//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static void changeVersionNumber(org.neo4j.io.fs.FileSystemAbstraction fileSystem, java.io.File storeFile, String versionString) throws java.io.IOException
internal static void ChangeVersionNumber(FileSystemAbstraction fileSystem, File storeFile, string versionString)
{
sbyte[] versionBytes = UTF8.encode(versionString);
using (StoreChannel fileChannel = fileSystem.Open(storeFile, OpenMode.READ_WRITE))
{
fileChannel.Position(fileSystem.GetFileSize(storeFile) - versionBytes.Length);
fileChannel.write(ByteBuffer.wrap(versionBytes));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expected = IllegalArgumentException.class) public void shouldThrowWhenTryingToCreateFileThatAlreadyExists()
public virtual void ShouldThrowWhenTryingToCreateFileThatAlreadyExists()
{
// Given
FileSystemAbstraction fs = mock(typeof(FileSystemAbstraction));
when(fs.FileExists(_file)).thenReturn(false).thenReturn(true);
when(fs.GetFileSize(_file)).thenReturn(42L);
// When
new IndexProviderStore(_file, fs, MetaDataStore.versionStringToLong("3.5"), false);
// Then
// exception is thrown
}
public override long GetFileSize(File fileName)
{
return(@delegate.GetFileSize(fileName));
}