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Diffstat (limited to 'stsci/sphere/test/test_union.py')
| -rw-r--r-- | stsci/sphere/test/test_union.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/stsci/sphere/test/test_union.py b/stsci/sphere/test/test_union.py index b106907..24de9e6 100644 --- a/stsci/sphere/test/test_union.py +++ b/stsci/sphere/test/test_union.py @@ -214,3 +214,15 @@ if __name__ == '__main__': functions.sort() for k, v in functions: v() + + +def test_union_empty(): + p = polygon.SphericalPolygon.from_cone( + random.randrange(-180, 180), + random.randrange(20, 90), + random.randrange(5, 16), + steps=16) + + p2 = p.union(polygon.SphericalPolygon([])) + + assert_array_almost_equal(p2._points, p._points) |