diff --git a/test/__init__.py b/test/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/test/test_aspect.py b/test/test_aspect.py
new file mode 100644
index 0000000..f19afa9
--- /dev/null
+++ b/test/test_aspect.py
@@ -0,0 +1,17 @@
+
+from minfo import MediaInfo, Ratio, Resolution
+
+def test_square_source():
+    info = MediaInfo()
+    info.general = {
+
+    }
+    info.video = {
+        "Width": 576,
+        "Height": 576,
+        "DisplayAspectRatio": 1.778
+    }
+    info.determine_aspect_properties()
+
+    assert info.resolution == Resolution(576, 576)
+    assert info.pixel_aspect_ratio == Ratio(16, 9)