Test 1:PPM-rose  Should print 1926073387 101484 five times
1926073387 101484
1926073387 101484
1926073387 101484
1926073387 101484
1926073387 101484
Test 2:PPM-6  Should print 1646869394 29498 four times
1646869394 29498
1646869394 29498
1646869394 29498
1646869394 29498
Test 3:PPM-2  Should print 3743909631 14836 four times
3743909631 14836
3743909631 14836
3743909631 14836
3743909631 14836
Test 4:PPM-gray  Should print 603974118 4954 six times
603974118 4954
603974118 4954
603974118 4954
603974118 4954
603974118 4954
603974118 4954
Test 5:PPM-bilevel-black-white  Should print 1001018459 4954 four times
1001018459 4954
1001018459 4954
1001018459 4954
1001018459 4954
Test 6:PBM  Should print 281226646 481 three times
281226646 481
281226646 481
281226646 481
Test 7:Extract from multi-image TIFF
1926073387 101484
1646869394 29498
3743909631 14836
603974118 4954
1001018459 4954