sol2/tests/runtime_tests/source/inheritance.cpp

260 lines
7.4 KiB
C++

// sol3
// The MIT License (MIT)
// Copyright (c) 2013-2018 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "sol_test.hpp"
#include <catch.hpp>
#include <iostream>
class TestClass00 {
public:
TestClass00() {
}
int Thing() const {
return 123;
}
};
class TestClass01 : public TestClass00 {
public:
TestClass01() : a(1) {
}
TestClass01(const TestClass00& other) : a(other.Thing()) {
}
int a;
};
class TestClass02 : public TestClass01 {
public:
TestClass02() : b(2) {
}
TestClass02(const TestClass01& other) : b(other.a) {
}
TestClass02(const TestClass00& other) : b(other.Thing()) {
}
int b;
};
class TestClass03 : public TestClass02 {
public:
TestClass03() : c(2) {
}
TestClass03(const TestClass02& other) : c(other.b) {
}
TestClass03(const TestClass01& other) : c(other.a) {
}
TestClass03(const TestClass00& other) : c(other.Thing()) {
}
int c;
};
struct inh_test_A {
int a = 5;
};
struct inh_test_B {
int b() {
return 10;
}
};
struct inh_test_C : inh_test_B, inh_test_A {
double c = 2.4;
};
struct inh_test_D : inh_test_C {
bool d() const {
return true;
}
};
SOL_BASE_CLASSES(TestClass03, TestClass02);
SOL_BASE_CLASSES(TestClass02, TestClass01);
SOL_BASE_CLASSES(TestClass01, TestClass00);
SOL_DERIVED_CLASSES(TestClass02, TestClass03);
SOL_DERIVED_CLASSES(TestClass01, TestClass02);
SOL_DERIVED_CLASSES(TestClass00, TestClass01);
SOL_BASE_CLASSES(inh_test_D, inh_test_C);
SOL_BASE_CLASSES(inh_test_C, inh_test_B, inh_test_A);
SOL_DERIVED_CLASSES(inh_test_C, inh_test_D);
SOL_DERIVED_CLASSES(inh_test_B, inh_test_C);
SOL_DERIVED_CLASSES(inh_test_A, inh_test_B);
TEST_CASE("inheritance/basic", "test that metatables are properly inherited") {
sol::state lua;
int begintop = 0, endtop = 0;
lua.new_usertype<inh_test_A>("A", "a", &inh_test_A::a);
lua.new_usertype<inh_test_B>("B", "b", &inh_test_B::b);
lua.new_usertype<inh_test_C>("C", "c", &inh_test_C::c, sol::base_classes, sol::bases<inh_test_B, inh_test_A>());
lua.new_usertype<inh_test_D>("D", "d", &inh_test_D::d, sol::base_classes, sol::bases<inh_test_C, inh_test_B, inh_test_A>());
test_stack_guard tsg(lua, begintop, endtop);
auto result1 = lua.safe_script("obj = D.new()", sol::script_pass_on_error);
REQUIRE(result1.valid());
auto result2 = lua.safe_script("d = obj:d()", sol::script_pass_on_error);
REQUIRE(result2.valid());
bool d = lua["d"];
auto result3 = lua.safe_script("c = obj.c", sol::script_pass_on_error);
REQUIRE(result3.valid());
double c = lua["c"];
auto result4 = lua.safe_script("b = obj:b()", sol::script_pass_on_error);
REQUIRE(result4.valid());
int b = lua["b"];
auto result5 = lua.safe_script("a = obj.a", sol::script_pass_on_error);
REQUIRE(result5.valid());
int a = lua["a"];
REQUIRE(d);
REQUIRE(c == 2.4);
REQUIRE(b == 10);
REQUIRE(a == 5);
}
TEST_CASE("inheritance/multi base", "test that multiple bases all work and overloading for constructors works with them") {
sol::state lua;
sol::usertype<TestClass00> s_TestUsertype00
= lua.new_usertype<TestClass00>("TestClass00", sol::call_constructor, sol::constructors<TestClass00()>(), "Thing", &TestClass00::Thing);
