1 3b0f3d61 2020-01-22 neels #!/bin/sh
 2 3b0f3d61 2020-01-22 neels 
 3 3b0f3d61 2020-01-22 neels diff_prog="../diff/diff"
 4 3b0f3d61 2020-01-22 neels 
 5 11d9f2f7 2020-10-07 stsp # At present, test015 only passes with GNU patch.
 6 11d9f2f7 2020-10-07 stsp # Larry's patch has a bug with empty files in combination with -R...
 7 11d9f2f7 2020-10-07 stsp if which gpatch > /dev/null; then
 8 11d9f2f7 2020-10-07 stsp 	patch_prog="gpatch"
 9 11d9f2f7 2020-10-07 stsp else
10 11d9f2f7 2020-10-07 stsp 	patch_prog="patch"
11 11d9f2f7 2020-10-07 stsp fi
12 11d9f2f7 2020-10-07 stsp 
13 81b40973 2020-01-22 neels diff_type=unidiff
14 3b0f3d61 2020-01-22 neels 
15 3b0f3d61 2020-01-22 neels verify_diff_script() {
16 3b0f3d61 2020-01-22 neels 	orig_left="$1"
17 3b0f3d61 2020-01-22 neels 	orig_right="$2"
18 3b0f3d61 2020-01-22 neels 	the_diff="$3"
19 417a6e49 2020-09-26 stsp 	expected_diff="$4"
20 417a6e49 2020-09-26 stsp 	diff_opts="$5"
21 3b0f3d61 2020-01-22 neels 
22 0c9a7e9d 2020-10-07 stsp 	if echo -- $diff_opts | grep -q -- '-w'; then
23 0c9a7e9d 2020-10-07 stsp 		ignore_whitespace="true"
24 0c9a7e9d 2020-10-07 stsp 	else
25 0c9a7e9d 2020-10-07 stsp 		ignore_whitespace=""
26 0c9a7e9d 2020-10-07 stsp 	fi
27 3b0f3d61 2020-01-22 neels 	verify_left="verify.$orig_left"
28 3b0f3d61 2020-01-22 neels 	verify_right="verify.$orig_right"
29 3b0f3d61 2020-01-22 neels 
30 417a6e49 2020-09-26 stsp         if [ -e "$expected_diff" ]; then
31 417a6e49 2020-09-26 stsp 		echo cmp "$got_diff" "$expected_diff"
32 732e8ee0 2020-09-20 stsp                 if ! cmp "$got_diff" "$expected_diff" ; then
33 732e8ee0 2020-09-20 stsp                         echo "FAIL: $got_diff != $expected_diff"
34 732e8ee0 2020-09-20 stsp                         return 1
35 732e8ee0 2020-09-20 stsp                 fi
36 417a6e49 2020-09-26 stsp 	fi
37 0c9a7e9d 2020-10-07 stsp         if [ -z "$ignore_whitespace" -a "x$diff_type" = "xunidiff" ]; then
38 3b0f3d61 2020-01-22 neels                 cp "$orig_left" "$verify_right"
39 11d9f2f7 2020-10-07 stsp                 $patch_prog --quiet -u "$verify_right" "$the_diff"
40 3b0f3d61 2020-01-22 neels                 if ! cmp "$orig_right" "$verify_right" ; then
41 3b0f3d61 2020-01-22 neels                         echo "FAIL: $orig_right != $verify_right"
42 3b0f3d61 2020-01-22 neels                         return 1
43 3b0f3d61 2020-01-22 neels                 fi
44 3b0f3d61 2020-01-22 neels 
45 3b0f3d61 2020-01-22 neels                 cp "$orig_right" "$verify_left"
46 11d9f2f7 2020-10-07 stsp                 $patch_prog --quiet -u -R "$verify_left" "$the_diff"
47 3b0f3d61 2020-01-22 neels                 if ! cmp "$orig_left" "$verify_left" ; then
48 3b0f3d61 2020-01-22 neels                         echo "FAIL: $orig_left != $verify_left"
49 3b0f3d61 2020-01-22 neels                         return 1
50 3b0f3d61 2020-01-22 neels                 fi
51 0c9a7e9d 2020-10-07 stsp         elif [ -z "$ignore_whitespace" ]; then
52 3b0f3d61 2020-01-22 neels                 tail -n +3 "$the_diff" | grep -v "^+" | sed 's/^.//' > "$verify_left"
53 3b0f3d61 2020-01-22 neels                 tail -n +3 "$the_diff" | grep -v "^-" | sed 's/^.//' > "$verify_right"
54 3b0f3d61 2020-01-22 neels 
55 3b0f3d61 2020-01-22 neels                 if ! cmp "$orig_left" "$verify_left" ; then
56 3b0f3d61 2020-01-22 neels                         echo "FAIL: $orig_left != $verify_left"
57 3b0f3d61 2020-01-22 neels                         return 1
58 3b0f3d61 2020-01-22 neels                 fi
59 3b0f3d61 2020-01-22 neels                 if ! cmp "$orig_right" "$verify_right" ; then
60 3b0f3d61 2020-01-22 neels                         echo "FAIL: $orig_right != $verify_right"
61 3b0f3d61 2020-01-22 neels                         return 1
62 3b0f3d61 2020-01-22 neels                 fi
63 3b0f3d61 2020-01-22 neels         fi
64 3b0f3d61 2020-01-22 neels         echo "OK: $diff_prog $orig_left $orig_right"
65 3b0f3d61 2020-01-22 neels         return 0
66 3b0f3d61 2020-01-22 neels }
67 3b0f3d61 2020-01-22 neels 
68 732e8ee0 2020-09-20 stsp for left in test*.left* ; do
69 732e8ee0 2020-09-20 stsp         right="$(echo "$left" | sed 's/\.left/\.right/')"
70 0c9a7e9d 2020-10-07 stsp         diff_opts="$(echo "$left" | sed 's/test[0-9]*\.left\([-a-zA-Z0-9]*\).txt/\1/')"
71 732e8ee0 2020-09-20 stsp         expected_diff="$(echo "$left" | sed 's/test\([-0-9a-zA-Z]*\)\..*/expect\1.diff/')"
72 3b0f3d61 2020-01-22 neels         got_diff="verify.$expected_diff"
73 3b0f3d61 2020-01-22 neels 
74 732e8ee0 2020-09-20 stsp         "$diff_prog" $diff_opts "$left" "$right" > "$got_diff"
75 3b0f3d61 2020-01-22 neels 
76 3b0f3d61 2020-01-22 neels         set -e
77 417a6e49 2020-09-26 stsp 	verify_diff_script "$left" "$right" "$got_diff" "$expected_diff" "$diff_opts"
78 3b0f3d61 2020-01-22 neels         set +e
79 3b0f3d61 2020-01-22 neels done