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# 2013 April 02
#
# 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 contains fault injection tests designed to test the btree.c
# module.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix btreefault
# This test will not work with an in-memory journal, as the database will
# become corrupt if an error is injected into a transaction after it starts
# writing data out to the db file.
if {[permutation]=="inmemory_journal"} {
finish_test
return
}
do_test 1-pre1 {
execsql {
PRAGMA auto_vacuum = incremental;
PRAGMA journal_mode = DELETE;
CREATE TABLE t1(a PRIMARY KEY, b);
INSERT INTO t1 VALUES(randomblob(1000), randomblob(100));
INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
DELETE FROM t1 WHERE rowid%2;
}
faultsim_save_and_close
} {}
do_faultsim_test 1 -prep {
faultsim_restore_and_reopen
set ::STMT [sqlite3_prepare db "SELECT * FROM t1 ORDER BY a" -1 DUMMY]
sqlite3_step $::STMT
sqlite3_step $::STMT
} -body {
execsql { PRAGMA incremental_vacuum = 10 }
} -test {
sqlite3_finalize $::STMT
faultsim_test_result {0 {}}
faultsim_integrity_check
}
#-------------------------------------------------------------------------
# dbsqlfuzz crash-6ef3cd3b18ccc5de86120950a0498641acd90a33.txt
#
reset_db
do_execsql_test 2.0 {
CREATE TABLE t1(i INTEGER PRIMARY KEY, a, b);
CREATE INDEX i1 ON t1(b);
CREATE TABLE t2(x, y);
}
do_execsql_test 2.1 {
INSERT INTO t1 VALUES(25, 25, 25);
INSERT INTO t2 VALUES(25, 'a'), (25, 'b'), (25, 'c');
}
faultsim_save
do_test 2.2 {
set res [list]
db eval {
SELECT x, y FROM t1 CROSS JOIN t2 WHERE t2.x=t1.i AND +t1.i=25 ORDER BY b
} {
lappend res $x $y
if {$y=="b"} {
db eval { DELETE FROM t1 WHERE i=25 }
}
}
set res
} {25 a 25 b}
do_faultsim_test 2 -faults oom-t* -prep {
faultsim_restore_and_reopen
db eval {SELECT * FROM sqlite_master}
} -body {
set ::myres [list]
db eval {
SELECT x, y FROM t1 CROSS JOIN t2 WHERE t2.x=t1.i AND +t1.i=25 ORDER BY b
} {
lappend ::myres $x $y
if {$y=="b"} {
db eval { DELETE FROM t1 WHERE i=25 }
}
}
set ::myres
} -test {
faultsim_test_result {0 {25 a 25 b}}
}
finish_test
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