Add BZip2 tests

SabreTools.IO.Test/Compression/BZip2Tests.cs

@@ -0,0 +1,41 @@
+using System;
+using System.IO;
+using System.Text;
+using SabreTools.IO.Compression.BZip2;
+using Xunit;
+
+namespace SabreTools.IO.Test.Compression
+{
+    public class BZip2Tests
+    {
+        [Fact]
+        public void BZip2InputStreamTest()
+        {
+            string path = Path.Combine(Environment.CurrentDirectory, "TestData", "file-to-compress.bin.bz2");
+            Stream input = File.OpenRead(path);
+            byte[] output = new byte[1024];
+
+            var bzip = new BZip2InputStream(input);
+            int actual = bzip.Read(output, 0, output.Length);
+            bzip.Close();
+
+            Assert.Equal(125, actual);
+            string str = Encoding.UTF8.GetString(output, 0, 125);
+            Assert.Equal("This is just a file that has a known set of hashes to make sure that everything with hashing is still working as anticipated.", str);
+        }
+
+        [Fact]
+        public void BZip2OutputStreamTest()
+        {
+            string path = Path.Combine(Environment.CurrentDirectory, "TestData", "file-to-compress.bin");
+            byte[] input = File.ReadAllBytes(path);
+            MemoryStream output = new MemoryStream();
+
+            var bzip = new BZip2OutputStream(output, leaveOpen: true);
+            bzip.Write(input, 0, input.Length);
+            bzip.Close();
+
+            Assert.Equal(122, output.Length);
+        }
+    }
+}

SabreTools.IO.Test/TestData/file-to-compress.bin

@@ -0,0 +1 @@
+This is just a file that has a known set of hashes to make sure that everything with hashing is still working as anticipated.