//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void shouldHandleIndexDropConcurrentlyWithOperation(NodeOperation operation) throws Throwable
private void ShouldHandleIndexDropConcurrentlyWithOperation(NodeOperation operation)
{
// given
long[] nodes = CreateNodes();
IndexDefinition indexDefinition = CreateIndex();
// when
Race race = new Race();
race.AddContestant(() =>
{
using (Transaction tx = Db.beginTx())
{
indexDefinition.Drop();
tx.Success();
}
}, 1);
for (int i = 0; i < NODES; i++)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long nodeId = nodes[i];
long nodeId = nodes[i];
race.AddContestant(throwing(() =>
{
using (Transaction tx = Db.beginTx())
{
operation.Run(nodeId);
tx.Success();
}
}));
}
// then
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldKeepHighestDuringConcurrentOfferings() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldKeepHighestDuringConcurrentOfferings()
{
// GIVEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final HighestTransactionId highest = new HighestTransactionId(-1, -1, -1);
HighestTransactionId highest = new HighestTransactionId(-1, -1, -1);
Race race = new Race();
int updaters = max(2, Runtime.availableProcessors());
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicInteger accepted = new java.util.concurrent.atomic.AtomicInteger();
AtomicInteger accepted = new AtomicInteger();
for (int i = 0; i < updaters; i++)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long id = i + 1;
long id = i + 1;
race.AddContestant(() =>
{
if (highest.Offer(id, id, id))
{
accepted.incrementAndGet();
}
});
}
// WHEN
race.Go();
// THEN
assertTrue(accepted.get() > 0);
assertEquals(updaters, highest.Get().transactionId());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldRegisterConcurrentAllocationsAndDeallocations() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldRegisterConcurrentAllocationsAndDeallocations()
{
// given
ThreadSafePeakMemoryAllocationTracker tracker = new ThreadSafePeakMemoryAllocationTracker(GlobalMemoryTracker.Instance);
Race race = new Race();
race.AddContestants(10, () =>
{
for (int i = 1; i < 100; i++)
{
tracker.Allocated(i);
assertThat(tracker.UsedDirectMemory(), greaterThan(0L));
}
for (int i = 1; i < 100; i++)
{
assertThat(tracker.UsedDirectMemory(), greaterThan(0L));
tracker.Deallocated(i);
}
}, 1);
// when
race.Go();
// then
assertEquals(0, tracker.UsedDirectMemory());
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void tryOnce(final org.neo4j.kernel.internal.GraphDatabaseAPI db, final org.neo4j.graphdb.Node node) throws Throwable
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
private void TryOnce(GraphDatabaseAPI db, Node node)
{
Race race = (new Race()).withRandomStartDelays();
race.AddContestants(Runtime.Runtime.availableProcessors(), () =>
{
using (Transaction ignored = Db.beginTx())
{
assertEquals(_relCount, count(node.Relationships));
}
});
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldDoProcessingInitializationInOrder() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldDoProcessingInitializationInOrder()
{
// GIVEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.Race race = new org.neo4j.test.Race();
Race race = new Race();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicInteger coordination = new java.util.concurrent.atomic.AtomicInteger(-1);
AtomicInteger coordination = new AtomicInteger(-1);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicInteger expected = new java.util.concurrent.atomic.AtomicInteger();
AtomicInteger expected = new AtomicInteger();
const int threads = 30;
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") final RecordCheckWorker<int>[] workers = new RecordCheckWorker[threads];
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
RecordCheckWorker <int>[] workers = new RecordCheckWorker[threads];
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final RecordProcessor<int> processor = new RecordProcessor_Adapter<int>()
RecordProcessor <int> processor = new RecordProcessor_AdapterAnonymousInnerClass(this, expected);
for (int id = 0; id < threads; id++)
{
ArrayBlockingQueue <int> queue = new ArrayBlockingQueue <int>(10);
race.AddContestant(workers[id] = new RecordCheckWorker <int>(id, coordination, queue, processor));
}
race.AddContestant(() =>
{
try
{
long end = currentTimeMillis() + SECONDS.toMillis(100);
while (currentTimeMillis() < end && expected.get() < threads)
{
parkNanos(MILLISECONDS.toNanos(10));
}
assertEquals(threads, expected.get());
}
finally
{
foreach (RecordCheckWorker <int> worker in workers)
{
worker.Done();
}
}
});
// WHEN
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldWriteOutThePropertyRecordBeforeReferencingItFromANodeRecord() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldWriteOutThePropertyRecordBeforeReferencingItFromANodeRecord()
