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/*
* vdr-vodcatcher - A plugin for the Linux Video Disk Recorder
* Copyright (c) 2007 - 2009 Tobias Grimm <vdr@e-tobi.net>
*
* 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
*
*/
#include <cxxtest/TestSuite.h>
#include "RefPtr.h"
#include "StringMessageMock.h"
using namespace std;
class Foo : public StringMessageMock
{
public:
Foo()
{
}
Foo(StringMessageMock& parent, string messagePrefix = "") :
StringMessageMock(parent, messagePrefix)
{
}
~Foo()
{
AddMethod("dtor");
}
int Bar(int arg)
{
return arg;
}
};
class RefPtrTest : public CxxTest::TestSuite
{
public:
void TestEmptyPtr()
{
RefPtr<Foo> ptr;
}
void TestSingleReference()
{
StringMessageMock mock;
Foo* foo = new Foo(mock);
mock.ExpectMethod("dtor");
RefPtr<Foo>* ref = new RefPtr<Foo>(foo);
delete ref;
mock.Verify();
}
void TestGet()
{
Foo* foo = new Foo();
RefPtr<Foo> ref(foo);
TS_ASSERT_EQUALS(foo, ref.get());
}
void TestPointerOperator()
{
Foo* foo = new Foo();
RefPtr<Foo> ref(foo);
TS_ASSERT_EQUALS(10, ref->Bar(10));
}
void TestAstersikOperator()
{
Foo* foo = new Foo();
RefPtr<Foo> ref(foo);
TS_ASSERT_EQUALS(10, (*ref).Bar(10));
}
void TestMultipleReferences()
{
StringMessageMock mock;
Foo* foo = new Foo(mock);
RefPtr<Foo>* ref1 = new RefPtr<Foo>(foo);
RefPtr<Foo>* ref2 = new RefPtr<Foo>(*ref1);
RefPtr<Foo>* ref3 = new RefPtr<Foo>(*ref2);
delete ref1;
mock.Verify();
delete ref3;
mock.Verify();
mock.ExpectMethod("dtor");
delete ref2;
mock.Verify();
}
void TestAssignmentOperator()
{
StringMessageMock mock;
Foo* foo1 = new Foo(mock, "foo1");
Foo* foo2 = new Foo(mock, "foo2");
RefPtr<Foo>* ref1 = new RefPtr<Foo>(foo1);
RefPtr<Foo>* ref2 = new RefPtr<Foo>(foo2);
mock.ExpectMethod("foo2:dtor");
*ref2 = *ref1;
mock.Verify();
TS_ASSERT_EQUALS(foo1, ref2->get());
mock.ResetMock();
mock.ExpectMethod("foo1:dtor");
delete ref1;
delete ref2;
mock.Verify();
}
void TestConstAssignment()
{
StringMessageMock mock;
Foo* foo1 = new Foo(mock, "foo1");
Foo* foo2 = new Foo(mock, "foo2");
const RefPtr<Foo>* ref1 = new RefPtr<Foo>(foo1);
RefPtr<Foo>* ref2 = new RefPtr<Foo>(foo2);
mock.ExpectMethod("foo2:dtor");
*ref2 = *ref1;
mock.Verify();
TS_ASSERT_EQUALS(foo1, ref2->get());
mock.ResetMock();
mock.ExpectMethod("foo1:dtor");
delete ref1;
delete ref2;
mock.Verify();
}
void TestSelfAssignment()
{
StringMessageMock mock;
RefPtr<Foo> ref1(new Foo(mock));
ref1 = ref1;
mock.Verify();
}
void TestPointerAssignment()
{
StringMessageMock mock;
Foo* foo1 = new Foo(mock, "foo1");
RefPtr<Foo> ref(foo1);
mock.ExpectMethod("foo1:dtor");
Foo* foo2 = new Foo(mock, "foo2");
ref = foo2;
mock.Verify();
TS_ASSERT_EQUALS(foo2, ref.get());
}
void TestPointerselfAssignment()
{
StringMessageMock mock;
Foo* foo = new Foo(mock);
RefPtr<Foo> ref(foo);
ref = foo;
mock.Verify();
}
void TestIncompletType()
{
// To some extend, imcomplete types can be handled as Alan Griffiths
// dscribes in: http://www.octopull.demon.co.uk/arglib/TheGrin.html
//
// Unfortunately, I have absolutely no idea, how to write a test
// case for this. So just watch the compiler warnings about
// not beeing able to delete an incomplete type!
}
void TestConversionToConst()
{
RefPtr<int> nonConstContent(new int(99));
RefPtr<const int> constContent(nonConstContent);
TS_ASSERT_EQUALS(*nonConstContent, *constContent);
}
void TestIsAssigned()
{
RefPtr<int> ptr;
TS_ASSERT(!ptr.IsAssigned());
ptr = new int(3);
TS_ASSERT(ptr.IsAssigned());
}
};
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