def testConstruct(self):
segment = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 4))
self.assertEqual(segment.start(), QgsPointXY(1, 2))
self.assertEqual(segment.end(), QgsPointXY(3, 4))
segment = QgsLineSegment2D(1, 2, 3, 4)
self.assertEqual(segment.start(), QgsPointXY(1, 2))
self.assertEqual(segment.end(), QgsPointXY(3, 4))
def testPointLeftOfLine(self):
segment = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 5))
self.assertEqual(segment.pointLeftOfLine(QgsPointXY(1.5, 6)), -1)
self.assertEqual(segment.pointLeftOfLine(QgsPointXY(1.5, -6)), 1)
self.assertEqual(segment.pointLeftOfLine(QgsPointXY(5, 8)), 0)
segment = QgsLineSegment2D(QgsPointXY(3, 5), QgsPointXY(1, 2))
self.assertEqual(segment.pointLeftOfLine(QgsPointXY(1.5, 6)), 1)
self.assertEqual(segment.pointLeftOfLine(QgsPointXY(1.5, -6)), -1)
self.assertEqual(segment.pointLeftOfLine(QgsPointXY(5, 8)), 0)
def testGettersSetters(self):
segment = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 4))
self.assertEqual(segment.start(), QgsPointXY(1, 2))
self.assertEqual(segment.end(), QgsPointXY(3, 4))
self.assertEqual(segment.startX(), 1)
self.assertEqual(segment.startY(), 2)
self.assertEqual(segment.endX(), 3)
self.assertEqual(segment.endY(), 4)
segment.setStartX(5)
self.assertEqual(segment.start(), QgsPointXY(5, 2))
self.assertEqual(segment.end(), QgsPointXY(3, 4))
self.assertEqual(segment.startX(), 5)
self.assertEqual(segment.startY(), 2)
self.assertEqual(segment.endX(), 3)
self.assertEqual(segment.endY(), 4)
segment.setStartY(6)
self.assertEqual(segment.start(), QgsPointXY(5, 6))
self.assertEqual(segment.end(), QgsPointXY(3, 4))
self.assertEqual(segment.startX(), 5)
self.assertEqual(segment.startY(), 6)
self.assertEqual(segment.endX(), 3)
self.assertEqual(segment.endY(), 4)
segment.setEndX(7)
self.assertEqual(segment.start(), QgsPointXY(5, 6))
self.assertEqual(segment.end(), QgsPointXY(7, 4))
self.assertEqual(segment.startX(), 5)
self.assertEqual(segment.startY(), 6)
self.assertEqual(segment.endX(), 7)
self.assertEqual(segment.endY(), 4)
segment.setEndY(8)
self.assertEqual(segment.start(), QgsPointXY(5, 6))
self.assertEqual(segment.end(), QgsPointXY(7, 8))
self.assertEqual(segment.startX(), 5)
self.assertEqual(segment.startY(), 6)
self.assertEqual(segment.endX(), 7)
self.assertEqual(segment.endY(), 8)
segment.setStart(QgsPointXY(1, 2))
self.assertEqual(segment.start(), QgsPointXY(1, 2))
self.assertEqual(segment.end(), QgsPointXY(7, 8))
self.assertEqual(segment.startX(), 1)
self.assertEqual(segment.startY(), 2)
self.assertEqual(segment.endX(), 7)
self.assertEqual(segment.endY(), 8)
segment.setEnd(QgsPointXY(3, 4))
self.assertEqual(segment.start(), QgsPointXY(1, 2))
self.assertEqual(segment.end(), QgsPointXY(3, 4))
self.assertEqual(segment.startX(), 1)
self.assertEqual(segment.startY(), 2)
self.assertEqual(segment.endX(), 3)
self.assertEqual(segment.endY(), 4)
def testEquality(self):
segment1 = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 4))
segment2 = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 4))
self.assertEqual(segment1, segment2)
self.assertFalse(segment1 != segment2)
segment2 = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 5))
self.assertNotEqual(segment1, segment2)
self.assertTrue(segment1 != segment2)
segment2 = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(5, 4))
self.assertNotEqual(segment1, segment2)
self.assertTrue(segment1 != segment2)
segment2 = QgsLineSegment2D(QgsPointXY(1, 5), QgsPointXY(3, 4))
self.assertNotEqual(segment1, segment2)
self.assertTrue(segment1 != segment2)
segment2 = QgsLineSegment2D(QgsPointXY(5, 2), QgsPointXY(3, 4))
self.assertNotEqual(segment1, segment2)
self.assertTrue(segment1 != segment2)
def testReverse(self):
segment = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 4))
segment.reverse()
self.assertEqual(segment.start(), QgsPointXY(3, 4))
self.assertEqual(segment.end(), QgsPointXY(1, 2))
def testLength(self):
segment = QgsLineSegment2D(QgsPointXY(1, 2), QgsPointXY(3, 5))
self.assertAlmostEqual(segment.length(), 3.60555127546, 5)
self.assertEqual(segment.lengthSquared(), 13)