{
Race race = new Race();
long[] latestNodeId = new long[1];
AtomicLong writes = new AtomicLong();
AtomicLong reads = new AtomicLong();
long endTime = currentTimeMillis() + SECONDS.toMillis(2);
race.WithEndCondition(() => (writes.get() > 100 && reads.get() > 10_000) || currentTimeMillis() > endTime);
race.AddContestant(() =>
{
using (Transaction tx = Db.beginTx())
{
Node node = Db.createNode();
latestNodeId[0] = node.Id;
node.setProperty("largeProperty", LONG_STRING_VALUE);
tx.success();
}
writes.incrementAndGet();
});
race.AddContestant(() =>
{
try
{
using (Transaction tx = Db.GraphDatabaseAPI.beginTx())
{
Node node = Db.GraphDatabaseAPI.getNodeById(latestNodeId[0]);
foreach (string propertyKey in node.PropertyKeys)
{
node.getProperty(propertyKey);
}
tx.success();
}
}
catch (NotFoundException e)
{
if (Exceptions.contains(e, typeof(InvalidRecordException)))
{
throw e;
}
}
reads.incrementAndGet();
});
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldWriteOutTheDynamicChainBeforeUpdatingThePropertyRecord() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldWriteOutTheDynamicChainBeforeUpdatingThePropertyRecord()
{
Race race = new Race();
long[] latestNodeId = new long[1];
AtomicLong writes = new AtomicLong();
AtomicLong reads = new AtomicLong();
long endTime = currentTimeMillis() + SECONDS.toMillis(2);
race.WithEndCondition(() => (writes.get() > 100 && reads.get() > 10_000) || currentTimeMillis() > endTime);
race.AddContestant(() =>
{
using (Transaction tx = Db.beginTx())
{
Node node = Db.createNode();
latestNodeId[0] = node.Id;
node.setProperty("largeProperty", LONG_STRING_VALUE);
tx.success();
}
writes.incrementAndGet();
});
race.AddContestant(() =>
{
try
{
using (Transaction tx = Db.GraphDatabaseAPI.beginTx())
{
Node node = Db.GraphDatabaseAPI.getNodeById(latestNodeId[0]);
foreach (string propertyKey in node.PropertyKeys)
{
node.getProperty(propertyKey);
}
tx.success();
}
}
catch (NotFoundException)
{
// This will catch nodes not found (expected) and also PropertyRecords not found (shouldn't happen
// but handled in shouldWriteOutThePropertyRecordBeforeReferencingItFromANodeRecord)
}
reads.incrementAndGet();
});
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldRegisterPeakMemoryUsage() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldRegisterPeakMemoryUsage()
{
// given
ThreadSafePeakMemoryAllocationTracker tracker = new ThreadSafePeakMemoryAllocationTracker(GlobalMemoryTracker.Instance);
int threads = 200;
long[] allocations = new long[threads];
ThreadLocalRandom random = ThreadLocalRandom.current();
long sum = 0;
for (int i = 0; i < allocations.Length; i++)
{
allocations[i] = random.Next(1, 10_000);
sum += allocations[i];
}
// when
Race race = new Race();
for (int i = 0; i < threads; i++)
{
int id = i;
race.AddContestant(() => tracker.allocated(allocations[id]));
}
race.Go();
long peakAfterAllocation = tracker.PeakMemoryUsage();
LongStream.of(allocations).forEach(tracker.deallocated);
long peakAfterDeallocation = tracker.PeakMemoryUsage();
LongStream.of(allocations).forEach(tracker.allocated);
tracker.Allocated(10); // <-- 10 more than previous peak
long peakAfterHigherReallocation = tracker.PeakMemoryUsage();
LongStream.of(allocations).forEach(tracker.deallocated);
tracker.Deallocated(10);
long peakAfterFinalDeallocation = tracker.PeakMemoryUsage();
// then
assertEquals(sum, peakAfterAllocation);
assertEquals(sum, peakAfterDeallocation);
assertEquals(sum + 10, peakAfterHigherReallocation);
assertEquals(sum + 10, peakAfterFinalDeallocation);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldHandleConcurrentGetOrCreate() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldHandleConcurrentGetOrCreate()
{
// GIVEN
Groups groups = new Groups();
Race race = new Race();
string name = "MyGroup";
for (int i = 0; i < Runtime.Runtime.availableProcessors(); i++)
{
race.AddContestant(() =>
{
Group group = groups.GetOrCreate(name);
assertEquals(LOWEST_NONGLOBAL_ID, group.Id());
});
}
// WHEN
race.Go();
// THEN
Group otherGroup = groups.GetOrCreate("MyOtherGroup");
assertEquals(LOWEST_NONGLOBAL_ID + 1, otherGroup.Id());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldWriteOutThePropertyRecordBeforeReferencingItFromARelationshipRecord() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldWriteOutThePropertyRecordBeforeReferencingItFromARelationshipRecord()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long node1Id;
long node1Id;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long node2Id;
long node2Id;
using (Transaction tx = Db.beginTx())
{
Node node1 = Db.createNode();
