public static void HashBuilding2()
{
byte[] data = { 1, 2, 3 };
using var alg = new SHA256Managed();
using var builder = new HashBuilder("SHA-256");
var hash = new byte[builder.HashSize / 8];
builder.Add(data);
Equal(alg.HashSize / 8, builder.Build(hash));
Equal(hash, alg.ComputeHash(data));
}
public static void SequenceHash()
{
byte[] data = { 1, 2, 3, 5, 8, 13 };
using var alg = new SHA256Managed();
var hash = new byte[alg.HashSize / 8];
using var builder = new HashBuilder(alg);
builder.Add(new ChunkSequence <byte>(data, 3).ToReadOnlySequence());
Equal(alg.HashSize / 8, builder.Build(hash));
alg.Initialize();
Equal(hash, alg.ComputeHash(data));
}
public static void HashBuilding()
{
byte[] data = { 1, 2, 3 };
using var alg = new SHA256Managed();
var hash = new byte[alg.HashSize / 8];
using var builder = new HashBuilder(alg);
False(builder.IsEmpty);
builder.Add(data);
Equal(alg.HashSize / 8, builder.Build(hash));
alg.Initialize();
Equal(hash, alg.ComputeHash(data));
}
public static void PrimitiveValueHash()
{
var data = 20M;
using var alg = new SHA256Managed();
var hash = new byte[alg.HashSize / 8];
using var builder = new HashBuilder(alg);
builder.Add(data);
Equal(alg.HashSize / 8, builder.Build(hash));
builder.Reset();
var hash2 = hash.Clone() as byte[];
Array.Clear(hash2, 0, hash2.Length);
NotEqual(hash, hash2);
True(alg.TryComputeHash(Span.AsReadOnlyBytes(in data), hash2, out _));
Equal(hash, hash2);
}
public static void NotEnoughHashLength()
{
using var builder = new HashBuilder("SHA-256");
builder.Add(new byte[] { 1, 2, 3 });
Throws <InvalidOperationException>(() => builder.Build(new byte[1]));
}
