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libsql/libsql-sqlite3/ext/recover/recoverpgsz.test
2023-10-16 13:58:16 +02:00

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# 2022 October 14
#
# 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.
#
#***********************************************************************
#
source [file join [file dirname [info script]] recover_common.tcl]
db close
sqlite3_test_control_pending_byte 0x1000000
set testprefix recoverpgsz
foreach {pgsz bOverflow} {
512 0 1024 0 2048 0 4096 0 8192 0 16384 0 32768 0 65536 0
512 1 1024 1 2048 1 4096 1 8192 1 16384 1 32768 1 65536 1
} {
reset_db
execsql "PRAGMA page_size = $pgsz"
execsql "PRAGMA auto_vacuum = 0"
do_execsql_test 1.$pgsz.$bOverflow.1 {
CREATE TABLE t1(a, b, c);
CREATE INDEX i1 ON t1(b, a, c);
INSERT INTO t1(a, b) VALUES(1, 2), (3, 4), (5, 6);
DELETE FROM t1 WHERE a=3;
}
if {$bOverflow} {
do_execsql_test 1.$pgsz.$bOverflow.1a {
UPDATE t1 SET c = randomblob(100000);
}
}
db close
set fd [open test.db]
fconfigure $fd -encoding binary -translation binary
seek $fd $pgsz
set pg1 [read $fd $pgsz]
set pg2 [read $fd $pgsz]
close $fd
set fd2 [open test.db2 w]
fconfigure $fd2 -encoding binary -translation binary
seek $fd2 $pgsz
puts -nonewline $fd2 $pg1
close $fd2
sqlite3 db2 test.db2
do_test 1.$pgsz.$bOverflow.2 {
set R [sqlite3_recover_init db2 main test.db3]
$R run
$R finish
} {}
sqlite3 db3 test.db3
do_test 1.$pgsz.$bOverflow.3 {
db3 eval { SELECT * FROM sqlite_schema }
db3 eval { PRAGMA page_size }
} $pgsz
db2 close
db3 close
forcedelete test.db3
forcedelete test.db2
set fd2 [open test.db2 w]
fconfigure $fd2 -encoding binary -translation binary
seek $fd2 $pgsz
puts -nonewline $fd2 $pg2
close $fd2
sqlite3 db2 test.db2
do_test 1.$pgsz.$bOverflow.4 {
set R [sqlite3_recover_init db2 main test.db3]
$R run
$R finish
} {}
sqlite3 db3 test.db3
do_test 1.$pgsz.$bOverflow.5 {
db3 eval { SELECT * FROM sqlite_schema }
db3 eval { PRAGMA page_size }
} $pgsz
db2 close
db3 close
}
finish_test