def test_union_normal_normal(self) -> None:
bounds1 = Bounds(1, 3)
bounds2 = Bounds(3, 5)
bounds3 = bounds1.union(bounds2)
assert bounds3 is not bounds1
assert bounds3 is not bounds2
assert list(bounds3) == [1, 2, 3, 4]
def test_union_empty_empty(self) -> None:
bounds1 = Bounds()
bounds2 = Bounds()
bounds3 = bounds1.union(bounds2)
assert bounds3 is not bounds1
assert bounds3 is not bounds2
assert len(bounds3) == 0
def test_union_empty_normal(self) -> None:
bounds1 = Bounds()
bounds2 = Bounds(3, 5)
bounds3 = bounds1.union(bounds2)
assert bounds3 is not bounds1
assert bounds3 is not bounds2
assert list(bounds3) == [3, 4]
def test_union_normal_normal(self):
bounds1 = Bounds(1, 3)
bounds2 = Bounds(3, 5)
bounds3 = bounds1.union(bounds2)
self.assertTrue(bounds3 is not bounds1)
self.assertTrue(bounds3 is not bounds2)
self.assertEquals(list(bounds3), [1, 2, 3, 4])
def test_union_normal_empty(self):
bounds1 = Bounds(1, 3)
bounds2 = Bounds()
bounds3 = bounds1.union(bounds2)
self.assertTrue(bounds3 is not bounds1)
self.assertTrue(bounds3 is not bounds2)
self.assertEquals(list(bounds3), [1, 2])
def test_union_empty_normal(self):
bounds1 = Bounds()
bounds2 = Bounds(3, 5)
bounds3 = bounds1.union(bounds2)
self.assertTrue(bounds3 is not bounds1)
self.assertTrue(bounds3 is not bounds2)
self.assertEquals(list(bounds3), [3, 4])
def test_union_empty_empty(self):
bounds1 = Bounds()
bounds2 = Bounds()
bounds3 = bounds1.union(bounds2)
self.assertTrue(bounds3 is not bounds1)
self.assertTrue(bounds3 is not bounds2)
self.assertEquals(len(bounds3), 0)
def test_union_normal_empty(self):
bounds1 = Bounds(1, 3)
bounds2 = Bounds()
bounds3 = bounds1.union(bounds2)
assert bounds3 is not bounds1
assert bounds3 is not bounds2
assert list(bounds3) == [1, 2]
