1 files changed, 20 insertions, 0 deletions
diff --git a/Q1.tests/Core/AddressingModesTests.cs b/Q1.tests/Core/AddressingModesTests.cs
new file mode 100644
index 0000000..19be64d
--- /dev/null
+++ b/Q1.tests/Core/AddressingModesTests.cs
@@ -0,0 +1,20 @@
+namespace Q1.tests.Core;
+
+using core;
+using core.Arch;
+
+[TestFixture]
+public class AddressingModesTests
+{
+
+    [Test]
+    public void LookupShouldHaveAddressingModes()
+    {
+        var populatedModes = AddressingModes.Lookup
+            .Where(x => x != default)
+            .ToArray();
+        
+        Assert.That(populatedModes, Has.Length.EqualTo(8), 
+            "Expected 8 addressing modes to be defined");
+    }
+}
+\ No newline at end of file