'
test_expect_success 'color new trailing blank lines' '
- { echo a; echo b; echo; echo; } >x &&
+ test_write_lines a b "" "" >x &&
git add x &&
- { echo a; echo; echo; echo; echo c; echo; echo; echo; echo; } >x &&
+ test_write_lines a "" "" "" c "" "" "" "" >x &&
git diff --color x >output &&
cnt=$($grep_a "${blue_grep}" output | wc -l) &&
test $cnt = 2