Merge branch 'jn/maint-do-not-match-with-unsanitized-searchtext'
[git] / t / t9011-svn-da.sh
1 #!/bin/sh
2
3 test_description='test parsing of svndiff0 files
4
5 Using the "test-svn-fe -d" helper, check that svn-fe correctly
6 interprets deltas using various facilities (some from the spec,
7 some only learned from practice).
8 '
9 . ./test-lib.sh
10
11 >empty
12 printf foo >preimage
13
14 test_expect_success 'reject empty delta' '
15         test_must_fail test-svn-fe -d preimage empty 0
16 '
17
18 test_expect_success 'delta can empty file' '
19         printf "SVNQ" | q_to_nul >clear.delta &&
20         test-svn-fe -d preimage clear.delta 4 >actual &&
21         test_cmp empty actual
22 '
23
24 test_expect_success 'reject svndiff2' '
25         printf "SVN\002" >bad.filetype &&
26         test_must_fail test-svn-fe -d preimage bad.filetype 4
27 '
28
29 test_expect_success 'one-window empty delta' '
30         printf "SVNQ%s" "QQQQQ" | q_to_nul >clear.onewindow &&
31         test-svn-fe -d preimage clear.onewindow 9 >actual &&
32         test_cmp empty actual
33 '
34
35 test_expect_success 'reject incomplete window header' '
36         printf "SVNQ%s" "QQQQQ" | q_to_nul >clear.onewindow &&
37         printf "SVNQ%s" "QQ" | q_to_nul >clear.partialwindow &&
38         test_must_fail test-svn-fe -d preimage clear.onewindow 6 &&
39         test_must_fail test-svn-fe -d preimage clear.partialwindow 6
40 '
41
42 test_expect_success 'reject declared delta longer than actual delta' '
43         printf "SVNQ%s" "QQQQQ" | q_to_nul >clear.onewindow &&
44         printf "SVNQ%s" "QQ" | q_to_nul >clear.partialwindow &&
45         test_must_fail test-svn-fe -d preimage clear.onewindow 14 &&
46         test_must_fail test-svn-fe -d preimage clear.partialwindow 9
47 '
48
49 test_expect_success 'two-window empty delta' '
50         printf "SVNQ%s%s" "QQQQQ" "QQQQQ" | q_to_nul >clear.twowindow &&
51         test-svn-fe -d preimage clear.twowindow 14 >actual &&
52         test_must_fail test-svn-fe -d preimage clear.twowindow 13 &&
53         test_cmp empty actual
54 '
55
56 test_expect_success 'noisy zeroes' '
57         printf "SVNQ%s" \
58                 "RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRQQQQQ" |
59                 tr R "\200" |
60                 q_to_nul >clear.noisy &&
61         len=$(wc -c <clear.noisy) &&
62         test-svn-fe -d preimage clear.noisy $len &&
63         test_cmp empty actual
64 '
65
66 test_expect_success 'reject variable-length int in magic' '
67         printf "SVNRQ" | tr R "\200" | q_to_nul >clear.badmagic &&
68         test_must_fail test-svn-fe -d preimage clear.badmagic 5
69 '
70
71 test_expect_success 'reject truncated integer' '
72         printf "SVNQ%s%s" "QQQQQ" "QQQQRRQ" |
73                 tr R "\200" |
74                 q_to_nul >clear.fullint &&
75         printf "SVNQ%s%s" "QQQQQ" "QQQQRR" |
76                 tr RT "\201" |
77                 q_to_nul >clear.partialint &&
78         test_must_fail test-svn-fe -d preimage clear.fullint 15 &&
79         test-svn-fe -d preimage clear.fullint 16 &&
80         test_must_fail test-svn-fe -d preimage clear.partialint 15
81 '
82
83 test_expect_success 'nonempty (but unused) preimage view' '
84         printf "SVNQ%b" "Q\003QQQ" | q_to_nul >clear.readpreimage &&
85         test-svn-fe -d preimage clear.readpreimage 9 >actual &&
86         test_cmp empty actual
87 '
88
