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# 2024 January 23
#
# 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.
#
#***********************************************************************
#
# Test special cases of corrupt database handling in mmap-mode.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix mmapcorrupt
database_may_be_corrupt
db close
sqlite3_shutdown
sqlite3_config_lookaside 0 0
sqlite3_initialize
reset_db
do_execsql_test 1.0 {
PRAGMA page_size = 16384;
CREATE TABLE tn1(a PRIMARY KEY) WITHOUT ROWID;
CREATE TABLE t0(a PRIMARY KEY) WITHOUT ROWID;
CREATE TABLE t1(a PRIMARY KEY) WITHOUT ROWID;
INSERT INTO t1 VALUES('B');
}
db close
set sz [file size test.db]
hexio_write test.db [expr $sz-3] 800380
sqlite3 db test.db
do_execsql_test 2.1 {
PRAGMA mmap_size = 1000000;
SELECT sql FROM sqlite_schema LIMIT 1;
SELECT * FROM t0;
} {1000000 {CREATE TABLE tn1(a PRIMARY KEY) WITHOUT ROWID}}
do_execsql_test 2.2 {
INSERT INTO t0 SELECT * FROM t1;
}
finish_test
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