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"""Basic tests for Bounding box"""

__authors__ = ["H. Payno"]
__license__ = "MIT"
__date__ = "27/09/2019"


import unittest
import numpy
from silx.image._boundingbox import _BoundingBox


class TestBB(unittest.TestCase):
    """Some simple test on the bounding box class"""

    def test_creation(self):
        """test some constructors"""
        pts = numpy.array([(0, 0), (10, 20), (20, 0)])
        bb = _BoundingBox.from_points(pts)
        self.assertTrue(bb.bottom_left == (0, 0))
        self.assertTrue(bb.top_right == (20, 20))
        pts = numpy.array([(0, 10), (10, 20), (45, 30), (35, 0)])
        bb = _BoundingBox.from_points(pts)
        self.assertTrue(bb.bottom_left == (0, 0))
        print(bb.top_right)
        self.assertTrue(bb.top_right == (45, 30))

    def test_isIn_pt(self):
        """test the isIn function with points"""
        bb = _BoundingBox(bottom_left=(6, 2), top_right=(12, 6))
        self.assertTrue(bb.contains((10, 4)))
        self.assertTrue(bb.contains((6, 2)))
        self.assertTrue(bb.contains((12, 2)))
        self.assertFalse(bb.contains((0, 0)))
        self.assertFalse(bb.contains((20, 0)))
        self.assertFalse(bb.contains((10, 0)))

    def test_collide(self):
        """test the collide function"""
        bb1 = _BoundingBox(bottom_left=(6, 2), top_right=(12, 6))
        self.assertTrue(
            bb1.collide(_BoundingBox(bottom_left=(6, 2), top_right=(12, 6)))
        )
        bb1 = _BoundingBox(bottom_left=(6, 2), top_right=(12, 6))
        self.assertFalse(
            bb1.collide(_BoundingBox(bottom_left=(12, 2), top_right=(12, 2)))
        )

    def test_isIn_bb(self):
        """test the isIn function with other bounding box"""
        bb1 = _BoundingBox(bottom_left=(6, 2), top_right=(12, 6))
        self.assertTrue(
            bb1.contains(_BoundingBox(bottom_left=(6, 2), top_right=(12, 6)))
        )
        bb1 = _BoundingBox(bottom_left=(6, 2), top_right=(12, 6))
        self.assertTrue(
            bb1.contains(_BoundingBox(bottom_left=(12, 2), top_right=(12, 2)))
        )
        self.assertFalse(
            _BoundingBox(bottom_left=(12, 2), top_right=(12, 2)).contains(bb1)
        )
