# 2014-01-20 # # 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. # #*********************************************************************** # set testdir [file dirname $argv0] source $testdir/tester.tcl set testprefix corruptI if {[permutation]=="mmap"} { finish_test return } # Do not use a codec for tests in this file, as the database file is # manipulated directly using tcl scripts (using the [hexio_write] command). # do_not_use_codec database_may_be_corrupt # Initialize the database. # do_execsql_test 1.1 { PRAGMA page_size=1024; PRAGMA auto_vacuum=0; CREATE TABLE t1(a); CREATE INDEX i1 ON t1(a); INSERT INTO t1 VALUES('abcdefghijklmnop'); } {} db close do_test 1.2 { set offset [hexio_get_int [hexio_read test.db [expr 2*1024 + 8] 2]] set off [expr 2*1024 + $offset + 1] hexio_write test.db $off 7f06 sqlite3 db test.db catchsql { SELECT * FROM t1 WHERE a = 10 } } {0 {}} do_test 1.3 { db close set offset [hexio_get_int [hexio_read test.db [expr 2*1024 + 8] 2]] set off [expr 2*1024 + $offset + 1] hexio_write test.db $off FFFF7f02 sqlite3 db test.db catchsql { SELECT * FROM t1 WHERE a = 10 } } {0 {}} do_test 2.0 { execsql { CREATE TABLE r(x); INSERT INTO r VALUES('ABCDEFGHIJK'); CREATE INDEX r1 ON r(x); } set pg [db one {SELECT rootpage FROM sqlite_master WHERE name = 'r1'}] } {5} do_test 2.1 { db close set offset [hexio_get_int [hexio_read test.db [expr (5-1)*1024 + 8] 2]] set off [expr (5-1)*1024 + $offset + 1] hexio_write test.db $off FFFF0004 sqlite3 db test.db catchsql { SELECT * FROM r WHERE x >= 10.0 } } {1 {database disk image is malformed}} do_test 2.2 { catchsql { SELECT * FROM r WHERE x >= 10 } } {1 {database disk image is malformed}} finish_test