stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/__Tests/StellaOps.Cryptography.Tests/DefaultCryptoHashTests.Hex.cs

@@ -0,0 +1,31 @@
+using System.IO;
+using System.Security.Cryptography;
+using StellaOps.Cryptography;
+using StellaOps.TestKit;
+using Xunit;
+
+namespace StellaOps.Cryptography.Tests;
+
+public sealed partial class DefaultCryptoHashTests
+{
+    [Trait("Category", TestCategories.Unit)]
+    [Fact]
+    public void ComputeHashHex_Sha256_MatchesBclLowerHex()
+    {
+        var hash = CryptoHashFactory.CreateDefault();
+        var expected = Convert.ToHexStringLower(SHA256.HashData(_sample));
+        var actual = hash.ComputeHashHex(_sample, HashAlgorithms.Sha256);
+        Assert.Equal(expected, actual);
+    }
+
+    [Trait("Category", TestCategories.Unit)]
+    [Fact]
+    public async Task ComputeHashHex_Sha256_MatchesBclLowerHex_Async()
+    {
+        var hash = CryptoHashFactory.CreateDefault();
+        var expected = Convert.ToHexStringLower(SHA256.HashData(_sample));
+        await using var stream = new MemoryStream(_sample);
+        var actual = await hash.ComputeHashHexAsync(stream, HashAlgorithms.Sha256);
+        Assert.Equal(expected, actual);
+    }
+}