test_format.py 文件源码

def test_compressed_roundtrip():
    arr = np.random.rand(200, 200)
    npz_file = os.path.join(tempdir, 'compressed.npz')
    np.savez_compressed(npz_file, arr=arr)
    arr1 = np.load(npz_file)['arr']
    assert_array_equal(arr, arr1)