tests: make test-bdiff.py easier to maintain
Add more stdout logging to help navigate the .out file.
test 'a\nc\n\n\n\n' 'a\nb\n\n\n'
test 'a\nb\nc\n' 'a\nc\n'
test '' ''
test 'a\nb\nc' 'a\nb\nc'
test 'a\nb\nc\nd\n' 'a\nd\n'
test 'a\nb\nc\nd\n' 'a\nc\ne\n'
test 'a\nb\nc\n' 'a\nc\n'
test 'a\n' 'c\na\nb\n'
test 'a\n' ''
test 'a\n' 'b\nc\n'
test 'a\n' 'c\na\n'
test '' 'adjfkjdjksdhfksj'
test '' 'ab'
test '' 'abc'
test 'a' 'a'
test 'ab' 'ab'
test 'abc' 'abc'
test 'a\n' 'a\n'
test 'a\nb' 'a\nb'
showdiff(
'x\n\nx\n\nx\n\nx\n\nz\n',
'x\n\nx\n\ny\n\nx\n\nx\n\nz\n'):
'x\n\nx\n\n'
6 6 '' -> 'y\n\n'
'x\n\nx\n\nz\n'
showdiff(
'x\n\nx\n\nx\n\nx\n\nz\n',
'x\n\nx\n\ny\n\nx\n\ny\n\nx\n\nz\n'):
'x\n\nx\n\n'
6 6 '' -> 'y\n\n'
'x\n\n'
9 9 '' -> 'y\n\n'
'x\n\nz\n'
showdiff(
'a\nb\nb\nb\nc\n.\nd\ne\n.\nf\n',
'a\nb\nb\na\nb\nb\nb\nc\n.\nb\nc\n.\nd\ne\nf\n'):
0 0 '' -> 'a\nb\nb\n'
'a\nb\nb\nb\nc\n.\n'
12 12 '' -> 'b\nc\n.\n'
'd\ne\n'
16 18 '.\n' -> ''
'f\n'
done
done