3 from TestSketcher import SketcherTestCase
5 class SketcherSetPerpendicular(SketcherTestCase):
7 l1 = self.sketch.addLine(0, 0, 0, 1)
8 l2 = self.sketch.addLine(0, 0, 1, 1)
9 self.sketch.setPerpendicular(l1.result(), l2.result())
12 dot_product = (l1.endPointData().x() - l1.startPointData().x()) * \
13 (l2.endPointData().x() - l2.startPointData().x()) + \
14 (l1.endPointData().y() - l1.startPointData().y()) * \
15 (l2.endPointData().y() - l2.startPointData().y())
16 self.assertEqual(dot_product, 0.0)
18 if __name__ == "__main__":