diff --git a/Tests/test_file_dds.py b/Tests/test_file_dds.py
new file mode 100644
index 000000000..a68e2884a
--- /dev/null
+++ b/Tests/test_file_dds.py
@@ -0,0 +1,55 @@
+from helper import unittest, PillowTestCase
+
+from PIL import Image, DdsImagePlugin
+
+TEST_FILE_DXT1 = "Tests/images/dxt1-rgb-4bbp-noalpha_MipMaps-1.dds"
+TEST_FILE_DXT5 = "Tests/images/dxt5-argb-8bbp-interpolatedalpha_MipMaps-1.dds"
+
+
+class TestFileCur(PillowTestCase):
+
+    def test_sanity_dxt1(self):
+        im = Image.open(TEST_FILE_DXT1)
+
+        self.assertEqual(im.size, (256, 256))
+        self.assertIsInstance(im, DdsImagePlugin.DdsImageFile)
+        # Check some pixel colors to ensure image is loaded properly
+        self.assertEqual(im.getpixel((10, 1)), (49, 50, 53, 44))
+        self.assertEqual(im.getpixel((11, 1)), (32, 50, 53, 53))
+        self.assertEqual(im.getpixel((16, 16)), (91, 48, 44, 32))
+
+    def test_sanity_dxt5(self):
+        im = Image.open(TEST_FILE_DXT5)
+
+        self.assertEqual(im.size, (256, 256))
+        self.assertIsInstance(im, DdsImagePlugin.DdsImageFile)
+        # Check some pixel colors to ensure image is loaded properly
+        self.assertEqual(im.getpixel((10, 1)), (49, 50, 53, 44))
+        self.assertEqual(im.getpixel((11, 1)), (32, 49, 50, 56))
+        self.assertEqual(im.getpixel((16, 16)), (91, 48, 44, 32))
+
+    def test__validate_true(self):
+        # Arrange
+        prefix = b"DDS etc"
+
+        # Act
+        output = DdsImagePlugin._validate(prefix)
+
+        # Assert
+        self.assertTrue(output)
+
+    def test__validate_false(self):
+        # Arrange
+        prefix = b"something invalid"
+
+        # Act
+        output = DdsImagePlugin._validate(prefix)
+
+        # Assert
+        self.assertFalse(output)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+# End of file