o
    :a                     @   sn   d dl mZ d dlmZ d dlZd dlmZ d dlmZ	 d dl
mZ edgddd	d
 Zdd Zdd ZdS )    )BytesIO)PathN)image_comparison)pyplotzpngsuite.pnggQ?)Ztolc                  C   s   t ttjd d} tjt| dfd t| D ]!\}}t	|}d }|j
dkr-tj}tj|||d ddg|d qt jd t dt|  d S )	Nzbaseline_images/pngsuitez	basn*.png   )Zfigsize   r   )Zextentcmapz#ddffff)sortedr   __file__parentglobpltZfigurelen	enumerateimreadndimcmZgrayZimshowZgcaZpatchZset_facecolorZset_xlim)filesifnamedatar    r   ;/usr/lib/python3/dist-packages/matplotlib/tests/test_png.pytest_pngsuite   s   

r   c                 C   s   |  d}t|d}t|d}t| t|d}| }W d    n1 s,w   Y  t|d}||d d  W d    n1 sJw   Y  t	t
 t| W d    d S 1 sew   Y  d S )Ntestztest.pngztest_truncated.pngrbwb   )mkdirstrjoinr   savefigopenreadwritepytestraises	Exceptionr   )Ztmpdirdr   Zfname_tZfinbufZfoutr   r   r   test_truncated_file   s   


"r*   c                  C   sl   t  } t|  | d t | d}|d tt t| W d    d S 1 s/w   Y  d S )Nr   r   )	r   r   r!   seekr#   r%   r&   r'   r   )bZb2r   r   r   test_truncated_buffer,   s   


"r-   )ior   Zpathlibr   r%   Zmatplotlib.testing.decoratorsr   Z
matplotlibr   r   Zmatplotlib.cmr   r   r*   r-   r   r   r   r   <module>   s    
