# 2017-10-11
#
# 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. The
# focus of this file is testing the sqlite_dbpage virtual table.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix dbpage
ifcapable !vtab||!compound {
finish_test
return
}
sqlite3_db_config db DEFENSIVE 0
do_test 100 {
execsql {
PRAGMA auto_vacuum=0;
PRAGMA page_size=4096;
PRAGMA journal_mode=WAL;
}
execsql {
CREATE TABLE t1(a,b);
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
INSERT INTO t1(a,b) SELECT x, printf('%d-x%.*c',x,x,'x') FROM c;
PRAGMA integrity_check;
}
} {ok}
do_execsql_test 110 {
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage('main') ORDER BY pgno;
} {1 X'53514C6974' 2 X'0500000001' 3 X'0D0000004E' 4 X'0D00000016'}
do_execsql_test 120 {
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=2;
} {2 X'0500000001'}
do_execsql_test 130 {
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=4;
} {4 X'0D00000016'}
do_execsql_test 140 {
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=5;
} {}
do_execsql_test 150 {
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=0;
} {}
do_execsql_test 160 {
ATTACH ':memory:' AS aux1;
PRAGMA aux1.page_size=4096;
CREATE TABLE aux1.t2(a,b,c);
INSERT INTO t2 VALUES(11,12,13);
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage('aux1');
} {1 X'53514C6974' 2 X'0D00000001'}
do_execsql_test 170 {
CREATE TABLE aux1.x3(x,y,z);
INSERT INTO x3(x,y,z) VALUES(1,'main',1),(2,'aux1',1);
SELECT pgno, schema, substr(data,1,6)
FROM sqlite_dbpage, x3
WHERE sqlite_dbpage.schema=x3.y AND sqlite_dbpage.pgno=x3.z
ORDER BY x3.x;
} {1 main SQLite 1 aux1 SQLite}
do_execsql_test 200 {
CREATE TEMP TABLE saved_content(x);
INSERT INTO saved_content(x) SELECT data FROM sqlite_dbpage WHERE pgno=4;
UPDATE sqlite_dbpage SET data=zeroblob(4096) WHERE pgno=4;
} {}
do_catchsql_test 210 {
PRAGMA integrity_check;
} {1 {database disk image is malformed}}
do_execsql_test 220 {
SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage('main') ORDER BY pgno;
} {1 X'53514C6974' 2 X'0500000001' 3 X'0D0000004E' 4 X'0000000000'}
do_execsql_test 230 {
UPDATE sqlite_dbpage SET data=(SELECT x FROM saved_content) WHERE pgno=4;
} {}
do_catchsql_test 230 {
PRAGMA integrity_check;
} {0 ok}
do_execsql_test 240 {
DELETE FROM saved_content;
INSERT INTO saved_content(x)
SELECT data FROM sqlite_dbpage WHERE schema='aux1' AND pgno=2;
} {}
do_execsql_test 241 {
UPDATE sqlite_dbpage SET data=zeroblob(4096) WHERE pgno=2 AND schema='aux1';
} {}
do_catchsql_test 250 {
PRAGMA aux1.integrity_check;
} {1 {database disk image is malformed}}
do_execsql_test 260 {
UPDATE sqlite_dbpage SET data=(SELECT x FROM saved_content)
WHERE pgno=2 AND schema='aux1';
} {}
do_catchsql_test 270 {
PRAGMA aux1.integrity_check;
} {0 ok}
finish_test