void ChannelPutGetLocal::getPut()
{
ChannelPutGetRequester::shared_pointer requester = channelPutGetRequester.lock();
if(!requester) return;
if(isDestroyed) {
requester->getPutDone(
channelDestroyedStatus,getPtrSelf(),nullPVStructure,nullBitSet);
return;
}
try {
PVStructurePtr pvPutStructure = pvPutCopy->createPVStructure();
BitSetPtr putBitSet(new BitSet(pvPutStructure->getNumberFields()));
{
epicsGuard <PVRecord> guard(*pvRecord);
pvPutCopy->initCopy(pvPutStructure, putBitSet);
}
requester->getPutDone(
Status::Ok,getPtrSelf(),pvPutStructure,putBitSet);
if(pvRecord->getTraceLevel()>1)
{
cout << "ChannelPutGetLocal::getPut" << endl;
}
} catch(std::exception& ex) {
Status status = Status(Status::STATUSTYPE_FATAL, ex.what());
PVStructurePtr pvPutStructure;
BitSetPtr putBitSet;
requester->getPutDone(status,getPtrSelf(),pvGetStructure,getBitSet);
}
}
ChannelPutGetLocalPtr ChannelPutGetLocal::create(
ChannelLocalPtr const &channelLocal,
ChannelPutGetRequester::shared_pointer const & channelPutGetRequester,
PVStructurePtr const & pvRequest,
PVRecordPtr const &pvRecord)
{
PVCopyPtr pvPutCopy = PVCopy::create(
pvRecord->getPVRecordStructure()->getPVStructure(),
pvRequest,
"putField");
PVCopyPtr pvGetCopy = PVCopy::create(
pvRecord->getPVRecordStructure()->getPVStructure(),
pvRequest,
"getField");
if(!pvPutCopy || !pvGetCopy) {
Status status(
Status::STATUSTYPE_ERROR,
"invalid pvRequest");
ChannelPutGet::shared_pointer channelPutGet;
channelPutGetRequester->channelPutGetConnect(
status,
channelPutGet,
nullStructure,
nullStructure);
ChannelPutGetLocalPtr localPutGet;
return localPutGet;
}
PVStructurePtr pvGetStructure = pvGetCopy->createPVStructure();
BitSetPtr getBitSet(new BitSet(pvGetStructure->getNumberFields()));
ChannelPutGetLocalPtr putGet(new ChannelPutGetLocal(
getProcess(pvRequest,true),
channelLocal,
channelPutGetRequester,
pvPutCopy,
pvGetCopy,
pvGetStructure,
getBitSet,
pvRecord));
if(pvRecord->getTraceLevel()>0)
{
cout << "ChannelPutGetLocal::create";
cout << " recordName " << pvRecord->getRecordName() << endl;
}
channelPutGetRequester->channelPutGetConnect(
Status::Ok, putGet, pvPutCopy->getStructure(),pvGetCopy->getStructure());
return putGet;
}
static void testPVScalar(
string const & valueNameMaster,
string const & valueNameCopy,
PVStructurePtr const & pvMaster,
PVCopyPtr const & pvCopy)
{
PVStructurePtr pvStructureCopy;
PVScalarPtr pvValueMaster;
PVScalarPtr pvValueCopy;
BitSetPtr bitSet;
size_t offset;
ConvertPtr convert = getConvert();
pvValueMaster = pvMaster->getSubField<PVScalar>(valueNameMaster);
convert->fromDouble(pvValueMaster,.04);
StructureConstPtr structure = pvCopy->getStructure();
if(debug) { cout << "structure from copy" << endl << *structure << endl; }
pvStructureCopy = pvCopy->createPVStructure();
pvValueCopy = pvStructureCopy->getSubField<PVScalar>(valueNameCopy);
bitSet = BitSetPtr(new BitSet(pvStructureCopy->getNumberFields()));
pvCopy->initCopy(pvStructureCopy, bitSet);
if(debug) { cout << "after initCopy pvValueCopy " << convert->toDouble(pvValueCopy); }
if(debug) { cout << endl; }
convert->fromDouble(pvValueMaster,.06);
testOk1(convert->toDouble(pvValueCopy)==.04);
pvCopy->updateCopySetBitSet(pvStructureCopy,bitSet);
testOk1(convert->toDouble(pvValueCopy)==.06);
testOk1(bitSet->get(pvValueCopy->getFieldOffset()));
if(debug) { cout << "after put(.06) pvValueCopy " << convert->toDouble(pvValueCopy); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
offset = pvCopy->getCopyOffset(pvValueMaster);
if(debug) { cout << "getCopyOffset() " << offset; }
if(debug) { cout << " pvValueCopy->getOffset() " << pvValueCopy->getFieldOffset(); }
if(debug) { cout << " pvValueMaster->getOffset() " << pvValueMaster->getFieldOffset(); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
bitSet->clear();
convert->fromDouble(pvValueMaster,1.0);
