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python: raise errors in overflow and invalid tile ID cases

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This commit is contained in:
Brandon Liu
2022-12-22 21:56:23 +08:00
parent b23c98dd39
commit 78cde0d51f
2 changed files with 27 additions and 3 deletions
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21
python/test/test_tile.py
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@@ -52,6 +52,27 @@ class TestTileId(unittest.TestCase):
self.assertEqual(x, rx)
self.assertEqual(y, ry)
def test_tile_extremes(self):
for z in range(0,32):
dim = (1 << z) - 1
tl = tileid_to_zxy(zxy_to_tileid(z,0,0))
self.assertEqual(tl,(z,0,0))
tr = tileid_to_zxy(zxy_to_tileid(z,dim,0))
self.assertEqual(tr,(z,dim,0))
bl = tileid_to_zxy(zxy_to_tileid(z,0,dim))
self.assertEqual(bl,(z,0,dim))
br = tileid_to_zxy(zxy_to_tileid(z,dim,dim))
self.assertEqual(br,(z,dim,dim))
def test_invalid_tiles(self):
with self.assertRaises(Exception) as context:
tileid_to_zxy(18446744073709551615)
with self.assertRaises(Exception) as context:
zxy_to_tileid(32,0,0)
with self.assertRaises(Exception) as context:
zxy_to_tileid(0,1,1)
class TestFindTile(unittest.TestCase):
def test_find_tile_missing(self):