1#!/bin/sh
2
3test_description='git grep with a binary pattern files'
4
5TEST_PASSES_SANITIZE_LEAK=true
6. ./lib-gettext.sh
7
8nul_match_internal () {
9	matches=$1
10	prereqs=$2
11	lc_all=$3
12	extra_flags=$4
13	flags=$5
14	pattern=$6
15	pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
16
17	if test "$matches" = 1
18	then
19		test_expect_success $prereqs "LC_ALL='$lc_all' git grep $extra_flags -f f $flags '$pattern_human' a" "
20			printf '$pattern' | q_to_nul >f &&
21			LC_ALL='$lc_all' git grep $extra_flags -f f $flags a
22		"
23	elif test "$matches" = 0
24	then
25		test_expect_success $prereqs "LC_ALL='$lc_all' git grep $extra_flags -f f $flags '$pattern_human' a" "
26			>stderr &&
27			printf '$pattern' | q_to_nul >f &&
28			test_must_fail env LC_ALL=\"$lc_all\" git grep $extra_flags -f f $flags a 2>stderr &&
29			test_i18ngrep ! 'This is only supported with -P under PCRE v2' stderr
30		"
31	elif test "$matches" = P
32	then
33		test_expect_success $prereqs "error, PCRE v2 only: LC_ALL='$lc_all' git grep -f f $flags '$pattern_human' a" "
34			>stderr &&
35			printf '$pattern' | q_to_nul >f &&
36			test_must_fail env LC_ALL=\"$lc_all\" git grep -f f $flags a 2>stderr &&
37			test_i18ngrep 'This is only supported with -P under PCRE v2' stderr
38		"
39	else
40		test_expect_success "PANIC: Test framework error. Unknown matches value $matches" 'false'
41	fi
42}
43
44nul_match () {
45	matches=$1
46	matches_pcre2=$2
47	matches_pcre2_locale=$3
48	flags=$4
49	pattern=$5
50	pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
51
52	nul_match_internal "$matches" "" "C" "" "$flags" "$pattern"
53	nul_match_internal "$matches_pcre2" "LIBPCRE2" "C" "-P" "$flags" "$pattern"
54	nul_match_internal "$matches_pcre2_locale" "LIBPCRE2,GETTEXT_LOCALE" "$is_IS_locale" "-P" "$flags" "$pattern"
55}
56
57test_expect_success 'setup' "
58	echo 'binaryQfileQm[*]cQ*æQð' | q_to_nul >a &&
59	git add a &&
60	git commit -m.
61"
62
63# Simple fixed-string matching
64nul_match P P P '-F' 'yQf'
65nul_match P P P '-F' 'yQx'
66nul_match P P P '-Fi' 'YQf'
67nul_match P P P '-Fi' 'YQx'
68nul_match P P 1 '' 'yQf'
69nul_match P P 0 '' 'yQx'
70nul_match P P 1 '' 'æQð'
71nul_match P P P '-F' 'eQm[*]c'
72nul_match P P P '-Fi' 'EQM[*]C'
73
74# Regex patterns that would match but shouldn't with -F
75nul_match P P P '-F' 'yQ[f]'
76nul_match P P P '-F' '[y]Qf'
77nul_match P P P '-Fi' 'YQ[F]'
78nul_match P P P '-Fi' '[Y]QF'
79nul_match P P P '-F' 'æQ[ð]'
80nul_match P P P '-F' '[æ]Qð'
81
82# Matching pattern and subject case with -i
83nul_match P 1 1 '-i' '[æ]Qð'
84
85# ...PCRE v2 only matches non-ASCII with -i casefolding under UTF-8
86# semantics
87nul_match P P P '-Fi' 'ÆQ[Ð]'
88nul_match P 0 1 '-i'  'ÆQ[Ð]'
89nul_match P 0 1 '-i'  '[Æ]QÐ'
90nul_match P 0 1 '-i' '[Æ]Qð'
91nul_match P 0 1 '-i' 'ÆQÐ'
92
93# \0 in regexes can only work with -P & PCRE v2
94nul_match P P 1 '' 'yQ[f]'
95nul_match P P 1 '' '[y]Qf'
96nul_match P P 1 '-i' 'YQ[F]'
97nul_match P P 1 '-i' '[Y]Qf'
98nul_match P P 1 '' 'æQ[ð]'
99nul_match P P 1 '' '[æ]Qð'
100nul_match P P 1 '-i' 'ÆQ[Ð]'
101nul_match P P 1 '' 'eQm.*cQ'
102nul_match P P 1 '-i' 'EQM.*cQ'
103nul_match P P 0 '' 'eQm[*]c'
104nul_match P P 0 '-i' 'EQM[*]C'
105
106# Assert that we're using REG_STARTEND and the pattern doesn't match
107# just because it's cut off at the first \0.
108nul_match P P 0 '-i' 'NOMATCHQð'
109nul_match P P 0 '-i' '[Æ]QNOMATCH'
110nul_match P P 0 '-i' '[æ]QNOMATCH'
111
112# Ensure that the matcher doesn't regress to something that stops at
113# \0
114nul_match P P P '-F' 'yQ[f]'
115nul_match P P P '-Fi' 'YQ[F]'
116nul_match P P 0 '' 'yQNOMATCH'
117nul_match P P 0 '' 'QNOMATCH'
118nul_match P P 0 '-i' 'YQNOMATCH'
119nul_match P P 0 '-i' 'QNOMATCH'
120nul_match P P P '-F' 'æQ[ð]'
121nul_match P P P '-Fi' 'ÆQ[Ð]'
122nul_match P P 1 '-i' 'ÆQ[Ð]'
123nul_match P P 0 '' 'yQNÓMATCH'
124nul_match P P 0 '' 'QNÓMATCH'
125nul_match P P 0 '-i' 'YQNÓMATCH'
126nul_match P P 0 '-i' 'QNÓMATCH'
127
128test_done
129