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44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import sys
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from .helper import unittest, PillowTestCase
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# This test is not run automatically.
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#
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# It requires > 2gb memory for the >2 gigapixel image generated in the
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# second test. Running this automatically would amount to a denial of
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# service on our testing infrastructure. I expect this test to fail
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# on any 32-bit machine, as well as any smallish things (like
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# Raspberry Pis).
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from PIL import Image
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try:
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import numpy as np
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except ImportError:
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raise unittest.SkipTest("numpy not installed")
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YDIM = 32769
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XDIM = 48000
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@unittest.skipIf(sys.maxsize <= 2 ** 32, "requires 64-bit system")
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class LargeMemoryNumpyTest(PillowTestCase):
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def _write_png(self, xdim, ydim):
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dtype = np.uint8
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a = np.zeros((xdim, ydim), dtype=dtype)
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f = self.tempfile("temp.png")
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im = Image.fromarray(a, "L")
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im.save(f)
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def test_large(self):
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""" succeeded prepatch"""
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self._write_png(XDIM, YDIM)
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def test_2gpx(self):
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"""failed prepatch"""
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self._write_png(XDIM, XDIM)
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if __name__ == "__main__":
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unittest.main()
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