sqlcipher/test/mjournal.test

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# 2017 September 15
#
# 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 implements regression tests for SQLite library.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix mjournal
if {[permutation]=="inmemory_journal"} {
finish_test
return
}
# Test that nothing bad happens if a journal file contains a pointer to
# a master journal file that does not have a "-" in the name. At one point
# this was causing a segfault on unix.
#
do_execsql_test 1.0 {
CREATE TABLE t1(a, b);
}
do_test 1.1 {
forcedelete test.db2journal test.db-journal
close [open test.db-journal w]
hexio_write test.db-journal 0 746573742e6462326a6f75726e616c00
hexio_write test.db-journal 16 00000010
hexio_write test.db-journal 20 000005e1
hexio_write test.db-journal 24 d9d505f920a163d7
close [open test.db2journal w]
hexio_write test.db2journal 0 abcd
} {2}
do_execsql_test 1.2 {
SELECT * FROM t1;
}
do_test 1.3 {
forcedelete test0db2journal test.db-journal
close [open test.db-journal w]
hexio_write test.db-journal 0 74657374306462326a6f75726e616c00
hexio_write test.db-journal 16 00000010
hexio_write test.db-journal 20 000005e3
hexio_write test.db-journal 24 d9d505f920a163d7
close [open test0db2journal w]
hexio_write test0db2journal 0 abcd
} {2}
do_execsql_test 1.4 {
SELECT * FROM t1;
}
# And now test that nothing bad happens if a master journal contains a
# pointer to a journal file that does not have a "-" in the name.
#
do_test 1.5 {
forcedelete test.db2-master test.db-journal test1
close [open test.db-journal w]
hexio_write test.db-journal 0 746573742e6462322d6d617374657200
hexio_write test.db-journal 16 00000010
hexio_write test.db-journal 20 0000059f
hexio_write test.db-journal 24 d9d505f920a163d7
close [open test.db2-master w]
hexio_write test.db2-master 0 746573743100
close [open test1 w]
hexio_write test1 0 abcd
} {2}
do_execsql_test 1.6 {
SELECT * FROM t1;
}
#-------------------------------------------------------------------------
# Check that master journals are not created if the transaction involves
# multiple temp files.
#
db close
testvfs tvfs
tvfs filter xOpen
tvfs script open_cb
set ::open ""
proc open_cb {method file arglist} {
lappend ::open $file
}
proc contains_mj {} {
foreach f $::open {
set t [file tail $f]
if {[string match *mj* $t]} { return 1 }
}
return 0
}
# Like [do_execsql_test], except that a boolean indicating whether or
# not a master journal file was opened ([file tail] contains "mj") or
# not. Example:
#
# do_hasmj_test 1.0 { SELECT 'a', 'b' } {0 a b}
#
proc do_hasmj_test {tn sql expected} {
set ::open [list]
uplevel [list do_test $tn [subst -nocommands {
set res [execsql "$sql"]
concat [contains_mj] [set res]
}] [list {*}$expected]]
}
forcedelete test.db
forcedelete test.db2
forcedelete test.db3
sqlite3 db test.db -vfs tvfs
do_execsql_test 2.0 {
ATTACH 'test.db2' AS dbfile;
ATTACH '' AS dbtemp;
ATTACH ':memory:' AS dbmem;
CREATE TABLE t1(x);
CREATE TABLE dbfile.t2(x);
CREATE TABLE dbtemp.t3(x);
CREATE TABLE dbmem.t4(x);
}
# Two real files.
do_hasmj_test 2.1 {
BEGIN;
INSERT INTO t1 VALUES(1);
INSERT INTO t2 VALUES(1);
COMMIT;
} {1}
# One real, one temp file.
do_hasmj_test 2.2 {
BEGIN;
INSERT INTO t1 VALUES(1);
INSERT INTO t3 VALUES(1);
COMMIT;
} {0}
# One file, one :memory: db.
do_hasmj_test 2.3 {
BEGIN;
INSERT INTO t1 VALUES(1);
INSERT INTO t4 VALUES(1);
COMMIT;
} {0}
finish_test