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make the tiff test less sensitive to rounding

This commit is contained in:
John Cupitt 2021-05-01 23:26:28 +01:00
parent 03f76b73b4
commit 0eda488c60
1 changed files with 2 additions and 2 deletions
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4
test/test-suite/test_foreign.py
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@ -514,13 +514,13 @@ class TestForeign:
self.rgba.write_to_file(filename, premultiply=True) self.rgba.write_to_file(filename, premultiply=True)
a = pyvips.Image.new_from_file(filename) a = pyvips.Image.new_from_file(filename)
b = self.rgba.premultiply().cast("uchar").unpremultiply().cast("uchar") b = self.rgba.premultiply().cast("uchar").unpremultiply().cast("uchar")
assert a.avg() == b.avg() assert (a == b).min() == 255
a = pyvips.Image.new_from_buffer(buf, "", page=2) a = pyvips.Image.new_from_buffer(buf, "", page=2)
b = pyvips.Image.new_from_buffer(buf2, "", page=2) b = pyvips.Image.new_from_buffer(buf2, "", page=2)
assert a.width == b.width assert a.width == b.width
assert a.height == b.height assert a.height == b.height
assert a.avg() == b.avg() assert (a == b).min() == 255
# just 0/255 in each band, shrink with mode and all pixels should be 0 # just 0/255 in each band, shrink with mode and all pixels should be 0
# or 255 in layer 1 # or 255 in layer 1