Examples with InMemoryClosableChannel org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel used on opensource projects

Example 66 with InMemoryClosableChannel

use of org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel in project neo4j by neo4j.

the class InMemoryCountsStoreSnapshotDeserializerTest method correctlyDeserializeIndexStatistics.

@Test
public void correctlyDeserializeIndexStatistics() throws IOException {
    //GIVEN
    long indexId = 1;
    serializedBytes = ByteBuffer.allocate(1000);
    InMemoryClosableChannel logChannel = new InMemoryClosableChannel(serializedBytes.array(), false);
    writeSimpleHeader(logChannel);
    logChannel.put(INDEX_STATISTICS.code);
    logChannel.putLong(indexId);
    logChannel.putLong(1);
    logChannel.putLong(1);
    //WHEN
    IndexStatisticsKey expectedNode = CountsKeyFactory.indexStatisticsKey(indexId);
    CountsSnapshot countsSnapshot = deserialize(logChannel);
    //THEN
    assertNotNull(countsSnapshot.getMap().get(expectedNode));
    assertArrayEquals(new long[] { 1, 1 }, countsSnapshot.getMap().get(expectedNode));
}