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function spok_test
%SPOK_TEST installs and tests SPOK
%
% Example:
% spok_install
%
% See also sparse, spok, spok_install
% Copyright 2008-2011, Timothy A. Davis, http://suitesparse.com
% SPDX-License-Identifier: Apache-2.0
% compile and install spok
help spok ;
spok_install ;
c = pwd ;
cd private ;
% mex spok_invalid.c ;
is64 = ~isempty (strfind (computer, '64')) ;
if (is64)
mex -largeArrayDims spok_invalid.c
else
mex spok.c spok_invalid.c
end
cd (c) ;
% test with valid matrices
fprintf ('\nTesting spok, please wait ...\n') ;
lastwarn ('') ;
test_spok (sparse ([ ]), 1, '') ;
test_spok (sparse (logical ([ ])), 1, '') ;
test_spok (sparse (0,4), 1, '') ;
test_spok (sparse (4,4), 1, '') ;
for trials = 1:2
for m = 0:10
for n = 0:10
for d = 0:.1:1
A = sprand (m,n,d) ;
B = sprand (m,n,d) ;
test_spok (A, 1, '') ;
test_spok (A + 1i*B, 1, '') ;
test_spok (A > 0, 1, '') ;
end
end
end
end
% test with non-sparse matrices
fprintf ('\nTesting on non-sparse matrices; 7 warnings should appear:\n') ;
test_spok ('hi', 1, 'SPOK:NotSparse') ;
test_spok (cell (42), 1, 'SPOK:NotSparse') ;
test_spok ([ ], 1, 'SPOK:NotSparse') ;
test_spok (ones (10), 1, 'SPOK:NotSparse') ;
test_spok (ones (10) > 0, 1, 'SPOK:NotSparse') ;
test_spok (ones (0,10), 1, 'SPOK:NotSparse') ;
test_spok (ones (10,0), 1, 'SPOK:NotSparse') ;
% test with an invalid matrix
fprintf ('\nTesting on invalid sparse matrices; 2 warnings should appear:\n') ;
test_spok (spok_invalid (0), 0, 'SPOK:QuestionableMatrix') ;
test_spok (spok_invalid (1), 0, 'SPOK:QuestionableMatrix') ;
fprintf ('\nAll tests passed.\n') ;
%-------------------------------------------------------------------------------
function test_spok (A, ok_expected, id_expected)
%TEST_SPOK tests spok and checks its result
lastwarn ('') ;
ok = spok (A) ;
[msg id] = lastwarn ;
if (ok ~= ok_expected || ~strcmp (id, id_expected))
lastwarn
error ('test failure') ;
end
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