633a6c91a3
Clients can now pass multiple parent classes to RTTIExtends. Each parent class will be inherited from publicly (and non-virtually). The isa, cast, and dyn_cast methods will now work as expected for types with multiple inheritance.
144 lines
3.8 KiB
C++
144 lines
3.8 KiB
C++
//===------ unittests/ExtensibleRTTITest.cpp - Extensible RTTI Tests ------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/ExtensibleRTTI.h"
|
|
#include "llvm/Support/Casting.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
class MyBaseType : public RTTIExtends<MyBaseType, RTTIRoot> {
|
|
public:
|
|
static char ID;
|
|
};
|
|
|
|
class MyDerivedType : public RTTIExtends<MyDerivedType, MyBaseType> {
|
|
public:
|
|
static char ID;
|
|
};
|
|
|
|
class MyOtherDerivedType : public RTTIExtends<MyOtherDerivedType, MyBaseType> {
|
|
public:
|
|
static char ID;
|
|
};
|
|
|
|
class MyDeeperDerivedType
|
|
: public RTTIExtends<MyDeeperDerivedType, MyDerivedType> {
|
|
public:
|
|
static char ID;
|
|
};
|
|
|
|
class MyMultipleInheritanceType
|
|
: public RTTIExtends<MyMultipleInheritanceType, MyDerivedType,
|
|
MyOtherDerivedType> {
|
|
public:
|
|
static char ID;
|
|
};
|
|
|
|
class MyTypeWithConstructor
|
|
: public RTTIExtends<MyTypeWithConstructor, MyBaseType> {
|
|
public:
|
|
static char ID;
|
|
|
|
MyTypeWithConstructor(int) {}
|
|
};
|
|
|
|
class MyDerivedTypeWithConstructor
|
|
: public RTTIExtends<MyDerivedTypeWithConstructor, MyTypeWithConstructor> {
|
|
public:
|
|
static char ID;
|
|
|
|
MyDerivedTypeWithConstructor(int x) : RTTIExtends(x) {}
|
|
};
|
|
|
|
char MyBaseType::ID = 0;
|
|
char MyDerivedType::ID = 0;
|
|
char MyOtherDerivedType::ID = 0;
|
|
char MyDeeperDerivedType::ID = 0;
|
|
char MyMultipleInheritanceType::ID = 0;
|
|
char MyTypeWithConstructor::ID = 0;
|
|
char MyDerivedTypeWithConstructor::ID = 0;
|
|
|
|
TEST(ExtensibleRTTI, isa) {
|
|
MyBaseType B;
|
|
MyDerivedType D;
|
|
MyDeeperDerivedType DD;
|
|
MyMultipleInheritanceType MI;
|
|
|
|
EXPECT_TRUE(isa<MyBaseType>(B));
|
|
EXPECT_FALSE(isa<MyDerivedType>(B));
|
|
EXPECT_FALSE(isa<MyOtherDerivedType>(B));
|
|
EXPECT_FALSE(isa<MyDeeperDerivedType>(B));
|
|
|
|
EXPECT_TRUE(isa<MyBaseType>(D));
|
|
EXPECT_TRUE(isa<MyDerivedType>(D));
|
|
EXPECT_FALSE(isa<MyOtherDerivedType>(D));
|
|
EXPECT_FALSE(isa<MyDeeperDerivedType>(D));
|
|
|
|
EXPECT_TRUE(isa<MyBaseType>(DD));
|
|
EXPECT_TRUE(isa<MyDerivedType>(DD));
|
|
EXPECT_FALSE(isa<MyOtherDerivedType>(DD));
|
|
EXPECT_TRUE(isa<MyDeeperDerivedType>(DD));
|
|
|
|
EXPECT_TRUE(isa<MyBaseType>(MI));
|
|
EXPECT_TRUE(isa<MyDerivedType>(MI));
|
|
EXPECT_TRUE(isa<MyOtherDerivedType>(MI));
|
|
EXPECT_FALSE(isa<MyDeeperDerivedType>(MI));
|
|
EXPECT_TRUE(isa<MyMultipleInheritanceType>(MI));
|
|
}
|
|
|
|
TEST(ExtensibleRTTI, cast) {
|
|
MyMultipleInheritanceType MI;
|
|
MyDerivedType &D = MI;
|
|
MyOtherDerivedType &OD = MI;
|
|
MyBaseType &B = D;
|
|
|
|
EXPECT_EQ(&cast<MyBaseType>(D), &B);
|
|
EXPECT_EQ(&cast<MyDerivedType>(MI), &D);
|
|
EXPECT_EQ(&cast<MyOtherDerivedType>(MI), &OD);
|
|
EXPECT_EQ(&cast<MyMultipleInheritanceType>(MI), &MI);
|
|
}
|
|
|
|
TEST(ExtensibleRTTI, dyn_cast) {
|
|
MyMultipleInheritanceType MI;
|
|
MyDerivedType &D = MI;
|
|
MyOtherDerivedType &OD = MI;
|
|
MyBaseType &BD = D;
|
|
MyBaseType &BOD = OD;
|
|
|
|
EXPECT_EQ(dyn_cast<MyBaseType>(&BD), &BD);
|
|
EXPECT_EQ(dyn_cast<MyDerivedType>(&BD), &D);
|
|
|
|
EXPECT_EQ(dyn_cast<MyBaseType>(&BOD), &BOD);
|
|
EXPECT_EQ(dyn_cast<MyOtherDerivedType>(&BOD), &OD);
|
|
|
|
EXPECT_EQ(dyn_cast<MyBaseType>(&D), &BD);
|
|
EXPECT_EQ(dyn_cast<MyDerivedType>(&D), &D);
|
|
EXPECT_EQ(dyn_cast<MyMultipleInheritanceType>(&D), &MI);
|
|
|
|
EXPECT_EQ(dyn_cast<MyBaseType>(&OD), &BOD);
|
|
EXPECT_EQ(dyn_cast<MyOtherDerivedType>(&OD), &OD);
|
|
EXPECT_EQ(dyn_cast<MyMultipleInheritanceType>(&OD), &MI);
|
|
|
|
EXPECT_EQ(dyn_cast<MyDerivedType>(&MI), &D);
|
|
EXPECT_EQ(dyn_cast<MyMultipleInheritanceType>(&MI), &MI);
|
|
|
|
EXPECT_EQ(dyn_cast<MyDerivedType>(&MI), &D);
|
|
EXPECT_EQ(dyn_cast<MyOtherDerivedType>(&MI), &OD);
|
|
EXPECT_EQ(dyn_cast<MyMultipleInheritanceType>(&MI), &MI);
|
|
}
|
|
|
|
TEST(ExtensibleRTTI, multiple_inheritance_constructor) {
|
|
MyDerivedTypeWithConstructor V(42);
|
|
}
|
|
|
|
} // namespace
|