a
    =b                     @   s   d Z ddlZddlZddlmZ ddlmZ ej	dg dej	ddd	gd
d Z
ej	dg dej	ddd	gdd Zdd Zdd ZdS )zTests for `_util`.    N)assert_array_equal)_utilimage_shape))o   )!   ,   )   7      )            orderCFc                    sN  t jdt|  td}dt|  }t| ||| t | d ksJJ d vsVJ tt  jkslJ t	 fdd D sJ t
dd | D }d	d
 t| |D }t j|ddi}t j|dd}||}t j|| |d}	g }
 D ]}|	| }|
||  qt |
dksJ t |
t| ks4J tt|
|
ksJJ dS )zo
    Check scenarios where footprint is always of the highest connectivity
    and all dimensions are > 2.
    r   Zdtype   r   r   c                 3   s   | ]}|  v V  qd S N .0xoffsetsr   Alib/python3.9/site-packages/skimage/morphology/tests/test_util.py	<genexpr>!       zItest_offsets_to_raveled_neighbors_highest_connectivity.<locals>.<genexpr>c                 s   s   | ]}|d  V  qdS )   Nr   )r   sr   r   r   r   $   r   c                 S   s*   g | ]"\}}t t j|t jd | qS )r   )npabsZarangeZintp)r   r!   cr   r   r   
<listcomp>%   s   zJtest_offsets_to_raveled_neighbors_highest_connectivity.<locals>.<listcomp>ZindexingZij)Zaxis)r   N)r"   oneslenboolr   _offsets_to_raveled_neighborssumsetsizealltuplezipZmeshgridZravelZravel_multi_indexappendminmaxlistsorted)r   r   	footprintcenterZimage_centerZcoordsZgridZimageZimage_raveledZimage_center_raveledZsamplesoffsetindexr   r   r   6test_offsets_to_raveled_neighbors_highest_connectivity   s4    	
r9   ))r    )r    r    )r    r   r    )r    r    r   r    )r   r    r   r    c                    s   t jdt|  td}dt|  }t| ||| t | d ksJJ d vsVJ tt  jkslJ t	 fdd D sJ dS )	z\
    Test if a dimension indicated by `image_shape` is smaller than in
    `footprint`.
    r   r   r   r   r   c                 3   s   | ]}|  v V  qd S r   r   r   r   r   r   r   X   r   zLtest_offsets_to_raveled_neighbors_footprint_smaller_image.<locals>.<genexpr>N)
r"   r&   r'   r(   r   r)   r*   r+   r,   r-   )r   r   r5   r6   r   r   r   9test_offsets_to_raveled_neighbors_footprint_smaller_image@   s    
r:   c                  C   s@   d} t jdtd}d}t| ||}t g d}t|| dS )zCheck reviewed example.)d      r   )r   r   r   r   )r   r   r   )r   ir   iX  r   r    i[  iiY  iiiiW  iU  iZ  iiT  iiiiV  i\  Nr"   r&   r(   r   r)   Zarrayr   r   r5   r6   r   Zdesiredr   r   r   ,test_offsets_to_raveled_neighbors_explicit_0[   s    rC   c                  C   s@   d} t jdtd}d}t| ||}t g d}t|| dS )zCCheck reviewed example where footprint is larger in last dimension.)
   	      r   )r   r   r   r   r   )r   r   r   r   )Y      ir   i(r   r=   r>      iiiir?   i@   r    r               r@         i%   i'i+i)   i      i   i   i$r   i         i      i&   i?   iAi,iC      i=i*i   i   ii                     iiDi<i>iBii   ir      i-i   iiE      NrA   rB   r   r   r   ,test_offsets_to_raveled_neighbors_explicit_1l   s    	rn   )__doc__Znumpyr"   ZpytestZnumpy.testingr   Zskimage.morphologyr   ZmarkZparametrizer9   r:   rC   rn   r   r   r   r   <module>   s   1