void CanvasState::restoreToCount(int saveCount) {
if (saveCount < 1) saveCount = 1;
while (mSaveCount > saveCount) {
restoreSnapshot();
}
}
TEST_P(SnapshotRestoreTest, snapshot_restoration_on_a_clone)
{
const auto wrns_parent(make_random_namespace());
const std::string parent_name(wrns_parent->ns().str());
SharedVolumePtr parent = newVolume(VolumeId(parent_name),
be::Namespace(parent_name));
const std::string pattern1("before-parent-snapshot");
writeToVolume(*parent,
0,
parent->getClusterSize(),
pattern1);
const SnapshotName parent_snap("parent-snapshot");
parent->createSnapshot(parent_snap);
waitForThisBackendWrite(*parent);
const auto wrns_clone(make_random_namespace());
const std::string clone_name(wrns_clone->ns().str());
SharedVolumePtr clone = createClone(clone_name,
be::Namespace(clone_name),
be::Namespace(parent_name),
parent_snap);
const std::string pattern2("before-clone-snapshot");
writeToVolume(*clone,
0,
clone->getClusterSize(),
pattern2);
const SnapshotName clone_snap("clone-snapshot");
clone->createSnapshot(clone_snap);
waitForThisBackendWrite(*clone);
const std::string pattern3("after-clone-snapshot");
writeToVolume(*clone,
0,
clone->getClusterSize(),
pattern3);
checkVolume(*clone,
0,
clone->getClusterSize(),
pattern3);
restoreSnapshot(*clone,
clone_snap);
checkVolume(*clone,
0,
clone->getClusterSize(),
pattern2);
}
void UndoManager::redoStep(bool execute, bool flyingRollback)
{
UndoAction* const action = d->redoActions.back();
UndoMetadataContainer dataBeforeStep = UndoMetadataContainer::fromImage(*d->core->getImg());
UndoMetadataContainer dataAfterStep = action->getMetadata();
QVariant originDataBeforeStep = d->core->getImg()->fileOriginData();
QVariant originDataAfterStep = action->fileOriginData();
DImageHistory originHistoryBeforeStep = d->core->getResolvedInitialHistory();
DImageHistory originHistoryAfterStep = action->fileOriginResolvedHistory();
UndoActionIrreversible* const irreversible = dynamic_cast<UndoActionIrreversible*>(action);
UndoActionReversible* const reversible = dynamic_cast<UndoActionReversible*>(action);
if (execute)
{
if (irreversible || flyingRollback)
{
restoreSnapshot(d->undoActions.size() + 1, dataAfterStep);
}
else if (reversible) // checking pointer just to check for null pointer in case of a bug
{
reversible->getFilter().apply(*d->core->getImg());
d->core->imageUndoChanged(dataAfterStep);
}
}
else
{
// if we do not copy the data (fast roll-back), we at least set the history for subsequent steps
d->core->imageUndoChanged(dataAfterStep);
}
action->setMetadata(dataBeforeStep);
if (isAtOrigin())
{
action->setFileOriginData(originDataBeforeStep, originHistoryBeforeStep);
}
else
{
action->setFileOriginData(QVariant(), DImageHistory());
}
d->redoActions.removeLast();
d->undoActions << action;
if (!originDataAfterStep.isNull())
{
d->origin = 0;
d->core->setFileOriginData(originDataAfterStep);
d->core->setResolvedInitialHistory(originHistoryAfterStep);
}
else
{
d->origin++;
}
}
TEST_P(SnapshotRestoreTest, HaltOnError)
{
auto ns_ptr = make_random_namespace();
SharedVolumePtr v = newVolume(VolumeId("volume1"),
ns_ptr->ns());
const std::string pattern1("blah");
const TLogId tlog_id(v->getSnapshotManagement().getCurrentTLogId());
writeToVolume(*v, 0, 4096, pattern1);
v->createSnapshot(SnapshotName("snap1"));
waitForThisBackendWrite(*v);
EXPECT_THROW(restoreSnapshot(*v, "snap42"),
std::exception);
EXPECT_FALSE(v->is_halted());
v->getBackendInterface()->remove(boost::lexical_cast<std::string>(tlog_id));
EXPECT_THROW(restoreSnapshot(*v, "snap1"),
std::exception);
EXPECT_TRUE(v->is_halted());
}
double PostureIKSolver::lineSearch(int index, VectorXD& direction){
double energyO = energy();
direction * lineSearchStepSize;
do{
//try step
applyConfiguration(direction);
double tmp = energy();
if(tmp < energyO || lineSearchStepSize < step){
return lineSearchStepSize;
}
restoreSnapshot(index);
lineSearchStepSize /= 2;
direction * 0.5;
}while(1);
}
TEST_P(SnapshotRestoreTest, RestoreAndWriteAgain1)
{
auto ns_ptr = make_random_namespace();
SharedVolumePtr v = newVolume(VolumeId("volume1"),
ns_ptr->ns(),
VolumeSize(1 << 26),
SCOMultiplier(1));
const std::string pattern("e-manual");
v->createSnapshot(SnapshotName("snap1"));
waitForThisBackendWrite(*v);
writeToVolume(*v, 0, 5 * 4096, pattern);
waitForThisBackendWrite(*v);
restoreSnapshot(*v,"snap1");
writeToVolume(*v, 0, 4*4096, pattern);
waitForThisBackendWrite(*v);
checkCurrentBackendSize(*v);
}
void CanvasState::restore() {
if (mSaveCount > 1) {
restoreSnapshot();
}
}
TEST_P(SnapshotRestoreTest, SimpleRestore)
{
auto ns_ptr = make_random_namespace();
SharedVolumePtr v = newVolume(VolumeId("volume1"),
ns_ptr->ns());
const std::string pattern1("Frederik");
writeToVolume(*v, 0, 4096, pattern1);
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snap1"));
const std::string pattern2("Frederik");
writeToVolume(*v, 0, 4096, pattern2);
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snap2"));
const std::string pattern3("Arne");
writeToVolume(*v, 0, 4096, pattern3);
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snap3"));
const std::string pattern4("Bart");
writeToVolume(*v, 0, 4096, pattern4);
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snap4"));
const std::string pattern5("Wouter");
writeToVolume(*v, 0, 4096, pattern5);
checkVolume(*v,0,4096,pattern5);
waitForThisBackendWrite(*v);
EXPECT_NO_THROW(restoreSnapshot(*v,
"snap4"));
checkVolume(*v,0,4096,pattern4);
writeToVolume(*v, 0, 4096, "Bollocks");
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snapper"));
waitForThisBackendWrite(*v);
EXPECT_NO_THROW(restoreSnapshot(*v,
"snap3"));
checkVolume(*v,0,4096,pattern3);
writeToVolume(*v, 0, 4096, "Bollocks");
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snapper"));
waitForThisBackendWrite(*v);
EXPECT_NO_THROW(restoreSnapshot(*v,
"snap2"));
checkVolume(*v,0,4096,pattern2);
writeToVolume(*v, 0, 4096, "Bollocks");
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snapper"));
waitForThisBackendWrite(*v);
EXPECT_NO_THROW(restoreSnapshot(*v,
"snap1"));
checkVolume(*v,0,4096,pattern1);
writeToVolume(*v, 0, 4096, "Bollocks");
waitForThisBackendWrite(*v);
v->createSnapshot(SnapshotName("snapper"));
waitForThisBackendWrite(*v);
checkCurrentBackendSize(*v);
}
