test__dynamicarray.py 文件源码

def test_resize(self):
        a = DynamicArray(0, numpy.dtype(numpy.int8))
        a.extend([0, 1, 4, 9])
        self.assertEqual(len(a), 4)
        self.assertEqual(len(a.data), 4)
        self.assertEqual(a.data.tolist(), [0, 1, 4, 9])

        a.resize(2)
        self.assertEqual(len(a), 2)
        self.assertEqual(len(a.data), 2)
        self.assertEqual(a.data.tolist(), [0, 1])

        request = a.capacity * 2
        a.resize(request)
        self.assertEqual(len(a), request)
        self.assertEqual(len(a.data), request)
        self.assertGreaterEqual(a.capacity, request)
        self.assertEqual(a.data.tolist()[:2], [0, 1])