public void SeekThrowsWithInvalidPosition
(
long fileSize,
long defaultPosition,
long offset,
SeekOrigin origin
)
{
// Create the download stream.
var stream = new FileDownloadStreamProxy(Mock.Of <ObjectFile>(), Mock.Of <Vault>())
{
Position = defaultPosition
};
Assert.AreEqual(defaultPosition, stream.Position);
// Attempt to seek.
stream.Position = defaultPosition;
stream.Seek(offset, origin);
}
[DataRow(100, 90, 20, SeekOrigin.Current, 110)] // Allow position > length.
public void SeekProcessesValidPosition
(
long fileSize,
long defaultPosition,
long offset,
SeekOrigin origin,
long expectedNewPosition
)
{
// Create the download stream.
var stream = new FileDownloadStreamProxy(Mock.Of <ObjectFile>(), Mock.Of <Vault>())
{
Position = defaultPosition
};
Assert.AreEqual(defaultPosition, stream.Position);
stream.SetLength(fileSize);
Assert.AreEqual(fileSize, stream.Length);
// Attempt to seek.
Assert.AreEqual(expectedNewPosition, stream.Seek(offset, origin));
}