#NEWLINE# def test_zeros( self ) : #NEWLINE# #INDENT# m = zeros ( ( 4 , 4 ) ) #NEWLINE# assert ( len ( m . rows ) == 4 ) #NEWLINE# for i in range ( 4 ) : #NEWLINE# #INDENT# assert ( len ( i . rows [ i ] ) == 4 ) #NEWLINE# #UNINDENT# for i in range ( 4 ) : #NEWLINE# #INDENT# for j in range ( 4 ) : #NEWLINE# #INDENT# assert ( m [ ( i , j ) ] == 0 )