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# 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 auto_vacuum = 0;
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
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