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Merge pull request #8723 from radarhere/tiff_iimm

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Hugo van Kemenade 2025-01-31 17:53:06 +02:00 committed by GitHub
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1 changed files with 4 additions and 2 deletions
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Tests/test_file_tiff.py
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@ -780,15 +780,17 @@ class TestFileTiff:
data = b"II\x2A\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" data = b"II\x2A\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
b = BytesIO(data) b = BytesIO(data)
with TiffImagePlugin.AppendingTiffWriter(b) as a: with TiffImagePlugin.AppendingTiffWriter(b) as a:
a.seek(-4, os.SEEK_CUR)
a.writeLong(2**32 - 1) a.writeLong(2**32 - 1)
assert b.getvalue() == data + b"\xff\xff\xff\xff" assert b.getvalue() == data[:-4] + b"\xff\xff\xff\xff"
def test_appending_tiff_writer_rewritelastshorttolong(self) -> None: def test_appending_tiff_writer_rewritelastshorttolong(self) -> None:
data = b"II\x2A\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" data = b"II\x2A\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
b = BytesIO(data) b = BytesIO(data)
with TiffImagePlugin.AppendingTiffWriter(b) as a: with TiffImagePlugin.AppendingTiffWriter(b) as a:
a.seek(-2, os.SEEK_CUR)
a.rewriteLastShortToLong(2**32 - 1) a.rewriteLastShortToLong(2**32 - 1)
assert b.getvalue() == data[:-2] + b"\xff\xff\xff\xff" assert b.getvalue() == data[:-4] + b"\xff\xff\xff\xff"
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.