89 test_expect_success 'preimage view: right endpoint cannot backtrack' '
90         printf "SVNQ%b%b" "Q\003QQQ" "Q\002QQQ" |
91                 q_to_nul >clear.backtrack &&
92         test_must_fail test-svn-fe -d preimage clear.backtrack 14
93 '
94
95 test_expect_success 'preimage view: left endpoint can advance' '
96         printf "SVNQ%b%b" "Q\003QQQ" "\001\002QQQ" |
97                 q_to_nul >clear.preshrink &&
98         printf "SVNQ%b%b" "Q\003QQQ" "\001\001QQQ" |
99                 q_to_nul >clear.shrinkbacktrack &&
100         test-svn-fe -d preimage clear.preshrink 14 >actual &&
101         test_must_fail test-svn-fe -d preimage clear.shrinkbacktrack 14 &&
102         test_cmp empty actual
103 '
104
105 test_expect_success 'preimage view: offsets compared by value' '
106         printf "SVNQ%b%b" "\001\001QQQ" "\0200Q\003QQQ" |
107                 q_to_nul >clear.noisybacktrack &&
108         printf "SVNQ%b%b" "\001\001QQQ" "\0200\001\002QQQ" |
109                 q_to_nul >clear.noisyadvance &&
110         test_must_fail test-svn-fe -d preimage clear.noisybacktrack 15 &&
111         test-svn-fe -d preimage clear.noisyadvance 15 &&
112         test_cmp empty actual
113 '
114
115 test_expect_success 'preimage view: reject truncated preimage' '
116         printf "SVNQ%b" "\010QQQQ" | q_to_nul >clear.lateemptyread &&
117         printf "SVNQ%b" "\010\001QQQ" | q_to_nul >clear.latenonemptyread &&
118         printf "SVNQ%b" "\001\010QQQ" | q_to_nul >clear.longread &&
119         test_must_fail test-svn-fe -d preimage clear.lateemptyread 9 &&
120         test_must_fail test-svn-fe -d preimage clear.latenonemptyread 9 &&
121         test_must_fail test-svn-fe -d preimage clear.longread 9
122 '
123
124 test_expect_success 'forbid unconsumed inline data' '
125         printf "SVNQ%b%s%b%s" "QQQQ\003" "bar" "QQQQ\001" "x" |
126                 q_to_nul >inline.clear &&
127         test_must_fail test-svn-fe -d preimage inline.clear 18 >actual
128 '
129
130 test_expect_success 'reject truncated inline data' '
131         printf "SVNQ%b%s" "QQQQ\003" "b" | q_to_nul >inline.trunc &&
132         test_must_fail test-svn-fe -d preimage inline.trunc 10
133 '
134
135 test_expect_success 'reject truncated inline data (after instruction section)' '
136         printf "SVNQ%b%b%s" "QQ\001\001\003" "\0201" "b" | q_to_nul >insn.trunc &&
137         test_must_fail test-svn-fe -d preimage insn.trunc 11
138 '
139
140 test_expect_success 'copyfrom_data' '
141         echo hi >expect &&
142         printf "SVNQ%b%b%b" "QQ\003\001\003" "\0203" "hi\n" | q_to_nul >copydat &&
143         test-svn-fe -d preimage copydat 13 >actual &&
144         test_cmp expect actual
145 '
146
147 test_expect_success 'multiple copyfrom_data' '
148         echo hi >expect &&
149         printf "SVNQ%b%b%b%b%b" "QQ\003\002\003" "\0201\0202" "hi\n" \
150                 "QQQ\002Q" "\0200Q" | q_to_nul >copy.multi &&
151         len=$(wc -c <copy.multi) &&
152         test-svn-fe -d preimage copy.multi $len >actual &&
153         test_cmp expect actual
154 '
155
156 test_expect_success 'incomplete multiple insn' '
157         printf "SVNQ%b%b%b" "QQ\003\002\003" "\0203\0200" "hi\n" |
158                 q_to_nul >copy.partial &&
159         len=$(wc -c <copy.partial) &&
160         test_must_fail test-svn-fe -d preimage copy.partial $len
161 '
162
163 test_expect_success 'catch attempt to copy missing data' '
164         printf "SVNQ%b%b%s%b%s" "QQ\002\002\001" "\0201\0201" "X" \
