//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void mustNotThrowIfHeaderLongEnough()
internal virtual void MustNotThrowIfHeaderLongEnough()
{
ByteBuffer emptyBuffer = ByteBuffer.wrap(new sbyte[1]);
NativeIndexHeaderReader nativeIndexHeaderReader = new NativeIndexHeaderReader(NO_HEADER_READER);
nativeIndexHeaderReader.Read(emptyBuffer);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static String readFailureMessage(org.neo4j.io.pagecache.PageCache pageCache, java.io.File indexFile) throws java.io.IOException
internal static string ReadFailureMessage(PageCache pageCache, File indexFile)
{
NativeIndexHeaderReader headerReader = new NativeIndexHeaderReader(NO_HEADER_READER);
GBPTree.readHeader(pageCache, indexFile, headerReader);
return(headerReader.FailureMessage);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void mustReportFailedIfHeaderTooShort()
internal virtual void MustReportFailedIfHeaderTooShort()
{
ByteBuffer emptyBuffer = ByteBuffer.wrap(new sbyte[1]);
NativeIndexHeaderReader nativeIndexHeaderReader = new NativeIndexHeaderReader(ByteBuffer.get);
nativeIndexHeaderReader.Read(emptyBuffer);
assertSame(BYTE_FAILED, nativeIndexHeaderReader.State);
assertThat(nativeIndexHeaderReader.FailureMessage, containsString("Could not read header, most likely caused by index not being fully constructed. Index needs to be recreated. Stacktrace:"));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static org.neo4j.internal.kernel.api.InternalIndexState readState(org.neo4j.io.pagecache.PageCache pageCache, java.io.File indexFile) throws java.io.IOException
public static InternalIndexState ReadState(PageCache pageCache, File indexFile)
{
NativeIndexHeaderReader headerReader = new NativeIndexHeaderReader(NO_HEADER_READER);
GBPTree.readHeader(pageCache, indexFile, headerReader);
switch (headerReader.State)
{
case BYTE_FAILED:
return(InternalIndexState.FAILED);
case BYTE_ONLINE:
return(InternalIndexState.ONLINE);
case BYTE_POPULATING:
return(InternalIndexState.POPULATING);
default:
throw new System.InvalidOperationException("Unexpected initial state byte value " + headerReader.State);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertHeader(org.neo4j.internal.kernel.api.InternalIndexState expectedState, String failureMessage, boolean messageTruncated) throws java.io.IOException
private void AssertHeader(InternalIndexState expectedState, string failureMessage, bool messageTruncated)
{
NativeIndexHeaderReader headerReader = new NativeIndexHeaderReader(NO_HEADER_READER);
using (GBPTree <KEY, VALUE> ignored = (new GBPTreeBuilder <KEY, VALUE>(pageCache, IndexFile, layout)).with(headerReader).build())
{
switch (expectedState)
{
case InternalIndexState.ONLINE:
assertEquals("Index was not marked as online when expected not to be.", BYTE_ONLINE, headerReader.State);
assertNull("Expected failure message to be null when marked as online.", headerReader.FailureMessage);
break;
case InternalIndexState.FAILED:
assertEquals("Index was marked as online when expected not to be.", BYTE_FAILED, headerReader.State);
if (messageTruncated)
{
assertTrue(headerReader.FailureMessage.Length < failureMessage.Length);
assertTrue(failureMessage.StartsWith(headerReader.FailureMessage, StringComparison.Ordinal));
}
else
{
assertEquals(failureMessage, headerReader.FailureMessage);
}
break;
case InternalIndexState.POPULATING:
assertEquals("Index was not left as populating when expected to be.", BYTE_POPULATING, headerReader.State);
assertNull("Expected failure message to be null when marked as populating.", headerReader.FailureMessage);
break;
default:
throw new System.NotSupportedException("Unexpected index state " + expectedState);
}
}
}
