added tests for selecting edges with BoxSelector
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		@ -206,6 +206,27 @@ class TestCQSelectors(BaseTest):
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            v = vl[0]
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            self.assertTupleAlmostEquals(d[2], (v.X, v.Y, v.Z), 3)
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        # test edge selection
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        test_data_edges = [
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            # box point0,       box point1,       edge center
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            ((0.4, -0.1, -0.1), (0.6, 0.1, 0.1), (0.5, 0.0, 0.0)),
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            ((-0.1, -0.1, 0.4), (0.1, 0.1, 0.6), (0.0, 0.0, 0.5)),
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            ((0.9, 0.9, 0.4), (1.1, 1.1, 0.6), (1.0, 1.0, 0.5)),
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            ((0.4, 0.9, 0.9), (0.6, 1.1, 1.1,), (0.5, 1.0, 1.0))
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        ]
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        for d in test_data_edges:
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            el = c.edges(selectors.BoxSelector(d[0], d[1])).vals()
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            self.assertEqual(1, len(el))
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            ec = el[0].Center()
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            self.assertTupleAlmostEquals(d[2], (ec.x, ec.y, ec.z), 3)
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            # test again by swapping box points
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            el = c.edges(selectors.BoxSelector(d[1], d[0])).vals()
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            self.assertEqual(1, len(el))
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            ec = el[0].Center()
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            self.assertTupleAlmostEquals(d[2], (ec.x, ec.y, ec.z), 3)
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    def testFaceCount(self):
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        c = CQ(makeUnitCube())
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        self.assertEqual( 6, c.faces().size() )
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