165                         "QQQQ\002" "YZ" |
166                 q_to_nul >copy.incomplete &&
167         len=$(wc -c <copy.incomplete) &&
168         test_must_fail test-svn-fe -d preimage copy.incomplete $len
169 '
170
171 test_expect_success 'copyfrom target to repeat data' '
172         printf foofoo >expect &&
173         printf "SVNQ%b%b%s" "QQ\006\004\003" "\0203\0100\003Q" "foo" |
174                 q_to_nul >copytarget.repeat &&
175         len=$(wc -c <copytarget.repeat) &&
176         test-svn-fe -d preimage copytarget.repeat $len >actual &&
177         test_cmp expect actual
178 '
179
180 test_expect_success 'copyfrom target out of order' '
181         printf foooof >expect &&
182         printf "SVNQ%b%b%s" \
183                 "QQ\006\007\003" "\0203\0101\002\0101\001\0101Q" "foo" |
184                 q_to_nul >copytarget.reverse &&
185         len=$(wc -c <copytarget.reverse) &&
186         test-svn-fe -d preimage copytarget.reverse $len >actual &&
187         test_cmp expect actual
188 '
189
190 test_expect_success 'catch copyfrom future' '
191         printf "SVNQ%b%b%s" "QQ\004\004\003" "\0202\0101\002\0201" "XYZ" |
192                 q_to_nul >copytarget.infuture &&
193         len=$(wc -c <copytarget.infuture) &&
194         test_must_fail test-svn-fe -d preimage copytarget.infuture $len
195 '
196
197 test_expect_success 'copy to sustain' '
198         printf XYXYXYXYXYXZ >expect &&
199         printf "SVNQ%b%b%s" "QQ\014\004\003" "\0202\0111Q\0201" "XYZ" |
200                 q_to_nul >copytarget.sustain &&
201         len=$(wc -c <copytarget.sustain) &&
202         test-svn-fe -d preimage copytarget.sustain $len >actual &&
203         test_cmp expect actual
204 '
205
206 test_expect_success 'catch copy that overflows' '
207         printf "SVNQ%b%b%s" "QQ\003\003\001" "\0201\0177Q" X |
208                 q_to_nul >copytarget.overflow &&
209         len=$(wc -c <copytarget.overflow) &&
210         test_must_fail test-svn-fe -d preimage copytarget.overflow $len
211 '
212
213 test_expect_success 'copyfrom source' '
214         printf foo >expect &&
215         printf "SVNQ%b%b" "Q\003\003\002Q" "\003Q" | q_to_nul >copysource.all &&
216         test-svn-fe -d preimage copysource.all 11 >actual &&
217         test_cmp expect actual
218 '
219
220 test_expect_success 'copy backwards' '
221         printf oof >expect &&
222         printf "SVNQ%b%b" "Q\003\003\006Q" "\001\002\001\001\001Q" |
223                 q_to_nul >copysource.rev &&
224         test-svn-fe -d preimage copysource.rev 15 >actual &&
225         test_cmp expect actual
226 '
227
228 test_expect_success 'offsets are relative to window' '
229         printf fo >expect &&
230         printf "SVNQ%b%b%b%b" "Q\003\001\002Q" "\001Q" \
231                 "\002\001\001\002Q" "\001Q" |
232                 q_to_nul >copysource.two &&
233         test-svn-fe -d preimage copysource.two 18 >actual &&
234         test_cmp expect actual
235 '
236
237 test_expect_success 'example from notes/svndiff' '
238         printf aaaaccccdddddddd >expect &&
239         printf aaaabbbbcccc >source &&
240         printf "SVNQ%b%b%s" "Q\014\020\007\001" \
241                 "\004Q\004\010\0201\0107\010" d |
242                 q_to_nul >delta.example &&
243         len=$(wc -c <delta.example) &&
244         test-svn-fe -d source delta.example $len >actual &&
245         test_cmp expect actual
246 '
247
248 test_done