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Improved coverage

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This commit is contained in:
Andrew Murray 2026-01-14 19:42:18 +11:00
parent e2b87a0420
commit 2e9d54887b
1 changed files with 15 additions and 1 deletions
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16
Tests/test_imagepalette.py
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@ -1,10 +1,11 @@
from __future__ import annotations
from io import BytesIO
from pathlib import Path
import pytest
from PIL import Image, ImagePalette
from PIL import Image, ImagePalette, PaletteFile
from .helper import assert_image_equal, assert_image_equal_tofile
@ -202,6 +203,19 @@ def test_2bit_palette(tmp_path: Path) -> None:
assert_image_equal_tofile(img, outfile)
def test_getpalette() -> None:
b = BytesIO(b"0 1\n1 2 3 4")
p = PaletteFile.PaletteFile(b)
palette, rawmode = p.getpalette()
assert palette[:6] == b"\x01\x01\x01\x02\x03\x04"
assert rawmode == "RGB"
def test_invalid_palette() -> None:
with pytest.raises(OSError):
ImagePalette.load("Tests/images/hopper.jpg")
b = BytesIO(b"1" * 101)
with pytest.raises(SyntaxError, match="bad palette file"):
PaletteFile.PaletteFile(b)