if(debug) { cout << "before updateCopyFromBitSet"; }
if(debug) { cout << " masterValue " << convert->toDouble(pvValueMaster); }
if(debug) { cout << " copyValue " << convert->toDouble(pvValueCopy); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
bitSet->set(0);
testOk1(convert->toDouble(pvValueCopy)==0.06);
pvCopy->updateCopyFromBitSet(pvStructureCopy,bitSet);
testOk1(convert->toDouble(pvValueCopy)==1.0);
if(debug) { cout << "after updateCopyFromBitSet"; }
if(debug) { cout << " masterValue " << convert->toDouble(pvValueMaster); }
if(debug) { cout << " copyValue " << convert->toDouble(pvValueCopy); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
convert->fromDouble(pvValueCopy,2.0);
bitSet->set(0);
if(debug) { cout << "before updateMaster"; }
if(debug) { cout << " masterValue " << convert->toDouble(pvValueMaster); }
if(debug) { cout << " copyValue " << convert->toDouble(pvValueCopy); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
testOk1(convert->toDouble(pvValueMaster)==1.0);
pvCopy->updateMaster(pvStructureCopy,bitSet);
testOk1(convert->toDouble(pvValueMaster)==2.0);
if(debug) { cout << "after updateMaster"; }
if(debug) { cout << " masterValue " << convert->toDouble(pvValueMaster); }
if(debug) { cout << " copyValue " << convert->toDouble(pvValueCopy); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
}
static void testPVScalarArray(
string const & valueNameMaster,
string const & valueNameCopy,
PVStructurePtr const & pvMaster,
PVCopyPtr const & pvCopy)
{
PVStructurePtr pvStructureCopy;
PVScalarArrayPtr pvValueMaster;
PVScalarArrayPtr pvValueCopy;
BitSetPtr bitSet;
size_t offset;
size_t n = 5;
shared_vector<double> values(n);
shared_vector<const double> cvalues;
pvValueMaster = pvMaster->getSubField<PVScalarArray>(valueNameMaster);
for(size_t i=0; i<n; i++) values[i] = i;
const shared_vector<const double> xxx(freeze(values));
pvValueMaster->putFrom(xxx);
StructureConstPtr structure = pvCopy->getStructure();
if(debug) { cout << "structure from copy" << endl << *structure << endl;}
pvStructureCopy = pvCopy->createPVStructure();
pvValueCopy = pvStructureCopy->getSubField<PVScalarArray>(valueNameCopy);
bitSet = BitSetPtr(new BitSet(pvStructureCopy->getNumberFields()));
pvCopy->initCopy(pvStructureCopy, bitSet);
if(debug) { cout << "after initCopy pvValueCopy " << *pvValueCopy << endl; }
if(debug) { cout << endl; }
values.resize(n);
for(size_t i=0; i<n; i++) values[i] = i + .06;
const shared_vector<const double> yyy(freeze(values));
pvValueMaster->putFrom(yyy);
pvValueCopy->getAs(cvalues);
testOk1(cvalues[0]==0.0);
pvCopy->updateCopySetBitSet(pvStructureCopy,bitSet);
pvValueCopy->getAs(cvalues);
testOk1(cvalues[0]==0.06);
if(debug) { cout << "after put(i+ .06) pvValueCopy " << *pvValueCopy << endl; }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
offset = pvCopy->getCopyOffset(pvValueMaster);
if(debug) { cout << "getCopyOffset() " << offset; }
if(debug) { cout << " pvValueCopy->getOffset() " << pvValueCopy->getFieldOffset(); }
if(debug) { cout << " pvValueMaster->getOffset() " << pvValueMaster->getFieldOffset(); }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
bitSet->clear();
values.resize(n);
for(size_t i=0; i<n; i++) values[i] = i + 1.0;
const shared_vector<const double> zzz(freeze(values));
pvValueMaster->putFrom(zzz);
if(debug) { cout << "before updateCopyFromBitSet"; }
if(debug) { cout << " masterValue " << *pvValueMaster << endl; }
if(debug) { cout << " copyValue " << *pvValueCopy << endl; }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
bitSet->set(0);
pvValueCopy->getAs(cvalues);
testOk1(cvalues[0]==0.06);
pvCopy->updateCopyFromBitSet(pvStructureCopy,bitSet);
pvValueCopy->getAs(cvalues);
testOk1(cvalues[0]==1.0);
if(debug) { cout << "after updateCopyFromBitSet"; }
if(debug) { cout << " masterValue " << *pvValueMaster << endl; }
