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dynamic_cast3.pass.cpp
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//===----------------------------------------------------------------------===//
//
// 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 <cassert>
#include "support/timer.h"
// This test explicitly tests dynamic cast with types that have inaccessible
// bases.
#if defined(__clang__)
# pragma clang diagnostic ignored "-Winaccessible-base"
#elif defined(__GNUC__)
# pragma GCC diagnostic ignored "-Winaccessible-base"
#endif
/*
A1 A2 A3
*/
namespace t1
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
{
char _[93481];
virtual ~A3() {}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA3()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == 0);
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t1
/*
A1 A2
|
A3
*/
namespace t2
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: public A1
{
char _[93481];
virtual ~A3() {}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA3()) == 0);
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t2
namespace t3
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: public virtual A1
{
char _[93481];
virtual ~A3() {}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA3()) == 0);
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t3
namespace t4
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private A1
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA3()) == 0);
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t4
namespace t5
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private virtual A1
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA3()) == 0);
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t5
/*
A1 A2
\ /
A3
*/
namespace t6
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: public A1,
public A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t6
namespace t7
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: public virtual A1,
public A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t7
namespace t8
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private A1,
public A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t8
namespace t9
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private virtual A1,
public A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t9
namespace t10
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: public virtual A1,
public virtual A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t10
namespace t11
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private A1,
public virtual A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t11
namespace t12
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private virtual A1,
public virtual A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t12
namespace t13
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private A1,
private A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t13
namespace t14
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private virtual A1,
private A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t14
namespace t15
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
{
char _[34981];
virtual ~A2() {}
A2* getA2() {return this;}
};
struct A3
: private virtual A1,
private virtual A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == 0);
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == 0);
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == 0);
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == 0);
assert(dynamic_cast<A3*>(a3.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t15
/*
A1
|
A2
|
A3
*/
namespace t16
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
: public A1
{
char _[34981];
virtual ~A2() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
};
struct A3
: public A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA1()) == a2.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == a2.getA1());
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA1()) == a2.getA2());
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t16
namespace t17
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
: public virtual A1
{
char _[34981];
virtual ~A2() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
};
struct A3
: public A2
{
char _[93481];
virtual ~A3() {}
A1* getA1() {return this;}
A2* getA2() {return this;}
A3* getA3() {return this;}
};
void test()
{
A1 a1;
A2 a2;
A3 a3;
assert(dynamic_cast<A1*>(a1.getA1()) == a1.getA1());
assert(dynamic_cast<A1*>(a2.getA1()) == a2.getA1());
assert(dynamic_cast<A1*>(a2.getA2()) == a2.getA1());
assert(dynamic_cast<A1*>(a3.getA1()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA2()) == a3.getA1());
assert(dynamic_cast<A1*>(a3.getA3()) == a3.getA1());
assert(dynamic_cast<A2*>(a1.getA1()) == 0);
assert(dynamic_cast<A2*>(a2.getA1()) == a2.getA2());
assert(dynamic_cast<A2*>(a2.getA2()) == a2.getA2());
assert(dynamic_cast<A2*>(a3.getA1()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA2()) == a3.getA2());
assert(dynamic_cast<A2*>(a3.getA3()) == a3.getA2());
assert(dynamic_cast<A3*>(a1.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA1()) == 0);
assert(dynamic_cast<A3*>(a2.getA2()) == 0);
assert(dynamic_cast<A3*>(a3.getA1()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA2()) == a3.getA3());
assert(dynamic_cast<A3*>(a3.getA3()) == a3.getA3());
}
} // t17
namespace t18
{
struct A1
{
char _[43981];
virtual ~A1() {}
A1* getA1() {return this;}
};
struct A2
: private A1
{
char _[34981];
virtual ~A2() {}
A1* getA1() {return this;}