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// Copyright (C) 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// Check constructor vtables work. This is included from numerous test
// files, which set the #defines necessary to specify the heirarchy.
#include <typeinfo>
#include <stdio.h>
// XXX. vcall offsets are still broken, remove this define to re-enable
// testing when fixed.
#define NO_VCALL_TEST
int fail;
template <typename BASE, typename DERIVED>
int Test (DERIVED *d, int expect)
{
BASE *b = static_cast <BASE *> (d);
void *full_b = dynamic_cast <void *> (b);
void *full_d = dynamic_cast <void *> (d);
if (full_b != full_d)
{
fail++;
fprintf (stderr, "base %s and derived %s have different full objects\n",
typeid (BASE).name (), typeid (DERIVED).name ());
return 1;
}
DERIVED *dynamic_d = dynamic_cast <DERIVED *> (b);
if (dynamic_d != d)
{
fail++;
fprintf (stderr, "dynamic_cast from %s to %s failed\n",
typeid (BASE).name (), typeid (DERIVED).name ());
return 1;
}
#ifndef NO_VCALL_TEST
b->Baz (static_cast <void *> (b));
int res = b->Foo (static_cast <void *> (d));
if (res != expect)
{
fail++;
fprintf (stderr, "%s::Foo returned %d, expected %d\n",
typeid (BASE).name (), res, expect);
return 1;
}
#endif
return 0;
}
template <typename T>
int Test (T *self, void *expected, int result)
{
if (self != expected)
{
fail++;
fprintf (stderr, "%s::Foo wrong this pointer\n", typeid (T).name ());
}
return result;
}
struct A {
#ifndef A_EMPTY
int a_m;
#endif
virtual int Foo (void *p) {return Test (this, p, 1);}
virtual int Baz (void *p) {return Test (this, p, 1);}
A ();
~A ();
};
struct B1: virtual A {
#ifndef B1_EMPTY
int b1_m;
#endif
virtual int Foo (void *p) {return Test (this, p, 2);}
B1();
~B1();
};
struct B2: virtual A {
#ifndef B2_EMPTY
int b2_m;
#endif
virtual int Foo (void *p) {return Test (this, p, 3);}
B2();
~B2();
};
struct Empty {};
struct C : C_PARENTS {
#ifndef C_EMPTY
int c_m;
#endif
virtual int Foo (void *p) {return Test (this, p, 4);}
C();
~C();
};
A::A ()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 1);
}
A::~A ()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 1);
}
B1::B1()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 2);
Test <B1> (this, 2);
}
B1::~B1()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 2);
Test <B1> (this, 2);
}
B2::B2()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 3);
Test <B2> (this, 3);
}
B2::~B2()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 3);
Test <B2> (this, 3);
}
C::C()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 4);
Test <C> (this, 4);
}
C::~C()
{
fprintf (stderr, "%s\n", __PRETTY_FUNCTION__);
Test <A> (this, 4);
Test <C> (this, 4);
}
struct D : C {};
struct D1 : virtual C {};
struct D2 : virtual A, virtual C {};
int main()
{
{
fprintf (stderr, "C\n");
C c;
}
{
fprintf (stderr, "D\n");
D d;
}
{
fprintf (stderr, "D1\n");
D1 d1;
}
{
fprintf (stderr, "D2\n");
D2 d2;
}
if (fail)
fprintf (stderr, "There are %d failings\n", fail);
else
fprintf (stderr, "Passed\n");
return fail ? 1 : 0;
}
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