Add test for distance2 in grid.py (aimacode#209)

youthinkk · norvig · commit 2e12e83affe7 · 2016-04-10T04:27:59.000-07:00
diff --git a/tests/test_grid.py b/tests/test_grid.py
@@ -10,6 +10,10 @@ def test_distance():
     assert distance((1, 2), (5, 5)) == 5.0
 
 
+def test_distance2():
+	assert distance2((1, 2), (5, 5)) == 25.0
+
+
 def test_vector_clip():
     assert vector_clip((-1, 10), (0, 0), (9, 9)) == (0, 9)
 
