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Side by Side Diff: third_party/sqlite/sqlite-src-3080704/test/fts3corrupt.test

Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 2 months ago
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1 # 2010 October 27
2 #
3 # May you do good and not evil.
4 # May you find forgiveness for yourself and forgive others.
5 # May you share freely, never taking more than you give.
6 #
7 #***********************************************************************
8 # Test that the FTS3 extension does not crash when it encounters a
9 # corrupt data structure on disk.
10 #
11
12
13 set testdir [file dirname $argv0]
14 source $testdir/tester.tcl
15
16 # If SQLITE_ENABLE_FTS3 is not defined, omit this file.
17 ifcapable !fts3 { finish_test ; return }
18
19 set ::testprefix fts3corrupt
20
21
22 # Test that a doclist with a length field that indicates that the doclist
23 # extends past the end of the node on which it resides is correctly identified
24 # as database corruption.
25 #
26 do_execsql_test 1.0 {
27 CREATE VIRTUAL TABLE t1 USING fts3;
28 INSERT INTO t1 VALUES('hello');
29 } {}
30 do_test fts3corrupt-1.1 {
31 set blob [db one {SELECT root from t1_segdir}]
32 set blob [binary format a7ca* $blob 24 [string range $blob 8 end]]
33 execsql { UPDATE t1_segdir SET root = $blob }
34 } {}
35 do_test fts3corrupt-1.2 {
36 foreach w {a b c d e f g h i j k l m n o} {
37 execsql { INSERT INTO t1 VALUES($w) }
38 }
39 } {}
40 do_catchsql_test 1.3 {
41 INSERT INTO t1 VALUES('world');
42 } {1 {database disk image is malformed}}
43 do_test 1.3.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
44 do_execsql_test 1.4 {
45 DROP TABLE t1;
46 }
47
48 # This block of tests checks that corruption is correctly detected if the
49 # length field of a term on a leaf node indicates that the term extends past
50 # the end of the node on which it resides. There are two cases:
51 #
52 # 1. The first term on the node.
53 # 2. The second or subsequent term on the node (prefix compressed term).
54 #
55 do_execsql_test 2.0 {
56 CREATE VIRTUAL TABLE t1 USING fts3;
57 BEGIN;
58 INSERT INTO t1 VALUES('hello');
59 INSERT INTO t1 VALUES('hello');
60 INSERT INTO t1 VALUES('hello');
61 INSERT INTO t1 VALUES('hello');
62 INSERT INTO t1 VALUES('hello');
63 COMMIT;
64 } {}
65 do_test fts3corrupt-2.1 {
66 set blob [db one {SELECT root from t1_segdir}]
67 set blob [binary format a*a* "\x00\x7F" [string range $blob 2 end]]
68 execsql { UPDATE t1_segdir SET root = $blob }
69 } {}
70 do_catchsql_test 2.2 {
71 SELECT rowid FROM t1 WHERE t1 MATCH 'hello'
72 } {1 {database disk image is malformed}}
73 do_test 2.2.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
74
75 do_execsql_test 3.0 {
76 DROP TABLE t1;
77 CREATE VIRTUAL TABLE t1 USING fts3;
78 BEGIN;
79 INSERT INTO t1 VALUES('hello');
80 INSERT INTO t1 VALUES('world');
81 COMMIT;
82 } {}
83 do_test fts3corrupt-3.1 {
84 set blob [db one {SELECT quote(root) from t1_segdir}]
85 set blob [binary format a11a*a* $blob "\x7F" [string range $blob 12 end]]
86 execsql { UPDATE t1_segdir SET root = $blob }
87 } {}
88 do_catchsql_test 3.2 {
89 SELECT rowid FROM t1 WHERE t1 MATCH 'world'
90 } {1 {database disk image is malformed}}
91 do_test 3.2.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
92
93
94 do_execsql_test 4.0 {
95 DROP TABLE t1;
96 CREATE VIRTUAL TABLE t1 USING fts3;
97 INSERT INTO t1(t1) VALUES('nodesize=24');
98 }
99 do_test fts3corrupt-4.1 {
100 execsql BEGIN
101 foreach s {
102 "amxtvoo adqwroyhz auq aithtir avniqnuynvf axp ahibayfynig agbicpm"
103 "ajdtebs anteaxr aieynenwmd awpl alo akxcrwow aoxftge aoqvgul"
104 "amcfvdr auz apu aebelm ahuxyz aqc asyafdb agulvhvqu"
105 "apepwfyz azkhdvkw aenyelxzbk aslnitbyet aycdsdcpgr aqzzdbc agfi axnypydou"
106 "aaqrzzcm apcxdxo atumltzj aevvivo aodknoft aqoyytoz alobx apldt"
107 } {
108 execsql { INSERT INTO t1 VALUES($s) }
109 }
110 execsql COMMIT
111 } {}
112
113 do_catchsql_test 4.2 {
114 UPDATE t1_segdir SET root = X'FFFFFFFFFFFFFFFF';
115 SELECT rowid FROM t1 WHERE t1 MATCH 'world';
116 } {1 {database disk image is malformed}}
117 do_test 4.2.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
118
119 set blob [binary format cca*cca*cca*cca*cca*cca*cca*cca*cca*cca*a* \
120 22 120 [string repeat a 120] \
121 22 120 [string repeat b 120] \
122 22 120 [string repeat c 120] \
123 22 120 [string repeat d 120] \
124 22 120 [string repeat e 120] \
125 22 120 [string repeat f 120] \
126 22 120 [string repeat g 120] \
127 22 120 [string repeat h 120] \
128 22 120 [string repeat i 120] \
129 22 120 [string repeat j 120] \
130 "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
131 ]
132
133 do_catchsql_test 4.3 {
134 UPDATE t1_segdir SET root = $blob;
135 SELECT rowid FROM t1 WHERE t1 MATCH 'world';
136 } {1 {database disk image is malformed}}
137 do_test 4.3.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
138
139 # Test a special kind of corruption, where the %_stat table contains
140 # an invalid entry. At one point this could lead to a division-by-zero
141 # error in fts4.
142 #
143 do_execsql_test 5.0 {
144 DROP TABLE t1;
145 CREATE VIRTUAL TABLE t1 USING fts4;
146 }
147 do_test 5.1 {
148 db func nn nn
149 execsql BEGIN
150 execsql { INSERT INTO t1 VALUES('one') }
151 execsql { INSERT INTO t1 VALUES('two') }
152 execsql { INSERT INTO t1 VALUES('three') }
153 execsql { INSERT INTO t1 VALUES('four') }
154 execsql COMMIT
155 } {}
156 do_catchsql_test 5.2 {
157 UPDATE t1_stat SET value = X'0000';
158 SELECT matchinfo(t1, 'nxa') FROM t1 WHERE t1 MATCH 't*';
159 } {1 {database disk image is malformed}}
160 do_test 5.2.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
161 do_catchsql_test 5.3 {
162 UPDATE t1_stat SET value = NULL;
163 SELECT matchinfo(t1, 'nxa') FROM t1 WHERE t1 MATCH 't*';
164 } {1 {database disk image is malformed}}
165 do_test 5.3.1 { sqlite3_extended_errcode db } SQLITE_CORRUPT_VTAB
166
167
168 finish_test
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