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[git/mingw/4msysgit.git] / t / t9011-svn-da.sh
blobb38d16f9dbd6e6f575e12f81e7d6546f07e53f1f
1 #!/bin/sh
3 test_description='test parsing of svndiff0 files
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).
9 . ./test-lib.sh
11 >empty
12 printf foo >preimage
14 test_expect_success 'reject empty delta' '
15 test_must_fail test-svn-fe -d preimage empty 0
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
24 test_expect_success 'reject svndiff2' '
25 printf "SVN\002" >bad.filetype &&
26 test_must_fail test-svn-fe -d preimage bad.filetype 4
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 $len >actual &&
153 test_cmp expect actual
156 test_expect_success 'incomplete multiple insn' '
157 printf "SVNQ%b%b%b" "QQ\003\002\003" "\0203\0200" "hi\n" |
158 q_to_nul >copy.partial &&
159 len=$(wc -c <copy.partial) &&
160 test_must_fail test-svn-fe -d preimage copy.partial $len
163 test_expect_success 'catch attempt to copy missing data' '
164 printf "SVNQ%b%b%s%b%s" "QQ\002\002\001" "\0201\0201" "X" \
165 "QQQQ\002" "YZ" |
166 q_to_nul >copy.incomplete &&
167 len=$(wc -c <copy.incomplete) &&
168 test_must_fail test-svn-fe -d preimage copy.incomplete $len
171 test_expect_success 'copyfrom target to repeat data' '
172 printf foofoo >expect &&
173 printf "SVNQ%b%b%s" "QQ\006\004\003" "\0203\0100\003Q" "foo" |
174 q_to_nul >copytarget.repeat &&
175 len=$(wc -c <copytarget.repeat) &&
176 test-svn-fe -d preimage copytarget.repeat $len >actual &&
177 test_cmp expect actual
180 test_expect_success 'copyfrom target out of order' '
181 printf foooof >expect &&
182 printf "SVNQ%b%b%s" \
183 "QQ\006\007\003" "\0203\0101\002\0101\001\0101Q" "foo" |
184 q_to_nul >copytarget.reverse &&
185 len=$(wc -c <copytarget.reverse) &&
186 test-svn-fe -d preimage copytarget.reverse $len >actual &&
187 test_cmp expect actual
190 test_expect_success 'catch copyfrom future' '
191 printf "SVNQ%b%b%s" "QQ\004\004\003" "\0202\0101\002\0201" "XYZ" |
192 q_to_nul >copytarget.infuture &&
193 len=$(wc -c <copytarget.infuture) &&
194 test_must_fail test-svn-fe -d preimage copytarget.infuture $len
197 test_expect_success 'copy to sustain' '
198 printf XYXYXYXYXYXZ >expect &&
199 printf "SVNQ%b%b%s" "QQ\014\004\003" "\0202\0111Q\0201" "XYZ" |
200 q_to_nul >copytarget.sustain &&
201 len=$(wc -c <copytarget.sustain) &&
202 test-svn-fe -d preimage copytarget.sustain $len >actual &&
203 test_cmp expect actual
206 test_expect_success 'catch copy that overflows' '
207 printf "SVNQ%b%b%s" "QQ\003\003\001" "\0201\0177Q" X |
208 q_to_nul >copytarget.overflow &&
209 len=$(wc -c <copytarget.overflow) &&
210 test_must_fail test-svn-fe -d preimage copytarget.overflow $len
213 test_expect_success 'copyfrom source' '
214 printf foo >expect &&
215 printf "SVNQ%b%b" "Q\003\003\002Q" "\003Q" | q_to_nul >copysource.all &&
216 test-svn-fe -d preimage copysource.all 11 >actual &&
217 test_cmp expect actual
220 test_expect_success 'copy backwards' '
221 printf oof >expect &&
222 printf "SVNQ%b%b" "Q\003\003\006Q" "\001\002\001\001\001Q" |
223 q_to_nul >copysource.rev &&
224 test-svn-fe -d preimage copysource.rev 15 >actual &&
225 test_cmp expect actual
228 test_expect_success 'offsets are relative to window' '
229 printf fo >expect &&
230 printf "SVNQ%b%b%b%b" "Q\003\001\002Q" "\001Q" \
231 "\002\001\001\002Q" "\001Q" |
232 q_to_nul >copysource.two &&
233 test-svn-fe -d preimage copysource.two 18 >actual &&
234 test_cmp expect actual
237 test_expect_success 'example from notes/svndiff' '
238 printf aaaaccccdddddddd >expect &&
239 printf aaaabbbbcccc >source &&
240 printf "SVNQ%b%b%s" "Q\014\020\007\001" \
241 "\004Q\004\010\0201\0107\010" d |
242 q_to_nul >delta.example &&
243 len=$(wc -c <delta.example) &&
244 test-svn-fe -d source delta.example $len >actual &&
245 test_cmp expect actual
248 test_done