def test_tile_to_lat_lon_two(self):
"""Test the top right corner of zoom 0."""
z = 0
x = y = 1
lat, lon = Mercator.tile_to_lat_lon(z, x, y)
assert lon == 180.0 and lat == 85.0511287798066
z = 14
x = 11332
y = 9870
lat, lon = Mercator.tile_to_lat_lon(z, x, y)
assert lon == 68.994140625 and \
lat == 34.56085936708385
def test_tile_to_lat_lon_four(self):
"""Test a random tile to lat/lon."""
z = 14
x = 11333
y = 9871
lat, lon = Mercator.tile_to_lat_lon(z, x, y)
assert lon == 69.01611328125 and \
lat == 34.57895241036947
def test_tile_to_lat_lon_one(self):
"""Test conversion from tile coordinate to lat/lon."""
z = x = y = 0
lat, lon = Mercator.tile_to_lat_lon(z, x, y)
assert lon == -180.0 and lat == -85.0511287798066
