def testWritingCopy(self): s1 = Stroke() s1.append_point(Point(x=2, y=3)) s1.append_point(Point(x=3, y=4)) s2 = Stroke() s2.append_point(Point(x=2, y=3)) s2.append_point(Point(x=3, y=4)) w1 = Writing() w1.append_stroke(s1) w1.append_stroke(s2) w2 = w1.copy() self.assertTrue(w1 == w2)