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Added additional test

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This commit is contained in:
Andrew Murray 2024-09-25 20:37:41 +10:00
parent 24e9961c4f
commit 7cf351cfc5
1 changed files with 14 additions and 0 deletions
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14
Tests/test_file_tiff.py
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@ -728,6 +728,20 @@ class TestFileTiff:
with Image.open(mp) as reread: with Image.open(mp) as reread:
assert reread.n_frames == 3 assert reread.n_frames == 3
def test_fixoffsets(self) -> None:
b = BytesIO(b"II\x2a\x00\x00\x00\x00\x00")
with TiffImagePlugin.AppendingTiffWriter(b) as a:
b.seek(0)
a.fixOffsets(1, isShort=True)
b.seek(0)
a.fixOffsets(1, isLong=True)
# Neither short nor long
b.seek(0)
with pytest.raises(RuntimeError):
a.fixOffsets(1)
def test_saving_icc_profile(self, tmp_path: Path) -> None: def test_saving_icc_profile(self, tmp_path: Path) -> None:
# Tests saving TIFF with icc_profile set. # Tests saving TIFF with icc_profile set.
# At the time of writing this will only work for non-compressed tiffs # At the time of writing this will only work for non-compressed tiffs