special-case BGR;15 and BGR;16 color values

Yay295 · Mar 30, 2024 · 355d9d9 · 355d9d9
1 parent 980ef07
commit 355d9d9
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/Tests/test_image.py b/Tests/test_image.py
@@ -696,7 +696,15 @@ def _make_new(
 
     @pytest.mark.parametrize("mode", image_modes)
     def test_pixels_from_new_image_by_color(self, mode: ImageModeInfo) -> None:
-        color = 123 if mode.num_bands == 1 else tuple(range(mode.num_bands))
+        if mode.name in ("BGR;15", "BGR;16"):
+            # These modes have fewer than 8 bits per band,
+            # so not all values can be round-tripped.
+            color = (16, 32, 49)
+        elif mode.num_bands == 1:
+            color = 123
+        else:
+            color = tuple(range(mode.num_bands))
+
         im = Image.new(mode.name, (2, 2), color=color)
 
         assert im.getpixel((0, 0)) == color