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Test for libtiff, n_frames and seek.

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This commit is contained in:
Marcus Brinkmann 2016-11-17 13:43:11 +01:00
parent 17d38d0905
commit 19d30c170e
1 changed files with 14 additions and 1 deletions
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13
Tests/test_file_libtiff.py
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@ -399,6 +399,19 @@ class TestFileLibTiff(LibTiffTestCase):
TiffImagePlugin.READ_LIBTIFF = False TiffImagePlugin.READ_LIBTIFF = False
def test_multipage_nframes(self):
# issue #862
TiffImagePlugin.READ_LIBTIFF = True
im = Image.open('Tests/images/multipage.tiff')
frames = im.n_frames
self.assertEqual(frames, 3)
for idx in range(frames):
im.seek(0)
# Should not raise ValueError: I/O operation on closed file
im.load()
TiffImagePlugin.READ_LIBTIFF = False
def test__next(self): def test__next(self):
TiffImagePlugin.READ_LIBTIFF = True TiffImagePlugin.READ_LIBTIFF = True
im = Image.open('Tests/images/hopper.tif') im = Image.open('Tests/images/hopper.tif')