//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @BeforeEach void createPageCache()
internal virtual void CreatePageCache()
{
SingleFilePageSwapperFactory factory = new SingleFilePageSwapperFactory();
factory.Open(new DefaultFileSystemAbstraction(), Configuration.EMPTY);
MemoryAllocator mman = MemoryAllocator.createAllocator("8 MiB", new LocalMemoryTracker());
_jobScheduler = new ThreadPoolJobScheduler();
_pageCache = new MuninnPageCache(factory, mman, 256, PageCacheTracer.NULL, Org.Neo4j.Io.pagecache.tracing.cursor.PageCursorTracerSupplier_Fields.Null, EMPTY, _jobScheduler);
_layout = SimpleLongLayout.LongLayout().withFixedSize(true).build();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDetectAndThrowIOExceptionOnPartiallyCreatedFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldDetectAndThrowIOExceptionOnPartiallyCreatedFile()
{
// given a crashed-on-open index
File file = Storage.directory().file("index");
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
Process process = (new ProcessBuilder(asList("java", "-cp", System.getProperty("java.class.path"), this.GetType().FullName, file.AbsolutePath))).redirectError(INHERIT).redirectOutput(INHERIT).start();
Thread.Sleep(ThreadLocalRandom.current().Next(1_000));
int exitCode = process.destroyForcibly().waitFor();
// then reading it should either work or throw IOException
using (PageCache pageCache = Storage.pageCache())
{
SimpleLongLayout layout = longLayout().build();
// check readHeader
try
{
GBPTree.ReadHeader(pageCache, file, NO_HEADER_READER);
}
catch (Exception e) when(e is MetadataMismatchException || e is IOException)
{
// It's OK if the process was destroyed
assertNotEquals(0, exitCode);
}
// check constructor
try
{
(new GBPTreeBuilder <>(pageCache, file, layout)).Build().Dispose();
}
catch (Exception e) when(e is MetadataMismatchException || e is IOException)
{
// It's OK if the process was destroyed
assertNotEquals(0, exitCode);
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void mustReadWhatIsWritten() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void MustReadWhatIsWritten()
{
// given
Layout layout = SimpleLongLayout.LongLayout().withIdentifier(666).withMajorVersion(10).withMinorVersion(100).build();
Meta written = new Meta(( sbyte )1, ( sbyte )2, _pageSize, layout);
int offset = _cursor.Offset;
written.Write(_cursor, layout);
// when
_cursor.Offset = offset;
Meta read = Meta.Read(_cursor, layout);
// then
assertEquals(written.FormatIdentifier, read.FormatIdentifier);
assertEquals(written.FormatVersion, read.FormatVersion);
assertEquals(written.UnusedVersionSlot3, read.UnusedVersionSlot3);
assertEquals(written.UnusedVersionSlot4, read.UnusedVersionSlot4);
assertEquals(written.LayoutIdentifier, read.LayoutIdentifier);
assertEquals(written.LayoutMajorVersion, read.LayoutMajorVersion);
assertEquals(written.LayoutMinorVersion, read.LayoutMinorVersion);
assertEquals(written.PageSize, read.PageSize);
}