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Copy pathtest_inheritance.cpp
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248 lines (197 loc) · 5.69 KB
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#define SOL_CHECK_ARGUMENTS
#include <sol.hpp>
#include <catch.hpp>
#include <iostream>
TEST_CASE("inheritance/basic", "test that metatables are properly inherited") {
struct A {
int a = 5;
};
struct B {
int b() {
return 10;
}
};
struct C : B, A {
double c = 2.4;
};
struct D : C {
bool d() const {
return true;
}
};
sol::state lua;
lua.new_usertype<A>("A",
"a", &A::a
);
lua.new_usertype<B>("B",
"b", &B::b
);
lua.new_usertype<C>("C",
"c", &C::c,
sol::base_classes, sol::bases<B, A>()
);
lua.new_usertype<D>("D",
"d", &D::d,
sol::base_classes, sol::bases<C, B, A>()
);
lua.script("obj = D.new()");
lua.script("d = obj:d()");
bool d = lua["d"];
lua.script("c = obj.c");
double c = lua["c"];
lua.script("b = obj:b()");
int b = lua["b"];
lua.script("a = obj.a");
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") {
class TestClass00 {
public:
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;
};
sol::state lua;
sol::usertype<TestClass00> s_TestUsertype00(
sol::call_constructor, sol::constructors<sol::types<>>(),
"Thing", &TestClass00::Thing
);
lua.set_usertype("TestClass00", s_TestUsertype00);
sol::usertype<TestClass01> s_TestUsertype01(
sol::call_constructor, sol::constructors<sol::types<>, sol::types<const TestClass00&>>(),
sol::base_classes, sol::bases<TestClass00>(),
"a", &TestClass01::a
);
lua.set_usertype("TestClass01", s_TestUsertype01);
sol::usertype<TestClass02> s_TestUsertype02(
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
);
lua.set_usertype("TestClass02", s_TestUsertype02);
sol::usertype<TestClass03> s_TestUsertype03(
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
);
lua.set_usertype("TestClass03", s_TestUsertype03);
lua.script(R"(
tc0 = TestClass00()
)");
lua.script(R"(
tc2 = TestClass02(tc0)
)");
lua.script(R"(
tc1 = TestClass01()
)");
lua.script(R"(
tc3 = TestClass03(tc1)
)");
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/simple-multi-base", "test that multiple bases all work and overloading for constructors works with them") {
class TestClass00 {
public:
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;
};
sol::state lua;
sol::simple_usertype<TestClass00> s_TestUsertype00( lua,
sol::call_constructor, sol::constructors<sol::types<>>(),
"Thing", &TestClass00::Thing
);
lua.set_usertype("TestClass00", s_TestUsertype00);
sol::simple_usertype<TestClass01> s_TestUsertype01( lua,
sol::call_constructor, sol::constructors<sol::types<>, sol::types<const TestClass00&>>(),
sol::base_classes, sol::bases<TestClass00>(),
"a", &TestClass01::a
);
lua.set_usertype("TestClass01", s_TestUsertype01);
sol::simple_usertype<TestClass02> s_TestUsertype02( lua,
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
);
lua.set_usertype("TestClass02", s_TestUsertype02);
sol::simple_usertype<TestClass03> s_TestUsertype03( lua,
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
);
lua.set_usertype("TestClass03", s_TestUsertype03);
lua.script(R"(
tc0 = TestClass00()
)");
lua.script(R"(
tc2 = TestClass02(tc0)
)");
lua.script(R"(
tc1 = TestClass01()
)");
lua.script(R"(
tc3 = TestClass03(tc1)
)");
TestClass00& tc0 = lua["tc0"];
TestClass01& tc1 = lua["tc1"];
TestClass02& tc2 = lua["tc2"];
TestClass03& tc3 = lua["tc3"];
REQUIRE(tc1.a == 1);
REQUIRE(tc2.a == 1);
REQUIRE(tc2.b == 123);
REQUIRE(tc3.a == 1);
REQUIRE(tc3.b == 2);
REQUIRE(tc3.c == 1);
}