[bezierTools_test] add test for curve to curve touching one another

fonttools · Nov 28, 2023 · 417558c · 417558c
1 parent cd028c9
commit 417558c
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/Tests/misc/bezierTools_test.py b/Tests/misc/bezierTools_test.py
@@ -197,3 +197,10 @@ def test_intersections_linelike():
     seg2 = [(0.0, 0.5), (0.25, 0.5), (0.75, 0.5), (1.0, 0.5)]
     pt = curveCurveIntersections(seg1, seg2)[0][0]
     assert pt == (0.0, 0.5)
+
+
+def test_curve_curve_touching_each_other():
+    seg1 = [(0,0), (0,100), (100,100), (100,0)]
+    seg2 = [(0,150), (0,50), (100,50), (100,150)]
+    pt = curveCurveIntersections(seg1, seg2)[0][0]
+    assert pt == pytest.approx((50.0, 75.0), rel=1e-2)