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// Copyright 2008 Nanorex, Inc. See LICENSE file for details.
#include <cassert>
#include "NXSceneGraphTest.h"
using namespace std;
using namespace Nanorex;
CPPUNIT_TEST_SUITE_REGISTRATION(NXSceneGraphTest);
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(NXSceneGraphTest,
"NXSceneGraphTestSuite");
// -- static data --
int NXSGApplyTesterNode::numApplications(0);
// int NXSGDeleteTesterNode::numDeletes(0);
// -- member functions --
#if 0
void NXSGDeleteTesterNode::deleteRecursive(void)
{
{
ChildrenList::iterator childIter;
for(childIter = children.begin();
childIter != children.end();
++childIter)
{
NXSGNode *const childPtr = *childIter;
if(childPtr->decrementRefCount() == 0) {
childPtr->deleteRecursive();
++numDeletes;
}
}
children.clear();
}
}
#endif
void NXSceneGraphTest::setUp(void)
{
#ifdef NX_DEBUG
// NXSGNode::ResetIdSource();
#endif
for(int i=0; i<6; ++i)
nodes[i] = new NXSGApplyTesterNode;
nodes[6] = new NXSGApplyBlockerNode;
}
void NXSceneGraphTest::tearDown(void)
{
// reset();
// for(int i=0; i<7; ++i) {
// if(nodes[i] != NULL) {
// delete nodes[i];
// nodes[i] = NULL;
// }
// }
}
#if 0
void NXSceneGraphTest::reset(void)
{
for(int i=0; i<7; ++i)
nodes[i]->reset();
}
#endif
void NXSceneGraphTest::makeTree(NXSGNode* nodes[7])
{
nodes[0]->addChild(nodes[1]);
nodes[0]->addChild(nodes[2]);
nodes[1]->addChild(nodes[3]);
nodes[1]->addChild(nodes[4]);
nodes[2]->addChild(nodes[5]);
nodes[2]->addChild(nodes[6]);
nodes[0]->addChild(nodes[3]);
nodes[0]->addChild(nodes[6]);
}
void NXSceneGraphTest::makeInvertedTree(NXSGNode* nodes[7])
{
nodes[1]->addChild(nodes[0]);
nodes[2]->addChild(nodes[0]);
nodes[3]->addChild(nodes[1]);
nodes[4]->addChild(nodes[1]);
nodes[5]->addChild(nodes[2]);
nodes[6]->addChild(nodes[2]);
nodes[3]->addChild(nodes[0]);
nodes[6]->addChild(nodes[0]);
}
void NXSceneGraphTest::refCountTest1(void)
{
// don't know if CppUnit will run this test first
// re-setup to test initialization
//tearDown();
//setUp();
// initially, all nodes should have zero count
bool initial_zero_refcount = true;
for(int i=0; i<7; ++i)
initial_zero_refcount = (initial_zero_refcount &&
(nodes[i]->getRefCount() == 0));
CPPUNIT_ASSERT(initial_zero_refcount);
nodes[0]->incrementRefCount();
CPPUNIT_ASSERT(nodes[0]->getRefCount()==1);
nodes[0]->incrementRefCount();
CPPUNIT_ASSERT(nodes[0]->getRefCount()==2);
nodes[0]->decrementRefCount();
nodes[0]->decrementRefCount();
CPPUNIT_ASSERT(nodes[0]->getRefCount()==0);
// CPPUNIT_ASSERT(nodes[1]->decrementRefCount()==0);
for(int i=0; i<7; ++i)
delete nodes[i];
}
void NXSceneGraphTest::refCountTest2(void)
{
// reset();
makeInvertedTree(nodes);
CPPUNIT_ASSERT(nodes[0]->getRefCount()==4);
CPPUNIT_ASSERT(nodes[0]->getNumChildren()==0);
CPPUNIT_ASSERT(nodes[3]->getNumChildren()==2);
CPPUNIT_ASSERT(nodes[6]->getNumChildren()==2);
CPPUNIT_ASSERT(nodes[1]->getNumChildren()==1);
CPPUNIT_ASSERT(nodes[4]->getNumChildren()==1);
delete nodes[3];
delete nodes[4];
delete nodes[5];
delete nodes[6];
}
void NXSceneGraphTest::childManipTest(void)
{
// reset();
// Form the tree
nodes[0]->addChild(nodes[1]);
nodes[0]->addChild(nodes[2]);
CPPUNIT_ASSERT(nodes[0]->getNumChildren()==2);
CPPUNIT_ASSERT(nodes[1]->getRefCount()==1);
CPPUNIT_ASSERT(nodes[2]->getRefCount()==1);
nodes[1]->addChild(nodes[3]);
nodes[1]->addChild(nodes[4]);
CPPUNIT_ASSERT(nodes[1]->getNumChildren()==2);
CPPUNIT_ASSERT(nodes[3]->getRefCount()==1);
CPPUNIT_ASSERT(nodes[4]->getRefCount()==1);
nodes[2]->addChild(nodes[5]);
nodes[2]->addChild(nodes[6]);
CPPUNIT_ASSERT(nodes[2]->getNumChildren()==2);
CPPUNIT_ASSERT(nodes[5]->getRefCount()==1);
CPPUNIT_ASSERT(nodes[6]->getRefCount()==1);
CPPUNIT_ASSERT(nodes[0]->getRefCount()==0);
for(int i=1; i<7; ++i)
CPPUNIT_ASSERT(nodes[i]->getRefCount()==1);
nodes[0]->addChild(nodes[3]);
nodes[0]->addChild(nodes[6]);
CPPUNIT_ASSERT(nodes[3]->getRefCount()==2);
CPPUNIT_ASSERT(nodes[6]->getRefCount()==2);