if(debug) { cout << " copyValue " << *pvValueCopy << endl; }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
values.resize(n);
for(size_t i=0; i<n; i++) values[i] = i + 2.0;
const shared_vector<const double> ttt(freeze(values));
pvValueMaster->putFrom(ttt);
bitSet->set(0);
if(debug) { cout << "before updateMaster"; }
if(debug) { cout << " masterValue " << *pvValueMaster << endl; }
if(debug) { cout << " copyValue " << *pvValueCopy << endl; }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
pvValueMaster->getAs(cvalues);
testOk1(cvalues[0]==2.0);
pvCopy->updateMaster(pvStructureCopy,bitSet);
pvValueMaster->getAs(cvalues);
testOk1(cvalues[0]==1.0);
if(debug) { cout << "before updateMaster"; }
if(debug) { cout << " masterValue " << *pvValueMaster << endl; }
if(debug) { cout << " copyValue " << *pvValueCopy << endl; }
if(debug) { cout << " bitSet " << *bitSet; }
if(debug) { cout << endl; }
}
static void test()
{
std::ostringstream oss;
testDiag("\ntestBitSetUtil\n");
StringArray fieldNames;
PVFieldPtrArray pvFields;
fieldNames.reserve(5);
pvFields.reserve(5);
fieldNames.push_back("timeStamp");
fieldNames.push_back("alarm");
fieldNames.push_back("voltage");
fieldNames.push_back("power");
fieldNames.push_back("current");
pvFields.push_back(
pvDataCreate->createPVStructure(standardField->timeStamp()));
pvFields.push_back(
pvDataCreate->createPVStructure(standardField->alarm()));
pvFields.push_back(
pvDataCreate->createPVStructure(
standardField->scalar(pvDouble,"alarm")));
pvFields.push_back(
pvDataCreate->createPVStructure(
standardField->scalar(pvDouble,"alarm")));
pvFields.push_back(
pvDataCreate->createPVStructure(
standardField->scalar(pvDouble,"alarm")));
PVStructurePtr pvs = pvDataCreate->createPVStructure(
fieldNames,pvFields);
int32 nfields = (int32)pvs->getNumberFields();
BitSetPtr bitSet = BitSet::create(nfields);
for(int32 i=0; i<nfields; i++) bitSet->set(i);
BitSetUtil::compress(bitSet,pvs);
bitSet->clear();
PVFieldPtr pvField = pvs->getSubField<PVStructure>("timeStamp");
int32 offsetTimeStamp = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVLong>("timeStamp.secondsPastEpoch");
int32 offsetSeconds = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVInt>("timeStamp.nanoseconds");
int32 offsetNano = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVInt>("timeStamp.userTag");
int32 offsetUserTag = (int32)pvField->getFieldOffset();
bitSet->set(offsetSeconds);
BitSetUtil::compress(bitSet,pvs);
testOk1(bitSet->get(offsetSeconds)==true);
bitSet->set(offsetNano);
bitSet->set(offsetUserTag);
BitSetUtil::compress(bitSet,pvs);
testOk1(bitSet->get(offsetSeconds)==false);
testOk1(bitSet->get(offsetTimeStamp)==true);
bitSet->clear();
pvField = pvs->getSubField<PVStructure>("current");
int32 offsetCurrent = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVDouble>("current.value");
int32 offsetValue = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVStructure>("current.alarm");
int32 offsetAlarm = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVInt>("current.alarm.severity");
int32 offsetSeverity = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVInt>("current.alarm.status");
int32 offsetStatus = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField<PVString>("current.alarm.message");
int32 offsetMessage = (int32)pvField->getFieldOffset();
bitSet->set(offsetValue);
bitSet->set(offsetSeverity);
bitSet->set(offsetStatus);
bitSet->set(offsetMessage);
BitSetUtil::compress(bitSet,pvs);
testOk1(bitSet->get(offsetCurrent)==true);
bitSet->clear();
bitSet->set(offsetSeverity);
bitSet->set(offsetStatus);
bitSet->set(offsetMessage);
BitSetUtil::compress(bitSet,pvs);
testOk1(bitSet->get(offsetAlarm)==true);
bitSet->clear();
printf("testBitSetUtil PASSED\n");
}
static void testPVScalar(
string const & valueNameRecord,
string const & valueNameCopy,
PVRecordPtr const & pvRecord,
