public void CannotWriteForWriteMode()
{
// Arrange
var hashing = new HashingStream(new MemoryStream(), SHA1.Create(), false);
// Act, Assert
Action action = () => hashing.Read(new byte[1], 0, 1);
action.ShouldThrow <NotSupportedException>().Which.Message.Should().Be("The hashing stream is configured to write, not read.");
}
public void HasHashAfterFinishedReadingInReadMode()
{
// Arrange
var hashing = new HashingStream(new MemoryStream(new byte[0]), SHA1.Create(), true);
// Act
var read = hashing.Read(new byte[1], 0, 1);
// Assert
read.Should().Be(0);
hashing.Hash.Should().NotBeNull();
GetHash(hashing.Hash).Should().Be("DA39A3EE5E6B4B0D3255BFEF95601890AFD80709");
}
public void HashesPartialReadInReadMode()
{
// Arrange
var inner = new MemoryStream(Encoding.ASCII.GetBytes("foobar"));
var hashing = new HashingStream(inner, SHA1.Create(), true);
var buffer = new byte[3];
// Act
var read = hashing.Read(buffer, 0, 3);
hashing.Close();
// Assert
read.Should().Be(3);
GetHash(hashing.Hash).Should().Be("0BEEC7B5EA3F0FDBC95D0DD47F3C5BC275DA8A33");
}