xref: /freebsd/contrib/libdiff/test/verify_all.sh (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1#!/bin/sh
2
3diff_prog="../diff/obj/diff"
4if [ ! -x $diff_prog ]; then
5	diff_prog="../diff/diff"
6fi
7
8# At present, test015 only passes with GNU patch.
9# Larry's patch has a bug with empty files in combination with -R...
10if command -v gpatch >/dev/null 2>&1; then
11	patch_prog="gpatch"
12else
13	patch_prog="patch"
14fi
15
16diff_type=unidiff
17
18rm -f errors
19
20verify_diff_script() {
21	orig_left="$1"
22	orig_right="$2"
23	the_diff="$3"
24	expected_diff="$4"
25	diff_opts="$5"
26
27	if echo -- $diff_opts | grep -q -- 'w'; then
28		ignore_whitespace="true"
29	else
30		ignore_whitespace=""
31	fi
32
33	if echo -- $diff_opts | grep -q -- 'e'; then
34		is_edscript="true"
35	else
36		is_edscript=""
37	fi
38
39	verify_left="verify.$orig_left"
40	verify_right="verify.$orig_right"
41
42        if [ -e "$expected_diff" ]; then
43		echo cmp "$got_diff" "$expected_diff"
44                if ! cmp "$got_diff" "$expected_diff" ; then
45                        echo "FAIL: $got_diff != $expected_diff" | tee -a errors
46                        return 1
47                fi
48	fi
49        if [ -z "$ignore_whitespace" -a -z "$is_edscript" -a "x$diff_type" = "xunidiff" ]; then
50                cp "$orig_left" "$verify_right"
51                $patch_prog --quiet -u "$verify_right" "$the_diff"
52                if ! cmp "$orig_right" "$verify_right" ; then
53                        echo "FAIL: $orig_right != $verify_right" | tee -a errors
54                        return 1
55                fi
56
57                cp "$orig_right" "$verify_left"
58                $patch_prog --quiet -u -R "$verify_left" "$the_diff"
59                if ! cmp "$orig_left" "$verify_left" ; then
60                        echo "FAIL: $orig_left != $verify_left" | tee -a errors
61                        return 1
62                fi
63        elif [ -z "$ignore_whitespace" -a -z "$is_edscript" ]; then
64                tail -n +3 "$the_diff" | grep -v "^+" | sed 's/^.//' > "$verify_left"
65                tail -n +3 "$the_diff" | grep -v "^-" | sed 's/^.//' > "$verify_right"
66
67                if ! cmp "$orig_left" "$verify_left" ; then
68                        echo "FAIL: $orig_left != $verify_left" | tee -a errors
69                        return 1
70                fi
71                if ! cmp "$orig_right" "$verify_right" ; then
72                        echo "FAIL: $orig_right != $verify_right" | tee -a errors
73                        return 1
74                fi
75        fi
76        echo "OK: $diff_prog $orig_left $orig_right"
77        return 0
78}
79
80for left in test*.left* ; do
81        right="$(echo "$left" | sed 's/\.left/\.right/')"
82        diff_opts="$(echo "$left" | sed 's/test[0-9]*\.left\([-a-zA-Z0-9]*\).txt/\1/')"
83        expected_diff="$(echo "$left" | sed 's/test\([-0-9a-zA-Z]*\)\..*/expect\1.diff/')"
84        got_diff="verify.$expected_diff"
85
86        "$diff_prog" $diff_opts "$left" "$right" > "$got_diff"
87
88	verify_diff_script "$left" "$right" "$got_diff" "$expected_diff" "$diff_opts"
89done
90
91# XXX required to keep GNU make completely silent during 'make regress'
92if make -h 2>/dev/null |  grep -q no-print-directory; then
93	make_opts="--no-print-directory"
94fi
95for ctest in *_test.c ; do
96	prog="$(echo "$ctest" | sed 's/.c//')"
97	expect_output="expect.${prog}"
98	prog_output="verify.$expect_output"
99	make $make_opts -s -C "$prog" regress > "$prog_output"
100	if ! cmp "$prog_output" "$expect_output" ; then
101		echo "FAIL: $prog_output != $expect_output" | tee -a errors
102	else
103		echo "OK: $prog"
104	fi
105done
106
107echo
108if [ -f errors ]; then
109	echo "Tests failed:"
110	cat errors
111	exit 1
112else
113	echo "All tests OK"
114	echo
115fi
116