sol::usertype<TestClass01> s_TestUsertype01 = lua.new_usertype<TestClass01>("TestClass01",
sol::call_constructor,
sol::constructors<sol::types<>, sol::types<const TestClass00&>>(),
sol::base_classes,
sol::bases<TestClass00>(),
"a",
&TestClass01::a);
sol::usertype<TestClass02> s_TestUsertype02 = lua.new_usertype<TestClass02>("TestClass02",
sol::call_constructor,
sol::constructors<sol::types<>, sol::types<const TestClass01&>, sol::types<const TestClass00&>>(),
sol::base_classes,
sol::bases<TestClass01, TestClass00>(),
"b",
&TestClass02::b);
sol::usertype<TestClass03> s_TestUsertype03 = lua.new_usertype<TestClass03>("TestClass03",
sol::call_constructor,
sol::constructors<sol::types<>, sol::types<const TestClass02&>, sol::types<const TestClass01&>, sol::types<const TestClass00&>>(),
sol::base_classes,
sol::bases<TestClass02, TestClass01, TestClass00>(),
"c",
&TestClass03::c);
auto result1 = lua.safe_script(R"(
tc0 = TestClass00()
tc2 = TestClass02(tc0)
tc1 = TestClass01()
tc3 = TestClass03(tc1)
)",
sol::script_pass_on_error);
REQUIRE(result1.valid());
TestClass00& tc0 = lua["tc0"];
TestClass01& tc1 = lua["tc1"];
TestClass02& tc2 = lua["tc2"];
TestClass03& tc3 = lua["tc3"];
REQUIRE(tc0.Thing() == 123);
REQUIRE(tc1.a == 1);
REQUIRE(tc2.a == 1);
REQUIRE(tc2.b == 123);
REQUIRE(tc3.a == 1);
REQUIRE(tc3.b == 2);
REQUIRE(tc3.c == 1);
}
TEST_CASE("inheritance/runtime multi base", "test that multiple bases all work and overloading for constructors works with them when just using sol::bases") {
struct runtime_A {
int a = 5;
};
struct runtime_B {
int b2 = 46;
int b() {
return 10;
}
};
struct runtime_C : runtime_B, runtime_A {
double c = 2.4;
};
struct runtime_D : runtime_C {
bool d() const {
return true;
}
};
sol::state lua;
lua.new_usertype<runtime_A>("A", "a", &runtime_A::a);
lua.new_usertype<runtime_B>("B", "b", &runtime_B::b);
lua.new_usertype<runtime_C>("C", "c", &runtime_C::c, sol::base_classes, sol::bases<runtime_B, runtime_A>());
lua.new_usertype<runtime_D>("D", "d", &runtime_D::d, sol::base_classes, sol::bases<runtime_C, runtime_B, runtime_A>());
auto result1 = lua.safe_script("obj = D.new()", sol::script_pass_on_error);
REQUIRE(result1.valid());
auto result2 = lua.safe_script("d = obj:d()", sol::script_pass_on_error);
REQUIRE(result2.valid());
bool d = lua["d"];
auto result3 = lua.safe_script("c = obj.c", sol::script_pass_on_error);
REQUIRE(result3.valid());
double c = lua["c"];
auto result4 = lua.safe_script("b = obj:b()", sol::script_pass_on_error);
REQUIRE(result4.valid());
int b = lua["b"];
auto result5 = lua.safe_script("a = obj.a", sol::script_pass_on_error);
REQUIRE(result5.valid());
int a = lua["a"];
REQUIRE(d);
REQUIRE(c == 2.4);
REQUIRE(b == 10);
REQUIRE(a == 5);
runtime_D& d_obj = lua["obj"];
REQUIRE(d_obj.d());
REQUIRE(d_obj.c == 2.4);
REQUIRE(d_obj.b() == 10);
REQUIRE(d_obj.b2 == 46);
REQUIRE(d_obj.a == 5);
runtime_C& c_obj = lua["obj"];
REQUIRE(c_obj.c == 2.4);
REQUIRE(c_obj.b() == 10);
REQUIRE(c_obj.b2 == 46);
REQUIRE(c_obj.a == 5);
runtime_B& b_obj = lua["obj"];
REQUIRE(b_obj.b() == 10);
REQUIRE(b_obj.b2 == 46);
runtime_A& a_obj = lua["obj"];
REQUIRE(a_obj.a == 5);
}