CPPUNIT_ASSERT(nodes[0]->getNumChildren()==4);
// removeChild tests
bool removedNode6FromNode0 = nodes[0]->removeChild(nodes[6]);
CPPUNIT_ASSERT(removedNode6FromNode0);
CPPUNIT_ASSERT(nodes[0]->getNumChildren()==3);
CPPUNIT_ASSERT(nodes[6]->getRefCount()==1);
// invalid child-removal should be trapped
bool removedNode5FromNode0 = nodes[0]->removeChild(nodes[5]);
CPPUNIT_ASSERT(!removedNode5FromNode0);
delete nodes[0];
}
void NXSceneGraphTest::applyTest1(void)
{
// static count variable should initially be zero
CPPUNIT_ASSERT(NXSGApplyTesterNode::GetNumApplications()==0);
bool ok;
// first test NXSGApplyTesterNode
NXSGApplyTesterNode *applyTesterNode = new NXSGApplyTesterNode;
ok = applyTesterNode->apply();
assert(NXSGApplyTesterNode::GetNumApplications()==1);
ok = applyTesterNode->applyRecursive();
assert(NXSGApplyTesterNode::GetNumApplications()==2);
NXSGApplyTesterNode::ResetNumApplications();
delete applyTesterNode;
// reset();
makeTree(nodes);
ok = nodes[0]->applyRecursive();
// because nodes[6] is a blocker, ok == false and 6 applications
CPPUNIT_ASSERT(!ok);
CPPUNIT_ASSERT(NXSGApplyTesterNode::GetNumApplications()==6);
CPPUNIT_ASSERT(nodes[0]->removeChild(nodes[3]));
CPPUNIT_ASSERT(nodes[0]->removeChild(nodes[6]));
NXSGApplyTesterNode *lastNode = new NXSGApplyTesterNode;
NXSGNode node6Guard;
node6Guard.addChild(nodes[6]); // prevents deletion due to next line
CPPUNIT_ASSERT(nodes[2]->removeChild(nodes[6]));
CPPUNIT_ASSERT(nodes[6]->getRefCount()==1);
CPPUNIT_ASSERT(nodes[2]->addChild(lastNode));
// does apply recursive work?
NXSGApplyTesterNode::ResetNumApplications();
assert(NXSGApplyTesterNode::GetNumApplications()==0);
ok = nodes[0]->applyRecursive();
CPPUNIT_ASSERT(ok);
CPPUNIT_ASSERT(NXSGApplyTesterNode::GetNumApplications()==7);
// add more edges
NXSGApplyTesterNode::ResetNumApplications();
nodes[0]->addChild(nodes[3]);
nodes[0]->addChild(lastNode);
ok = nodes[0]->applyRecursive();
CPPUNIT_ASSERT(ok);
CPPUNIT_ASSERT(NXSGApplyTesterNode::GetNumApplications()==9);
// restore state before surgery performed to include lastNode before deleting it
CPPUNIT_ASSERT(lastNode->getRefCount()==2);
CPPUNIT_ASSERT(nodes[2]->removeChild(lastNode));
CPPUNIT_ASSERT(nodes[2]->addChild(nodes[6]));
CPPUNIT_ASSERT(node6Guard.removeChild(nodes[6]));
CPPUNIT_ASSERT(nodes[0]->removeChild(lastNode));
// this deletes lastNode because reference-count would have become zero
delete nodes[0];
}
void NXSceneGraphTest::applyTest2(void)
{
// test with inverted tree
// reset();
makeInvertedTree(nodes);
NXSGApplyTesterNode::ResetNumApplications();
assert(NXSGApplyTesterNode::GetNumApplications()==0);
bool ok = nodes[3]->applyRecursive();
CPPUNIT_ASSERT(ok);
CPPUNIT_ASSERT(NXSGApplyTesterNode::GetNumApplications()==4);
NXSGApplyTesterNode::ResetNumApplications();
assert(NXSGApplyTesterNode::GetNumApplications()==0);
// top level blocks so no apply() should get called
ok = nodes[6]->applyRecursive();
CPPUNIT_ASSERT(!ok);
CPPUNIT_ASSERT(NXSGApplyTesterNode::GetNumApplications()==0);
delete nodes[3];
delete nodes[4];
delete nodes[5];
delete nodes[6];
}
#if 0
void NXSceneGraphTest::deleteRecursiveTest(void)
{
// build custom tree with delete-test nodes
NXSGNode *_nodes[7];
for(int i=0; i<7; ++i)
_nodes[i] = new NXSGDeleteTesterNode;
makeTree(_nodes);
// static delete-counter variable should initially be zero
CPPUNIT_ASSERT(NXSGDeleteTesterNode::GetNumDeletes()==0);
_nodes[0]->deleteRecursive();
// _nodes[0] shouldn't be 'deleted', only its children
CPPUNIT_ASSERT(NXSGDeleteTesterNode::GetNumDeletes()==6);
// all _nodes should have zero ref-count from 'deletion'
for(int i=0; i<7; ++i) {
CPPUNIT_ASSERT(_nodes[i]->getRefCount() == 0);
delete _nodes[i];
}
}
#endif
void NXSceneGraphTest::isLeafTest(void)
{
// reset();
makeTree(nodes);
for(int i=0; i<3; ++i)
CPPUNIT_ASSERT(!nodes[i]->isLeaf());
for(int i=3; i<7; ++i)
CPPUNIT_ASSERT(nodes[i]->isLeaf());
delete nodes[0];
}
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