test_io.py 文件源码

def test_default_field_format(self):
        # Test default format
        data = "0, 1, 2.3\n4, 5, 6.7"
        mtest = np.ndfromtxt(TextIO(data),
                             delimiter=",", dtype=None, defaultfmt="f%02i")
        ctrl = np.array([(0, 1, 2.3), (4, 5, 6.7)],
                        dtype=[("f00", int), ("f01", int), ("f02", float)])
        assert_equal(mtest, ctrl)