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/*
Copyright (C) 2000 Stefan Westerfeld [email protected]
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Permission is also granted to link this program with the Qt
library, treating Qt like a library that normally accompanies the
operating system kernel, whether or not that is in fact the case.
*/
#include "wrapper.h"
#include "test.h"
#include <iostream.h>
#include <stdio.h>
using namespace std;
using namespace Arts;
int active_d_objects = 0;
class D_impl: virtual public D_skel {
private:
long _value;
public:
void value(long newVal) { _value = newVal; }
long value() { return _value; }
D_impl() :_value(0) { active_d_objects++; }
~D_impl() { active_d_objects--; }
string a() { return "a"; }
string b() { return "b"; }
string c() { return "c"; }
string d() { return "d"; }
void dummy() { }
long sum(A v1, A v2) { return v1.value() + v2.value(); }
D self() { return D::_from_base(_copy()); }
};
REGISTER_IMPLEMENTATION(D_impl);
class B_impl: virtual public B_skel {
private:
long _value;
public:
void value(long newVal) { _value = newVal; }
long value() { return _value; }
B_impl() :_value(0) {}
string a() { return "a"; }
string b() { return "b"; }
};
REGISTER_IMPLEMENTATION(B_impl);
struct TestWrapper : public TestCase
{
TESTCASE(TestWrapper);
Arts::Dispatcher dispatcher;
/*
generic inheritance test, tests that using a D object, you
can call the a,b,c,d methods without problems
*/
TEST(genericInheritance)
{
D d;
/* implications of lazy creation */
testEquals(0, active_d_objects);
C c = d;
testEquals(0, active_d_objects);
string abcd = A(d).a()+d.b()+c.c()+d.d();
testEquals("abcd",abcd);
/*
should be exactly one here, not more than one through the various
assignments
*/
testEquals(1, active_d_objects);
Object o = d;
/* dynamic casting tests */
c = DynamicCast(o); // operator
testEquals(false, c.isNull());
testEquals("c", c.c());
C cc = DynamicCast(o); // constructor
testEquals(false, cc.isNull());
testEquals("c", cc.c());
A a = Reference(d.toString());
cc = DynamicCast(a);
testEquals(false, cc.isNull());
testEquals("c", cc.c());
/* isNull() and error() */
testEquals(false, d.isNull());
testEquals(false, d.error());
d = D::null();
testEquals(true, d.isNull());
testEquals(false, c.isNull());
testEquals(false, d.error());
/* reference counting */
c = C::null();
o = Object::null();
cc = C::null();
a = A::null();
testEquals(0, active_d_objects);
}
TEST(nullInAssign) {
B b;
B b2 = b;
b = B::null();
testEquals(true, b.isNull());
testEquals(false, b2.isNull());
}
TEST(coreference) {
B b3;
B b4=b3;
b3.value(3);
testEquals(3, b4.value());
}
D afunc(D arg)
{
arg.value(42);
return arg;
}
TEST(cacheAndArgs) {
/* test cache invalidation */
B b;
b.value(3); // stores 3 using parent method
testEquals(0, active_d_objects);
D d;
d.value(6);
testEquals(1, active_d_objects);
b = d; // uses operator, not constructor. should invalidate A::cacheOK
testEquals(6, b.value());
testEquals(1, active_d_objects);
A a = afunc(d);
testEquals(1, active_d_objects);
testEquals(42, a.value());
testEquals(42, b.value());
testEquals(42, d.value());
}
TEST(dynamicCastNull) {
D normalD;
D nullD = D::null();
A aNormalD = normalD;
A aNullD = nullD;
D d;
d = DynamicCast(aNormalD);
testEquals(false, d.isNull());
d = DynamicCast(aNullD);
testEquals(true, d.isNull());
}
TEST(stringification) {
D d;
d.value(5);
string s = d.toString();
D anotherD = Arts::Reference(s);
testEquals(false, anotherD.isNull());
testEquals(5, anotherD.value());
}
/*
unfortunately, this currently fails, because resolving a reference to a
non-existing object is not handled properly by the dispatcher - I am not
sure whether it is worth fixing it (which might be complicated)
TEST(stringificationFailures) {
D d;
d.value(5);
string s = d.toString();
d = D::null();
D anotherD = Arts::Reference(s);
testEquals(true, anotherD.isNull());
}*/
};
TESTMAIN(TestWrapper);
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