PVCopyPtr const & pvCopy)
{
PVStructurePtr pvStructureRecord;
PVStructurePtr pvStructureCopy;
PVFieldPtr pvField;
PVScalarPtr pvValueRecord;
PVScalarPtr pvValueCopy;
BitSetPtr bitSet;
size_t offset;
ConvertPtr convert = getConvert();
cout << endl;
pvStructureRecord = pvRecord->getPVRecordStructure()->getPVStructure();
pvField = pvStructureRecord->getSubField(valueNameRecord);
pvValueRecord = static_pointer_cast<PVScalar>(pvField);
convert->fromDouble(pvValueRecord,.04);
StructureConstPtr structure = pvCopy->getStructure();
cout << "structure from copy" << endl << *structure << endl;
pvStructureCopy = pvCopy->createPVStructure();
pvField = pvStructureCopy->getSubField(valueNameCopy);
pvValueCopy = static_pointer_cast<PVScalar>(pvField);
bitSet = BitSetPtr(new BitSet(pvStructureCopy->getNumberFields()));
pvCopy->initCopy(pvStructureCopy, bitSet);
cout << "after initCopy pvValueCopy " << convert->toDouble(pvValueCopy);
cout << endl;
convert->fromDouble(pvValueRecord,.06);
pvCopy->updateCopySetBitSet(pvStructureCopy,bitSet);
cout << "after put(.06) pvValueCopy " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
offset = pvCopy->getCopyOffset(pvValueRecord);
cout << "getCopyOffset() " << offset;
cout << " pvValueCopy->getOffset() " << pvValueCopy->getFieldOffset();
cout << " pvValueRecord->getOffset() " << pvValueRecord->getFieldOffset();
cout << " bitSet " << *bitSet;
cout << endl;
bitSet->clear();
convert->fromDouble(pvValueRecord,1.0);
cout << "before updateCopyFromBitSet";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
bitSet->set(0);
pvCopy->updateCopyFromBitSet(pvStructureCopy,bitSet);
cout << "after updateCopyFromBitSet";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
convert->fromDouble(pvValueCopy,2.0);
bitSet->set(0);
cout << "before updateMaster";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
pvCopy->updateMaster(pvStructureCopy,bitSet);
cout << "after updateMaster";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
}
static void testPVScalarArray(
ScalarType scalarType,
string const & valueNameRecord,
string const & valueNameCopy,
PVRecordPtr const & pvRecord,
PVCopyPtr const & pvCopy)
{
PVStructurePtr pvStructureRecord;
PVStructurePtr pvStructureCopy;
PVScalarArrayPtr pvValueRecord;
PVScalarArrayPtr pvValueCopy;
BitSetPtr bitSet;
size_t offset;
size_t n = 5;
shared_vector<double> values(n);
cout << endl;
pvStructureRecord = pvRecord->getPVRecordStructure()->getPVStructure();
pvValueRecord = pvStructureRecord->getScalarArrayField(valueNameRecord,scalarType);
for(size_t i=0; i<n; i++) values[i] = i;
const shared_vector<const double> xxx(freeze(values));
pvValueRecord->putFrom(xxx);
StructureConstPtr structure = pvCopy->getStructure();
cout << "structure from copy" << endl << *structure << endl;
pvStructureCopy = pvCopy->createPVStructure();
pvValueCopy = pvStructureCopy->getScalarArrayField(valueNameCopy,scalarType);
bitSet = BitSetPtr(new BitSet(pvStructureCopy->getNumberFields()));
pvCopy->initCopy(pvStructureCopy, bitSet);
cout << "after initCopy pvValueCopy " << *pvValueCopy << endl;
cout << endl;
values.resize(n);
for(size_t i=0; i<n; i++) values[i] = i + .06;
const shared_vector<const double> yyy(freeze(values));
pvValueRecord->putFrom(yyy);
pvCopy->updateCopySetBitSet(pvStructureCopy,bitSet);
cout << "after put(i+ .06) pvValueCopy " << *pvValueCopy << endl;
cout << " bitSet " << *bitSet;
cout << endl;
offset = pvCopy->getCopyOffset(pvValueRecord);
cout << "getCopyOffset() " << offset;
cout << " pvValueCopy->getOffset() " << pvValueCopy->getFieldOffset();
cout << " pvValueRecord->getOffset() " << pvValueRecord->getFieldOffset();
cout << " bitSet " << *bitSet;
cout << endl;
bitSet->clear();
values.resize(n);
for(size_t i=0; i<n; i++) values[i] = i + 1.0;
const shared_vector<const double> zzz(freeze(values));
pvValueRecord->putFrom(zzz);
cout << "before updateCopyFromBitSet";
cout << " recordValue " << *pvValueRecord << endl;
cout << " copyValue " << *pvValueCopy << endl;
cout << " bitSet " << *bitSet;
cout << endl;
bitSet->set(0);
pvCopy->updateCopyFromBitSet(pvStructureCopy,bitSet);
cout << "after updateCopyFromBitSet";
cout << " recordValue " << *pvValueRecord << endl;
cout << " copyValue " << *pvValueCopy << endl;
cout << " bitSet " << *bitSet;
cout << endl;
values.resize(n);
for(size_t i=0; i<n; i++) values[i] = i + 2.0;
const shared_vector<const double> ttt(freeze(values));
pvValueRecord->putFrom(ttt);
bitSet->set(0);
cout << "before updateMaster";
cout << " recordValue " << *pvValueRecord << endl;
cout << " copyValue " << *pvValueCopy << endl;
cout << " bitSet " << *bitSet;
cout << endl;
pvCopy->updateMaster(pvStructureCopy,bitSet);
cout << "after updateMaster";
cout << " recordValue " << *pvValueRecord << endl;
cout << " copyValue " << *pvValueRecord << endl;
cout << " bitSet " << *bitSet;
cout << endl;
}
static void testCopy()
{
TEST_COPY(PVBoolean, 1);
TEST_COPY(PVByte, 12);
TEST_COPY(PVShort, 128);
TEST_COPY(PVInt, 128000);
TEST_COPY(PVLong, 128000000);
TEST_COPY(PVUByte, 12);
TEST_COPY(PVUShort, 128);
TEST_COPY(PVUInt, 128000);
TEST_COPY(PVULong, 128000000);
TEST_COPY(PVFloat, 12.8);
TEST_COPY(PVDouble, 8.12);
TEST_COPY(PVString, "jikes");
int32 testValue = 128;
// PVStructure test
PVStructurePtr pvStructure =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructure->getSubField<PVInt>("value")->put(testValue);
PVTimeStamp timeStamp;
timeStamp.attach(pvStructure->getSubField<PVStructure>("timeStamp"));
TimeStamp current;
current.getCurrent();
timeStamp.set(current);
PVStructurePtr pvStructureCopy =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy->copy(*pvStructure);
testOk(*pvStructure == *pvStructureCopy, "PVStructure copy");
PVStructurePtr pvStructureCopy2 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy2->copyUnchecked(*pvStructure);
testOk(*pvStructure == *pvStructureCopy2, "PVStructure copyUnchecked");
BitSet mask(pvStructure->getNumberFields());
PVStructurePtr pvStructureCopy3 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
PVStructurePtr pvStructureCopy4 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy3->copyUnchecked(*pvStructure, mask);
testOk(*pvStructureCopy3 == *pvStructureCopy4, "PVStructure copyUnchecked w/ cleared mask");
mask.set(pvStructure->getSubField<PVInt>("value")->getFieldOffset());
pvStructureCopy3->copyUnchecked(*pvStructure, mask);
pvStructureCopy4->getSubField<PVInt>("value")->put(testValue);
testOk(*pvStructureCopy3 == *pvStructureCopy4, "PVStructure copyUnchecked w/ value mask only");
mask.set(pvStructure->getSubField<PVStructure>("timeStamp")->getFieldOffset());
PVStructurePtr pvStructureCopy5 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy5->copyUnchecked(*pvStructure, mask);
testOk(*pvStructure == *pvStructureCopy5, "PVStructure copyUnchecked w/ value+timeStamp mask");
UnionConstPtr _union = fieldCreate->createFieldBuilder()->
add("doubleValue", pvDouble)->
add("intValue", pvInt)->
add("timeStamp",standardField->timeStamp())->
createUnion();
PVUnionPtr pvUnion = pvDataCreate->createPVUnion(_union);
PVUnionPtr pvUnion2 = pvDataCreate->createPVUnion(_union);
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "null PVUnion copy");
pvUnion->select<PVInt>("intValue")->put(123);
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "PVUnion scalar copy, to null PVUnion");
pvUnion->select("doubleValue");
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "PVUnion scalar copy, to different type PVUnion");
pvUnion->select<PVStructure>("timeStamp")->copy(
*pvStructure->getSubField<PVStructure>("timeStamp")
);
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "PVUnion PVStructure copy, to different type PVUnion");
}