, m.BaseN8):
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def __init__(self):
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BaseN5.__init__(self, 5)
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BaseN6.__init__(self, 6)
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BaseN7.__init__(self, 7)
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BaseN8.__init__(self, 8)
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m.BaseN5.__init__(self, 5)
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m.BaseN6.__init__(self, 6)
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m.BaseN7.__init__(self, 7)
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m.BaseN8.__init__(self, 8)
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class MIMany916(BaseN9, BaseN10, BaseN11, BaseN12, BaseN13, BaseN14, BaseN15, BaseN16):
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class MIMany916(m.BaseN9, m.BaseN10, m.BaseN11, m.BaseN12, m.BaseN13, m.BaseN14, m.BaseN15,
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m.BaseN16):
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def __init__(self):
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BaseN9.__init__(self, 9)
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BaseN10.__init__(self, 10)
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BaseN11.__init__(self, 11)
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BaseN12.__init__(self, 12)
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BaseN13.__init__(self, 13)
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BaseN14.__init__(self, 14)
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BaseN15.__init__(self, 15)
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BaseN16.__init__(self, 16)
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m.BaseN9.__init__(self, 9)
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m.BaseN10.__init__(self, 10)
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m.BaseN11.__init__(self, 11)
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m.BaseN12.__init__(self, 12)
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m.BaseN13.__init__(self, 13)
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m.BaseN14.__init__(self, 14)
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m.BaseN15.__init__(self, 15)
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m.BaseN16.__init__(self, 16)
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class MIMany19(MIMany14, MIMany58, BaseN9):
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class MIMany19(MIMany14, MIMany58, m.BaseN9):
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def __init__(self):
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MIMany14.__init__(self)
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MIMany58.__init__(self)
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BaseN9.__init__(self, 9)
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m.BaseN9.__init__(self, 9)
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class MIMany117(MIMany14, MIMany58, MIMany916, BaseN17):
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class MIMany117(MIMany14, MIMany58, MIMany916, m.BaseN17):
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def __init__(self):
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MIMany14.__init__(self)
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MIMany58.__init__(self)
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MIMany916.__init__(self)
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BaseN17.__init__(self, 17)
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m.BaseN17.__init__(self, 17)
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# Inherits from 4 registered C++ classes: can fit in one pointer on any modern arch:
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a = MIMany14()
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@ -224,31 +217,29 @@ def test_multiple_inheritance_python_many_bases():
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def test_multiple_inheritance_virtbase():
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from pybind11_tests import Base12a, bar_base2a, bar_base2a_sharedptr
|
||||
|
||||
class MITypePy(Base12a):
|
