AryaWu/sqlite

1# 2010 September 202#3# The author disclaims copyright to this source code.  In place of4# a legal notice, here is a blessing:5#6#    May you do good and not evil.7#    May you find forgiveness for yourself and forgive others.8#    May you share freely, never taking more than you give.9#10#***********************************************************************11# This file implements regression tests for SQLite library.12#13# This file implements tests to verify that ticket [313723c356] has been14# fixed.  15#16 17set testdir [file dirname $argv0]18source $testdir/tester.tcl19source $testdir/malloc_common.tcl20 21if {![wal_is_capable]} { finish_test ; return }22 23do_execsql_test tkt-313723c356.1 {24  PRAGMA page_size = 1024;25  PRAGMA journal_mode = WAL;26  CREATE TABLE t1(a, b);27  CREATE INDEX i1 ON t1(a, b);28  INSERT INTO t1 VALUES(randomblob(400), randomblob(400));29  INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;30  INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;31  INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;32  INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;33} {wal}34faultsim_save_and_close35 36do_faultsim_test tkt-313723c356.2 -faults shmerr* -prep {37  faultsim_restore_and_reopen38  sqlite3 db2 test.db39  db eval  { SELECT * FROM t1 }40  db2 eval { UPDATE t1 SET a = randomblob(399) }41  db2 close42} -body {43  # At this point, the cache contains all of table t1 and none of index i1. The44  # cache is out of date. When the bug existed and the right xShmLock() fails45  # in the following statement, the internal cache of the WAL header was46  # being updated, but the contents of the page-cache not flushed. This causes47  # the integrity-check in the "-test" code to fail, as it is comparing the48  # cached (out-of-date) version of table t1 with the on disk (up-to-date)49  # version of index i1.50  #51  execsql { SELECT min(rowid) FROM t1 }52} -test {53  faultsim_test_result {0 1}54  faultsim_integrity_check55}56 57finish_test58