Function test_truncated_file

lib/matplotlib/tests/test_png.py:29–39

(tmp_path)

def test_truncated_file(tmp_path):
    path = tmp_path / 'test.png'
    path_t = tmp_path / 'test_truncated.png'
    plt.savefig(path)
    with open(path, 'rb') as fin:
        buf = fin.read()
    with open(path_t, 'wb') as fout:
        fout.write(buf[:20])

    with pytest.raises(Exception):
        plt.imread(path_t)


def test_truncated_buffer():