||||
class MITypePy(m.Base12a):
|
||||
def __init__(self, i, j):
|
||||
Base12a.__init__(self, i, j)
|
||||
m.Base12a.__init__(self, i, j)
|
||||
|
||||
mt = MITypePy(3, 4)
|
||||
assert mt.bar() == 4
|
||||
assert bar_base2a(mt) == 4
|
||||
assert bar_base2a_sharedptr(mt) == 4
|
||||
assert m.bar_base2a(mt) == 4
|
||||
assert m.bar_base2a_sharedptr(mt) == 4
|
||||
|
||||
|
||||
def test_mi_static_properties():
|
||||
"""Mixing bases with and without static properties should be possible
|
||||
and the result should be independent of base definition order"""
|
||||
from pybind11_tests import mi
|
||||
|
||||
for d in (mi.VanillaStaticMix1(), mi.VanillaStaticMix2()):
|
||||
for d in (m.VanillaStaticMix1(), m.VanillaStaticMix2()):
|
||||
assert d.vanilla() == "Vanilla"
|
||||
assert d.static_func1() == "WithStatic1"
|
||||
assert d.static_func2() == "WithStatic2"
|
||||
assert d.static_func() == d.__class__.__name__
|
||||
|
||||
mi.WithStatic1.static_value1 = 1
|
||||
mi.WithStatic2.static_value2 = 2
|
||||
m.WithStatic1.static_value1 = 1
|
||||
m.WithStatic2.static_value2 = 2
|
||||
assert d.static_value1 == 1
|
||||
assert d.static_value2 == 2
|
||||
assert d.static_value == 12
|
||||
@ -264,30 +255,28 @@ def test_mi_static_properties():
|
||||
@pytest.unsupported_on_pypy
|
||||
def test_mi_dynamic_attributes():
|
||||
"""Mixing bases with and without dynamic attribute support"""
|
||||
from pybind11_tests import mi
|
||||
|
||||
for d in (mi.VanillaDictMix1(), mi.VanillaDictMix2()):
|
||||
for d in (m.VanillaDictMix1(), m.VanillaDictMix2()):
|
||||
d.dynamic = 1
|
||||
assert d.dynamic == 1
|
||||
|
||||
|
||||
def test_mi_unaligned_base():
|
||||
"""Returning an offset (non-first MI) base class pointer should recognize the instance"""
|
||||
from pybind11_tests import I801C, I801D, i801b1_c, i801b2_c, i801b1_d, i801b2_d
|
||||
|
||||
n_inst = ConstructorStats.detail_reg_inst()
|
||||
|
||||
c = I801C()
|
||||
d = I801D()
|
||||
c = m.I801C()
|
||||
d = m.I801D()
|
||||
# + 4 below because we have the two instances, and each instance has offset base I801B2
|
||||
assert ConstructorStats.detail_reg_inst() == n_inst + 4
|
||||
b1c = i801b1_c(c)
|
||||
b1c = m.i801b1_c(c)
|
||||
assert b1c is c
|
||||
b2c = i801b2_c(c)
|
||||
b2c = m.i801b2_c(c)
|
||||
assert b2c is c
|
||||
b1d = i801b1_d(d)
|
||||
b1d = m.i801b1_d(d)
|
||||
assert b1d is d
|
||||
b2d = i801b2_d(d)
|
||||
b2d = m.i801b2_d(d)
|
||||
assert b2d is d
|
||||
|
||||
assert ConstructorStats.detail_reg_inst() == n_inst + 4 # no extra instances
|
||||
@ -299,30 +288,28 @@ def test_mi_unaligned_base():
|
||||
|
||||
def test_mi_base_return():
|
||||
"""Tests returning an offset (non-first MI) base class pointer to a derived instance"""
|
||||
from pybind11_tests import (I801B2, I801C, I801D, i801c_b1, i801c_b2, i801d_b1, i801d_b2,
|
||||
i801e_c, i801e_b2)
|
||||
|
||||
n_inst = ConstructorStats.detail_reg_inst()
|
||||
|
||||
c1 = i801c_b1()
|
||||
assert type(c1) is I801C
|
||||
c1 = m.i801c_b1()
|
||||
assert type(c1) is m.I801C
|
||||
assert c1.a == 1
|
||||
assert c1.b == 2
|
||||
|
||||
d1 = i801d_b1()
|
||||
assert type(d1) is I801D
|
||||
d1 = m.i801d_b1()
|
||||
assert type(d1) is m.I801D
|
||||
assert d1.a == 1
|
||||
assert d1.b == 2
|
||||
|
||||
assert ConstructorStats.detail_reg_inst() == n_inst + 4
|
||||
|
||||
c2 = i801c_b2()
|
||||
assert type(c2) is I801C
|
||||
c2 = m.i801c_b2()
|
||||
assert type(c2) is m.I801C
|
||||
assert c2.a == 1
|
||||
assert c2.b == 2
|
||||
|
||||
d2 = i801d_b2()
|
||||
assert type(d2) is I801D
|
||||
d2 = m.i801d_b2()
|
||||
assert type(d2) is m.I801D
|
||||
assert d2.a == 1
|
||||
assert d2.b == 2
|
||||
|
||||
@ -336,11 +323,11 @@ def test_mi_base_return():
|
||||
# Returning an unregistered derived type with a registered base; we won't
|
||||
# pick up the derived type, obviously, but should still work (as an object
|
||||
# of whatever type was returned).
|
||||
e1 = i801e_c()
|
||||
assert type(e1) is I801C
|
||||
e1 = m.i801e_c()
|
||||
assert type(e1) is m.I801C
|
||||
assert e1.a == 1
|
||||
assert e1.b == 2
|
||||
|
||||
e2 = i801e_b2()
|
||||
assert type(e2) is I801B2
|
||||
e2 = m.i801e_b2()
|
||||
assert type(e2) is m.I801B2
|
||||
assert e2.b == 2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user