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Added test to check that png with null tRNS value defaults to a zero transparency value.

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This commit is contained in:
Justin Wilson 2015-05-27 09:45:27 -06:00
parent e317a729f3
commit e33b5c6355
2 changed files with 7 additions and 0 deletions
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Tests/test_file_png.py
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@ -354,6 +354,13 @@ class TestFilePng(PillowTestCase):
self.assert_image_equal(im2.convert('RGBA'), self.assert_image_equal(im2.convert('RGBA'),
im.convert('RGBA')) im.convert('RGBA'))
def test_trns_null(self):
# Check reading images with null tRNS value, issue #1239
test_file = "Tests/images/tRNS_null_1x1.png"
im = Image.open(test_file)
self.assertEqual(im.info["transparency"], 0)
def test_save_icc_profile_none(self): def test_save_icc_profile_none(self):
# check saving files with an ICC profile set to None (omit profile) # check saving files with an ICC profile set to None (omit profile)
in_file = "Tests/images/icc_profile_none.png" in_file = "Tests/images/icc_profile_none.png"