node1Id = node1.Id;
Node node2 = Db.createNode();
node2Id = node2.Id;
tx.Success();
}
Race race = new Race();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long[] latestRelationshipId = new long[1];
long[] latestRelationshipId = new long[1];
AtomicLong writes = new AtomicLong();
AtomicLong reads = new AtomicLong();
long endTime = currentTimeMillis() + SECONDS.toMillis(2);
race.WithEndCondition(() => (writes.get() > 100 && reads.get() > 10_000) || currentTimeMillis() > endTime);
race.AddContestant(() =>
{
using (Transaction tx = Db.beginTx())
{
Node node1 = Db.GraphDatabaseAPI.getNodeById(node1Id);
Node node2 = Db.GraphDatabaseAPI.getNodeById(node2Id);
Relationship rel = node1.createRelationshipTo(node2, _friend);
latestRelationshipId[0] = rel.Id;
rel.setProperty("largeProperty", LONG_STRING_VALUE);
tx.Success();
}
writes.incrementAndGet();
});
race.AddContestant(() =>
{
try
{
using (Transaction tx = Db.GraphDatabaseAPI.beginTx())
{
Relationship rel = Db.GraphDatabaseAPI.getRelationshipById(latestRelationshipId[0]);
foreach (string propertyKey in rel.PropertyKeys)
{
rel.getProperty(propertyKey);
}
tx.Success();
}
}
catch (NotFoundException e)
{
if (Exceptions.contains(e, typeof(InvalidRecordException)))
{
throw e;
}
}
reads.incrementAndGet();
});
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotDeadlockOrCrashFromInconsistency() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotDeadlockOrCrashFromInconsistency()
{
// GIVEN (A) -[R]-> (B)
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.graphdb.Node a;
Node a;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.graphdb.Node b;
Node b;
using (Transaction tx = Db.beginTx())
{
(a = Db.createNode()).createRelationshipTo(b = Db.createNode(), MyRelTypes.TEST);
tx.Success();
}
// WHEN
Race race = new Race();
// a bunch of deleters
for (int i = 0; i < 30; i++)
{
race.AddContestant(() =>
{
for (int j = 0; j < 10; j++)
{
using (Transaction tx = Db.beginTx())
{
Node node = Random.nextBoolean() ? a : b;
foreach (Relationship relationship in node.Relationships)
{
try
{
relationship.delete();
}
catch (NotFoundException e)
{
// This is OK and expected since there are multiple threads deleting
assertTrue(e.Message.contains("already deleted"));
}
}
tx.Success();
}
}
});
}
// a bunch of creators
for (int i = 0; i < 30; i++)
{
race.AddContestant(() =>
{
for (int j = 0; j < 10; j++)
{
using (Transaction tx = Db.beginTx())
{
bool order = Random.nextBoolean();
Node start = order ? a : b;
Node end = order ? b : a;
start.createRelationshipTo(end, MyRelTypes.Test);
tx.Success();
}
}
});
}
// THEN there should be no thread throwing exception, especially DeadlockDetectedException
race.Go();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReadConsistentPropertyValues() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReadConsistentPropertyValues()
{
// GIVEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final Node[] nodes = new Node[10];
Node[] nodes = new Node[10];
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String[] keys = new String[] {"1", "2", "3"};
string[] keys = new string[] { "1", "2", "3" };
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String[] values = new String[] { longString('a'), longString('b'), longString('c')};
string[] values = new string[] { LongString('a'), LongString('b'), LongString('c') };
using (Transaction tx = Db.beginTx())
{
for (int i = 0; i < nodes.Length; i++)
{
nodes[i] = Db.createNode();
foreach (string key in keys)
{
nodes[i].SetProperty(key, values[0]);
}
}
tx.Success();
}
int updaters = 10;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicLong updatersDone = new java.util.concurrent.atomic.AtomicLong(updaters);
AtomicLong updatersDone = new AtomicLong(updaters);
Race race = new Race();
for (int i = 0; i < updaters; i++)
{
// Changers
race.AddContestant(() =>
{
try
{
ThreadLocalRandom random = ThreadLocalRandom.current();
for (int j = 0; j < 100; j++)
{
Node node = nodes[random.Next(nodes.Length)];
string key = keys[random.Next(keys.Length)];
using (Transaction tx = Db.beginTx())
{
node.RemoveProperty(key);
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
node.SetProperty(key, values[random.Next(values.Length)]);
tx.Success();
}
}
}
finally
{
updatersDone.decrementAndGet();
}
});
}
for (int i = 0; i < 100; i++)
{
// Readers
race.AddContestant(() =>
{
ThreadLocalRandom random = ThreadLocalRandom.current();
while (updatersDone.get() > 0)
{
using (Transaction tx = Db.beginTx())
{
string value = ( string )nodes[random.Next(nodes.Length)].getProperty(keys[random.Next(keys.Length)], null);
assertTrue(value, string.ReferenceEquals(value, null) || ArrayUtil.contains(values, value));
tx.Success();
}
}
});
}
// WHEN
race.Go();
}