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Test DIB header size

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Andrew Murray 2024-04-10 21:50:17 +10:00 committed by Jonah Jeleniewski
parent e2a57263c7
commit 94fe670c0b
1 changed files with 24 additions and 1 deletions
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25
Tests/test_file_bmp.py
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@ -5,7 +5,7 @@ from pathlib import Path
import pytest
from PIL import BmpImagePlugin, Image
from PIL import BmpImagePlugin, Image, _binary
from .helper import (
assert_image_equal,
@ -128,6 +128,29 @@ def test_load_dib() -> None:
assert_image_equal_tofile(im, "Tests/images/clipboard_target.png")
@pytest.mark.parametrize(
"header_size, path",
(
(12, "g/pal8os2.bmp"),
(40, "g/pal1.bmp"),
(52, "q/rgb32h52.bmp"),
(56, "q/rgba32h56.bmp"),
(64, "q/pal8os2v2.bmp"),
(108, "g/pal8v4.bmp"),
(124, "g/pal8v5.bmp"),
),
)
def test_dib_header_size(header_size, path):
image_path = "Tests/images/bmp/" + path
with open(image_path, "rb") as fp:
data = fp.read()[14:]
assert _binary.i32le(data) == header_size
dib = io.BytesIO(data)
with Image.open(dib) as im:
im.load()
def test_save_dib(tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.dib")