# 2014 Dec 20
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file tests that the FTS5 'integrity-check' command detects
# inconsistencies (corruption) in the on-disk backing tables.
#
source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5corrupt
# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
finish_test
return
}
do_execsql_test 1.0 {
CREATE VIRTUAL TABLE t1 USING fts5(x);
INSERT INTO t1(t1, rank) VALUES('pgsz', 32);
}
do_test 1.1 {
db transaction {
for {set i 1} {$i < 200} {incr i} {
set doc [list [string repeat x $i] [string repeat y $i]]
execsql { INSERT INTO t1(rowid, x) VALUES($i, $doc) }
}
}
fts5_level_segs t1
} {1}
db_save
do_execsql_test 1.2 { INSERT INTO t1(t1) VALUES('integrity-check') }
set segid [lindex [fts5_level_segids t1] 0]
sqlite3_db_config db DEFENSIVE 0
do_test 1.3 {
execsql {
DELETE FROM t1_data WHERE rowid = fts5_rowid('segment', $segid, 4);
}
catchsql { INSERT INTO t1(t1) VALUES('integrity-check') }
} {1 {database disk image is malformed}}
do_test 1.4 {
db_restore_and_reopen
sqlite3_db_config db DEFENSIVE 0
execsql {
UPDATE t1_data set block = X'00000000' || substr(block, 5) WHERE
rowid = fts5_rowid('segment', $segid, 4);
}
catchsql { INSERT INTO t1(t1) VALUES('integrity-check') }
} {1 {database disk image is malformed}}
db_restore_and_reopen
#db eval {SELECT rowid, fts5_decode(rowid, block) aS r FROM t1_data} {puts $r}
#--------------------------------------------------------------------
#
do_execsql_test 2.0 {
CREATE VIRTUAL TABLE t2 USING fts5(x);
INSERT INTO t2(t2, rank) VALUES('pgsz', 64);
}
db func rnddoc fts5_rnddoc
do_test 2.1 {
for {set i 0} {$i < 500} {incr i} {
execsql { INSERT INTO t2 VALUES(rnddoc(50)) }
}
execsql { INSERT INTO t2(t2) VALUES('integrity-check') }
} {}
#--------------------------------------------------------------------
# A mundane test - missing row in the %_content table.
#
do_execsql_test 3.0 {
CREATE VIRTUAL TABLE t3 USING fts5(x);
INSERT INTO t3 VALUES('one o');
INSERT INTO t3 VALUES('two e');
INSERT INTO t3 VALUES('three o');
INSERT INTO t3 VALUES('four e');
INSERT INTO t3 VALUES('five o');
}
do_execsql_test 3.1 {
SELECT * FROM t3 WHERE t3 MATCH 'o'
} {{one o} {three o} {five o}}
sqlite3_db_config db DEFENSIVE 0
do_catchsql_test 3.1 {
DELETE FROM t3_content WHERE rowid = 3;
SELECT * FROM t3 WHERE t3 MATCH 'o';
} {1 {database disk image is malformed}}
finish_test