diff --git a/README.MD b/README.MD
index ff5d068..c2662b7 100644
--- a/README.MD
+++ b/README.MD
@@ -28,7 +28,7 @@ Various compression implementations that are used across multiple projects. Most
 | LZ | Yes | No | KWAJ, QBasic 4.5, and SZDD variants; KWAJ incomplete |
 | LZX | No | No | |
 | MSZIP | Yes | No | |
-| Quantum | Yes* | No | Partial implementation based on standalone archives |
+| Quantum | Yes* | No | Partial implementation based on standalone archives; not working |
 
 **Note:** If something is marked with a `*` it means that it need testing.
 
diff --git a/SabreTools.IO.Test/Compression/MSZIPTests.cs b/SabreTools.IO.Test/Compression/MSZIPTests.cs
index 9357744..064e4d0 100644
--- a/SabreTools.IO.Test/Compression/MSZIPTests.cs
+++ b/SabreTools.IO.Test/Compression/MSZIPTests.cs
@@ -1,6 +1,5 @@
 using System;
 using System.IO;
-using System.Text;
 using SabreTools.IO.Compression.MSZIP;
 using SabreTools.IO.Extensions;
 using Xunit;
diff --git a/SabreTools.IO.Test/Compression/QuantumTests.cs b/SabreTools.IO.Test/Compression/QuantumTests.cs
new file mode 100644
index 0000000..33afc00
--- /dev/null
+++ b/SabreTools.IO.Test/Compression/QuantumTests.cs
@@ -0,0 +1,29 @@
+using System;
+using System.IO;
+using SabreTools.IO.Compression.Quantum;
+using Xunit;
+
+namespace SabreTools.IO.Test.Compression
+{
+    public class QuantumTests
+    {
+        // This test is disabled for the forseeable future. The current Quantum
+        // processing code only handles standalone Quantum archives in theory.
+        // There is additional work that needs to be done to support MS-CAB padding
+        // before this test will pass properly.
+
+        //[Fact]
+        public void DecompressorTest()
+        {
+            // Testing Note: This is a fake file that has been taken
+            // from the CFDATA block of a cabinet file.
+            string path = Path.Combine(Environment.CurrentDirectory, "TestData", "test-archive.qtm");
+            byte[] inputBytes = File.ReadAllBytes(path);
+
+            var decompressor = Decompressor.Create(inputBytes, 19);
+            byte[] output = decompressor.Process();
+
+            Assert.Equal(38470, output.Length);
+        }
+    }
+}
\ No newline at end of file
diff --git a/SabreTools.IO.Test/TestData/test-archive.qtm b/SabreTools.IO.Test/TestData/test-archive.qtm
new file mode 100644
index 0000000..474d211
Binary files /dev/null and b/SabreTools.IO.Test/TestData/test-archive.qtm differ