# 2011 January 28 # # 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 source $testdir/lock_common.tcl source $testdir/malloc_common.tcl if {[permutation] == "inmemory_journal"} { finish_test return } # Create a database with page-size 2048 bytes that uses 2 pages. Populate # it so that if the page-size is changed to 1024 bytes and the db vacuumed, # the new db size is 3 pages. # do_test pagerfault3-pre1 { execsql { PRAGMA page_size = 2048; CREATE TABLE t1(x); INSERT INTO t1 VALUES(randomblob(1200)); PRAGMA page_count; } } {2} do_test pagerfault3-pre2 { faultsim_save_and_close faultsim_restore_and_reopen execsql { PRAGMA page_size = 1024; VACUUM; PRAGMA page_count; } } {3} # Now do the page-size change and VACUUM with IO error injection. When # an IO error is injected into the final xSync() of the commit, the pager # will have to extend the db file from 3072 to 4096 byts when rolling # back the hot-journal file. This is a special case in pager_truncate(). # do_faultsim_test pagerfault3-1 -faults ioerr-transient -prep { faultsim_restore_and_reopen } -body { execsql { PRAGMA page_size = 1024; VACUUM; } } -test { faultsim_test_result {0 {}} faultsim_integrity_check } finish_test