/* Randomized tests */
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSplitCorrectly() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSplitCorrectly()
{
// GIVEN
using (GBPTree <KEY, VALUE> index = index())
{
// WHEN
int count = 1_000;
IList <KEY> seen = new List <KEY>(count);
using (Writer <KEY, VALUE> writer = index.Writer())
{
for (int i = 0; i < count; i++)
{
KEY key;
do
{
key = key(_random.Next(100_000));
} while (ListContains(seen, key));
VALUE value = value(i);
writer.Put(key, value);
seen.Add(key);
}
}
// THEN
using (RawCursor <Hit <KEY, VALUE>, IOException> cursor = index.Seek(Key(0), Key(long.MaxValue)))
{
long prev = -1;
while (cursor.Next())
{
KEY hit = cursor.get().key();
long hitSeed = _layout.keySeed(hit);
if (hitSeed < prev)
{
fail(hit + " smaller than prev " + prev);
}
prev = hitSeed;
assertTrue(RemoveFromList(seen, hit));
}
if (seen.Count > 0)
{
fail("expected hits " + seen);
}
}
}
}
private long KeySeed(KEY key)
{
return(_layout.keySeed(key));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldStayCorrectAfterRandomModifications() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldStayCorrectAfterRandomModifications()
{
// GIVEN
using (GBPTree <KEY, VALUE> index = CreateIndex())
{
IComparer <KEY> keyComparator = _layout;
IDictionary <KEY, VALUE> data = new SortedDictionary <KEY, VALUE>(keyComparator);
int count = 100;
int totalNumberOfRounds = 10;
for (int i = 0; i < count; i++)
{
data[RandomKey(Random.random())] = RandomValue(Random.random());
}
// WHEN
using (Writer <KEY, VALUE> writer = CreateWriter(index))
{
foreach (KeyValuePair <KEY, VALUE> entry in data.SetOfKeyValuePairs())
{
writer.Put(entry.Key, entry.Value);
}
}
for (int round = 0; round < totalNumberOfRounds; round++)
{
// THEN
for (int i = 0; i < count; i++)
{
KEY first = RandomKey(Random.random());
KEY second = RandomKey(Random.random());
KEY from;
KEY to;
if (_layout.keySeed(first) < _layout.keySeed(second))
{
from = first;
to = second;
}
else
{
from = second;
to = first;
}
IDictionary <KEY, VALUE> expectedHits = expectedHits(data, from, to, keyComparator);
using (RawCursor <Hit <KEY, VALUE>, IOException> result = index.Seek(from, to))
{
while (result.Next())
{
KEY key = result.get().key();
if (expectedHits.Remove(key) == null)
{
fail("Unexpected hit " + key + " when searching for " + from + " - " + to);
}
assertTrue(keyComparator.Compare(key, from) >= 0);
if (keyComparator.Compare(from, to) != 0)
{
assertTrue(keyComparator.Compare(key, to) < 0);
}
}
if (expectedHits.Count > 0)
{
fail("There were results which were expected to be returned, but weren't:" + expectedHits + " when searching range " + from + " - " + to);
}
}
}
index.Checkpoint(Org.Neo4j.Io.pagecache.IOLimiter_Fields.Unlimited);
RandomlyModifyIndex(index, data, Random.random(), (double)round / totalNumberOfRounds);
}
// and finally
index.ConsistencyCheck();
}
}
