public void OverwriteDoesntChangeLength()
{
var memoryStream1 = new MemoryStream(new byte[10]);
var memoryStream2 = new MemoryStream(new byte[10]);
var fileSystem = new FakeFileSystem(memoryStream1, memoryStream2, null);
var partitioningStream = new PartitioningFileStream(fileSystem, "FileName", "ext", 6, FileAccess.Write);
partitioningStream.Write(new byte[5], 0, 5);
Assert.AreEqual(20, partitioningStream.Length);
}
public void ExpandLengthTwoFiles()
{
var memoryStream1 = new MemoryStream();
var memoryStream2 = new MemoryStream();
var fileSystem = new FakeFileSystem(memoryStream1, memoryStream2, null);
var partitioningStream = new PartitioningFileStream(fileSystem, "FileName", "ext", 10, FileAccess.Write);
partitioningStream.Write(new byte[20], 0, 15);
Assert.AreEqual(15, partitioningStream.Length);
}
public void PositionAfterWrite()
{
var memoryStream1 = new MemoryStream();
var fileSystem = new FakeFileSystem(memoryStream1, null, null);
var partitioningStream = new PartitioningFileStream(fileSystem, "FileName", "ext", 10, FileAccess.Write);
var buffer = new byte[9];
partitioningStream.Write(buffer, 0, 9);
Assert.AreEqual(9, partitioningStream.Position);
}
public void PositionAfterReadThenWriteIntoSecondFile()
{
var memoryStream1 = new MemoryStream(new byte[20]);
var memoryStream2 = new MemoryStream(new byte[20]);
var fileSystem = new FakeFileSystem(memoryStream1, memoryStream2, null);
var partitioningStream = new PartitioningFileStream(fileSystem, "FileName", "ext", 20, FileAccess.Write);
var buffer = new byte[40];
partitioningStream.Read(buffer, 0, 20);
partitioningStream.Write(buffer, 0, 10);
Assert.AreEqual(30, partitioningStream.Position);
}
public void FilesAreClosed()
{
var stream1 = new TestStream();
var memoryStream2 = new MemoryStream();
var fileSystem = new FakeFileSystem(stream1, memoryStream2, null);
var partitioningStream = new PartitioningFileStream(fileSystem, "FileName", "ext", 6, FileAccess.Write);
const string helloWorld = "Hello, World!";
var buffer = Encoding.ASCII.GetBytes(helloWorld);
partitioningStream.Write(buffer, 0, buffer.Length);
Assert.IsTrue(stream1.HasCalledClose);
}
public void Write()
{
var memoryStream = new MemoryStream();
var fileSystem = new FakeFileSystem(memoryStream, null, null);
var partitioningStream = new PartitioningFileStream(fileSystem, "FileName", "ext", 100, FileAccess.Write);
const string helloWorld = "Hello, World!";
var buffer = Encoding.ASCII.GetBytes(helloWorld);
partitioningStream.Write(buffer, 0, buffer.Length);
partitioningStream.Flush();
Assert.AreEqual(helloWorld, Encoding.ASCII.GetString(memoryStream.ToArray()));
}