define required properties through unit test

This commit is contained in:
Fischlurch 2009-07-04 03:33:15 +02:00
parent 3cc49d0f68
commit ec2e4e36ea
4 changed files with 272 additions and 43 deletions

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@ -271,6 +271,11 @@ return: 0
END
TEST "inline type erasure" OpaqueHolder_test <<END
return: 0
END
TEST "RemoveFromSet_test" RemoveFromSet_test <<END
out: removed nothing ---> \[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, \]
out: removed 0 ---> \[ 1, 2, 3, 4, 5, 6, 7, 8, 9, \]

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@ -59,7 +59,8 @@ test_lib_SOURCES = \
$(testlib_srcdir)/query/queryutilstest.cpp \
$(testlib_srcdir)/removefromsettest.cpp \
$(testlib_srcdir)/sanitizedidentifiertest.cpp \
$(testlib_srcdir)/scoped-holder-test.cpp \
$(testlib_srcdir)/opaque-holder-test.cpp \
$(testlib_srcdir)/scoped-holder-test.cpp \
$(testlib_srcdir)/scopedholdertransfertest.cpp \
$(testlib_srcdir)/scoped-ptrvect-test.cpp \
$(testlib_srcdir)/singletonsubclasstest.cpp \

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@ -0,0 +1,225 @@
/*
OpaqueHolder(Test) - check the inline type erasure helper
Copyright (C) Lumiera.org
2009, Hermann Vosseler <Ichthyostega@web.de>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
#include "lib/test/run.hpp"
#include "lib/test/test-helper.hpp"
#include "lib/util.hpp"
#include "lib/opaque-holder.hpp"
#include "lib/bool-checkable.hpp"
#include <iostream>
#include <vector>
namespace lib {
namespace test{
using ::Test;
using util::isnil;
using util::for_each;
using util::isSameObject;
using std::vector;
using std::cout;
using std::endl;
namespace { // test dummy hierarchy
// Note: no vtable and common storage
long _checksum = 0;
struct Base
{
uint id_;
Base(uint i=0) : id_(i) { _checksum +=id_; }
uint getIt() { return id_; }
};
template<uint ii>
struct DD : Base
{
DD() : Base(ii) { }
~DD() { _checksum -= ii; }
};
struct Special
: DD<7>
, BoolCheckable<Special>
{
uint myVal_;
Special (uint val)
: myVal_(val)
{ }
bool
isValid () const
{
return myVal_ % 2;
}
};
}
typedef OpaqueHolder<Base> Opaque;
typedef vector<Opaque> TestList;
/**********************************************************************************
* @test use the OpaqueHolder inline buffer to handle a family of classes
* through a common interface, without being forced to use heap storage
* or a custom allocator.
*/
class OpaqueHolder_test : public Test
{
virtual void
run (Arg)
{
_checksum = 0;
{
TestList objs = createDummies ();
for_each (objs, reAccess);
checkHandling (objs);
checkSpecialSubclass ();
}
ASSERT (0 == _checksum); // all dead
}
TestList
createDummies ()
{
TestList list;
list.push_back (DD<1>());
list.push_back (DD<3>());
list.push_back (DD<5>());
list.push_back (DD<7>());
return list;
}
static void
reAccess (Opaque& elm)
{
cout << elm->getIt() << endl;
}
void
checkHandling (TestList& objs)
{
Opaque oo;
ASSERT (!oo);
ASSERT (isnil(oo));
oo = objs[1];
ASSERT (oo);
ASSERT (!isnil(oo));
typedef DD<3> D3;
typedef DD<5> D5;
D3 d3 (oo.get<D3>() );
ASSERT (3 == oo->getIt());
ASSERT (isSameObject (d3, *oo));
VERIFY_ERROR (WRONG_TYPE, oo.get<D5>() );
oo = D5();
ASSERT (oo);
ASSERT (5 == oo->getIt());
VERIFY_ERROR (WRONG_TYPE, oo.get<D3>() );
oo.clear();
ASSERT (!oo);
ASSERT (isnil(oo));
Opaque o1 (oo);
ASSERT (!o1);
Opaque o2 (d3);
ASSERT (!isSameObject (d3, *oo));
ASSERT (3 == oo->getIt());
ASSERT (sizeof(Opaque) == sizeof(Base) + sizeof(void*));
}
void
checkSpecialSubclass ()
{
// define a "special" OpaqueHolder with enough storage to hold a Special
typedef OpaqueHolder<Base, sizeof(Special)> SpecialOpaque;
ASSERT (sizeof(Special) > sizeof(Base));
ASSERT (sizeof(SpecialOpaque) > sizeof(Opaque));
ASSERT (sizeof(SpecialOpaque) == sizeof(Special) + sizeof(void*));
Special s1 (6);
Special s2 (3);
ASSERT (!s1); // even value
ASSERT (s2); // odd value
ASSERT (7 == s1.getIt()); // indeed subclass of DD<7>
ASSERT (7 == s2.getIt());
SpecialOpaque ospe0;
SpecialOpaque ospe1 (s1);
SpecialOpaque ospe2 (s2);
ASSERT (!ospe0); // note: bool test (isValid)
ASSERT (!ospe1); // also forwarded to contained object (myVal_==6 is even)
ASSERT ( ospe2);
ASSERT ( isnil(ospe0)); // while isnil just checks the empty state
ASSERT (!isnil(ospe1));
ASSERT (!isnil(ospe2));
ASSERT (7 == ospe1->getIt());
ASSERT (5 == ospe1.get<Special>().myVal_);
ASSERT (6 == ospe2.get<Special>().myVal_);
ospe1 = DD<5>(); // but can be reassigned like any normal Opaque
ASSERT (ospe1);
ASSERT (5 == ospe1->getIt());
VERIFY_ERROR (WRONG_TYPE, ospe1.get<Special>() );
Opaque normal = DD<5>();
ASSERT (normal);
ASSERT (5 == normal->getIt());
#if false ////////////////////////////////////////////////////////TODO: restore throwing ASSERT
// Assertion protects against SEGV
VERIFY_ERROR (ASSERTION, normal = s1 );
#endif////////////////////////////////////////////////////////////
}
};
LAUNCHER (OpaqueHolder_test, "unit common");
}} // namespace lib::test

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@ -26,48 +26,46 @@
namespace lib {
namespace test {
namespace test{
namespace { // yet another test dummy
long checksum = 0;
bool throw_in_ctor = false;
class Dummy
: boost::noncopyable
{
int val_;
public:
Dummy ()
: val_(1 + (rand() % 100000000))
{
checksum += val_;
if (throw_in_ctor)
throw val_;
}
~Dummy()
{
checksum -= val_;
}
long add (int i) { return val_+i; }
protected:
int getVal() const { return val_; }
void
setVal (int newVal)
{
checksum += newVal - val_;
val_ = newVal;
}
};
namespace { // yet another test dummy
long checksum = 0;
bool throw_in_ctor = false;
class Dummy
: boost::noncopyable
{
int val_;
}// anonymous test dummy
}// namespace test
} // namespace lib
public:
Dummy ()
: val_(1 + (rand() % 100000000))
{
checksum += val_;
if (throw_in_ctor)
throw val_;
}
~Dummy()
{
checksum -= val_;
}
long add (int i) { return val_+i; }
protected:
int getVal() const { return val_; }
void
setVal (int newVal)
{
checksum += newVal - val_;
val_ = newVal;
}
};
} // anonymous test dummy
}} // namespace lib::test