third_party/sqlite/sqlite-src-3080704/test/corrupt9.test - Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4.

Side by Side Diff: third_party/sqlite/sqlite-src-3080704/test/corrupt9.test

Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)

Patch Set: Created 4 years, 2 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

OLD	NEW
	(Empty)
1 # 2008 July 9

2 #

3 # The author disclaims copyright to this source code. In place of

4 # a legal notice, here is a blessing:

5 #

6 # May you do good and not evil.

7 # May you find forgiveness for yourself and forgive others.

8 # May you share freely, never taking more than you give.

9 #

10 #***********************************************************************

11 # This file implements regression tests for SQLite library.

12 #

13 # This file implements tests to make sure SQLite does not crash or

14 # segfault if it sees a corrupt database file. It specifically focuses

15 # on corruption in the form of duplicate entries on the freelist.

16 #

17 # $Id: corrupt9.test,v 1.3 2009/06/04 02:47:04 shane Exp $

18

19 set testdir [file dirname $argv0]

20 source $testdir/tester.tcl

21

22 # Do not use a codec for tests in this file, as the database file is

23 # manipulated directly using tcl scripts (using the [hexio_write] command).

24 #

25 do_not_use_codec

26

27 # These tests deal with corrupt database files

28 #

29 database_may_be_corrupt

30

31 # We must have the page_size pragma for these tests to work.

32 #

33 ifcapable !pager_pragmas {

34 finish_test

35 return

36 }

37

38 # Return the offset to the first (trunk) page of the freelist. Return

39 # zero of the freelist is empty.

40 #

41 proc freelist_trunk_offset {filename} {

42 if {[hexio_read $filename 36 4]==0} {return 0}

43 set pgno [hexio_get_int [hexio_read $filename 32 4]]

44 return [expr {($pgno-1)*[hexio_get_int [hexio_read $filename 16 2]]}]

45 }

46

47 # This procedure looks at the first trunk page of the freelist and

48 # corrupts that page by overwriting up to N entries with duplicates

49 # of the first entry.

50 #

51 proc corrupt_freelist {filename N} {

52 set offset [freelist_trunk_offset $filename]

53 if {$offset==0} {error "Freelist is empty"}

54 set cnt [hexio_get_int [hexio_read $filename [expr {$offset+4}] 4]]

55 set pgno [hexio_read $filename [expr {$offset+8}] 4]

56 for {set i 12} {$N>0 && $i<8+4*$cnt} {incr i 4; incr N -1} {

57 hexio_write $filename [expr {$offset+$i}] $pgno

58 }

59 }

60

61 # Create a database to work with. Make sure there are plenty of

62 # entries on the freelist.

63 #

64 do_test corrupt9-1.1 {

65 execsql {

66 PRAGMA auto_vacuum=NONE;

67 PRAGMA page_size=1024;

68 CREATE TABLE t1(x);

69 INSERT INTO t1(x) VALUES(1);

70 INSERT INTO t1(x) VALUES(2);

71 INSERT INTO t1(x) SELECT x+2 FROM t1;

72 INSERT INTO t1(x) SELECT x+4 FROM t1;

73 INSERT INTO t1(x) SELECT x+8 FROM t1;

74 INSERT INTO t1(x) SELECT x+16 FROM t1;

75 INSERT INTO t1(x) SELECT x+32 FROM t1;

76 INSERT INTO t1(x) SELECT x+64 FROM t1;

77 INSERT INTO t1(x) SELECT x+128 FROM t1;

78 INSERT INTO t1(x) SELECT x+256 FROM t1;

79 CREATE TABLE t2(a,b);

80 INSERT INTO t2 SELECT x, x*x FROM t1;

81 CREATE INDEX i1 ON t1(x);

82 CREATE INDEX i2 ON t2(b,a);

83 DROP INDEX i2;

84 }

85 expr {[file size test.db]>1024*24}

86 } {1}

87 integrity_check corrupt9-1.2

88

89 # Corrupt the freelist by adding duplicate entries to the freelist.

90 # Make sure the corruption is detected.

91 #

92 db close

93 forcecopy test.db test.db-template

94

95 corrupt_freelist test.db 1

96 sqlite3 db test.db

97 do_test corrupt9-2.1 {

98 set x [db eval {PRAGMA integrity_check}]

99 expr {$x!="ok"}

100 } {1}

101 do_test corrupt9-2.2 {

102 catchsql {

103 CREATE INDEX i2 ON t2(b,a);

104 REINDEX;

105 }

106 } {1 {database disk image is malformed}}

107

108

109 db close

110 forcecopy test.db-template test.db

111 corrupt_freelist test.db 2

112 sqlite3 db test.db

113 do_test corrupt9-3.1 {

114 set x [db eval {PRAGMA integrity_check}]

115 expr {$x!="ok"}

116 } {1}

117 do_test corrupt9-3.2 {

118 catchsql {

119 CREATE INDEX i2 ON t2(b,a);

120 REINDEX;

121 }

122 } {1 {database disk image is malformed}}

123

124 db close

125 forcecopy test.db-template test.db

126 corrupt_freelist test.db 3

127 sqlite3 db test.db

128 do_test corrupt9-4.1 {

129 set x [db eval {PRAGMA integrity_check}]

130 expr {$x!="ok"}

131 } {1}

132 do_test corrupt9-4.2 {

133 catchsql {

134 CREATE INDEX i2 ON t2(b,a);

135 REINDEX;

136 }

137 } {1 {database disk image is malformed}}

138

139

140 finish_test

OLD	NEW