From f54dd8458600ac4373078f2b43a86918627e2e0f Mon Sep 17 00:00:00 2001 From: Andrew Murray Date: Tue, 24 Oct 2023 12:44:00 +1100 Subject: [PATCH] Test unsupported autocontrast mode --- Tests/test_imageops.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Tests/test_imageops.py b/Tests/test_imageops.py index 6d153cceaf9..a3bb536cec2 100644 --- a/Tests/test_imageops.py +++ b/Tests/test_imageops.py @@ -433,6 +433,12 @@ def test_exif_transpose_in_place(): assert_image_equal(im, expected) +def test_autocontrast_unsupported_mode(): + im = Image.new("RGBA", (1, 1)) + with pytest.raises(OSError): + ImageOps.autocontrast(im) + + def test_autocontrast_cutoff(): # Test the cutoff argument of autocontrast with Image.open("Tests/images/bw_gradient.png") as img: