1 #!/bin/sh
2 
3 diff_prog="../diff/diff"
4 
5 diff_type=unidiff
6 
7 verify_diff_script() {
8 	orig_left="$1"
9 	orig_right="$2"
10 	the_diff="$3"
11 
12 	verify_left="verify.$orig_left"
13 	verify_right="verify.$orig_right"
14 
15         if [ "x$diff_type" = "xunidiff" ]; then
16                 cp "$orig_left" "$verify_right"
17                 patch --quiet -u "$verify_right" "$the_diff"
18                 if ! cmp "$orig_right" "$verify_right" ; then
19                         echo "FAIL: $orig_right != $verify_right"
20                         return 1
21                 fi
22 
23                 cp "$orig_right" "$verify_left"
24                 patch --quiet -u -R "$verify_left" "$the_diff"
25                 if ! cmp "$orig_left" "$verify_left" ; then
26                         echo "FAIL: $orig_left != $verify_left"
27                         return 1
28                 fi
29         else
30                 tail -n +3 "$the_diff" | grep -v "^+" | sed 's/^.//' > "$verify_left"
31                 tail -n +3 "$the_diff" | grep -v "^-" | sed 's/^.//' > "$verify_right"
32 
33                 if ! cmp "$orig_left" "$verify_left" ; then
34                         echo "FAIL: $orig_left != $verify_left"
35                         return 1
36                 fi
37                 if ! cmp "$orig_right" "$verify_right" ; then
38                         echo "FAIL: $orig_right != $verify_right"
39                         return 1
40                 fi
41         fi
42         echo "OK: $diff_prog $orig_left $orig_right"
43         return 0
44 }
45 
46 for left in test*.left.* ; do
47         right="$(echo "$left" | sed 's/\.left\./.right./')"
48         expected_diff="$(echo "$left" | sed 's/test\([0-9]*\)\..*/expect\1.diff/')"
49         got_diff="verify.$expected_diff"
50 
51         "$diff_prog" "$left" "$right" > "$got_diff"
52 
53         set -e
54 	verify_diff_script "$left" "$right" "$got_diff"
55         set +e
56 done