def test_bisect_variable(self):
b = Box([x, y, z])
(b1, b2) = b.bisect(x)
self.assertEqual(b1[x].ub(), 0)
self.assertEqual(b2[x].lb(), 0)
def test_index(self):
b = Box([x, y, z])
self.assertEqual(b.index(x), 0)
def test_bisect_int(self):
b = Box([x, y, z])
(b1, b2) = b.bisect(0)
self.assertEqual(b1[0].ub(), 0)
self.assertEqual(b2[0].lb(), 0)
def test_get_set_item_variable(self):
b = Box([x, y, z])
b[x] = Interval(3, 4)
self.assertEqual(b[x], Interval(3, 4))
def test_get_set_item_int(self):
b = Box([x, y, z])
self.assertEqual(b.variable(0), x)
b[0] = Interval(3, 4)
self.assertEqual(b[0], Interval(3, 4))
def test_string(self):
b = Box([x])
self.assertEqual(str(b), "x : [ ENTIRE ]")
self.assertEqual(repr(b), '<Box "x : [ ENTIRE ]">')
def test_size_empty_set_empty(self):
b = Box([x, y, z])
self.assertEqual(b.size(), 3)
self.assertFalse(b.empty())
b.set_empty()
self.assertTrue(b.empty())
def test_copy_constructor(self):
b1 = Box([x, y, z])
b2 = Box([x, y, z])
self.assertEqual(b1, b2)
b2.set_empty()
self.assertNotEqual(b1, b2)
def test_add(self):
b = Box([x])
b.Add(y)
b.Add(z, 2, 5)
self.assertEqual(b[y], Interval())
self.assertEqual(b[z], Interval(2, 5))
def test_minimize2(self):
b = Box([x])
result = Minimize(objective, constraint, 0.00001, b)
self.assertTrue(result)
self.assertAlmostEqual(b[x].mid(), -1.5, places=2)