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# 2011 December 13
#
# 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.
#
#***********************************************************************
#
# This file contains tests for error (IO, OOM etc.) handling when using
# the multiplexor extension with 8.3 filenames.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set ::testprefix multiplex3
ifcapable !8_3_names {
puts -nonewline "SQLite compiled without SQLITE_ENABLE_8_3_NAMES. "
puts "Skipping tests multiplex3-*."
finish_test
return
}
db close
sqlite3_shutdown
sqlite3_config_uri 1
autoinstall_test_functions
sqlite3_multiplex_initialize "" 1
proc destroy_vfs_stack {} {
generic_unregister stack
sqlite3_multiplex_shutdown
}
proc multiplex_delete_db {} {
forcedelete test.db
for {set i 1} {$i <= 1000} {incr i} {
forcedelete test.[format %03d $i]
}
}
# Procs to save and restore the current muliplexed database.
#
proc multiplex_save_db {} {
foreach f [glob -nocomplain sv_test.*] { forcedelete $f }
foreach f [glob -nocomplain test.*] { forcecopy $f "sv_$f" }
}
proc multiplex_restore_db {} {
foreach f [glob -nocomplain test.*] {forcedelete $f}
foreach f [glob -nocomplain sv_test.*] {forcecopy $f [string range $f 3 end]} }
proc setup_and_save_db {} {
multiplex_delete_db
sqlite3 db file:test.db?8_3_names=1
sqlite3_multiplex_control db main chunk_size [expr 256*1024]
execsql {
CREATE TABLE t1(a PRIMARY KEY, b);
INSERT INTO t1 VALUES(randomblob(15), randomblob(2000));
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 2
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 4
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 8
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 16
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 32
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 64
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 128
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 256
INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 512
}
set ::cksum1 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
db close
multiplex_save_db
}
do_test 1.0 { setup_and_save_db } {}
do_faultsim_test 1 -prep {
multiplex_restore_db
sqlite3 db file:test.db?8_3_names=1
sqlite3_multiplex_control db main chunk_size [expr 256*1024]
} -body {
execsql {
UPDATE t1 SET a=randomblob(12), b=randomblob(1500) WHERE (rowid%32)=0
}
} -test {
faultsim_test_result {0 {}}
if {$testrc!=0} {
set cksum2 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
if {$cksum2 != $::cksum1} { error "data mismatch" }
}
}
#-------------------------------------------------------------------------
# The following tests verify that hot-journal rollback works. As follows:
#
# 1. Create a large database.
# 2. Set the pager cache to be very small.
# 3. Open a transaction.
# 4. Run the following 100 times:
# a. Update a row.
# b. Copy all files on disk to a new db location, including the journal.
# c. Verify that the new db can be opened and that the content matches
# the database created in step 1 (proving the journal was rolled
# back).
do_test 2.0 {
setup_and_save_db
multiplex_restore_db
sqlite3 db file:test.db?8_3_names=1
execsql { PRAGMA cache_size = 10 }
execsql { BEGIN }
} {}
for {set iTest 1} {$iTest<=100} {incr iTest} {
do_test 2.$iTest {
execsql {
UPDATE t1 SET a=randomblob(12), b=randomblob(1400) WHERE rowid=5*$iTest
}
foreach f [glob -nocomplain test.*] {forcecopy $f "xx_$f"}
sqlite3 db2 file:xx_test.db?8_3_names=1
execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a} db2
} $::cksum1
db2 close
}
catch { db close }
do_test 3.0 { setup_and_save_db } {}
do_faultsim_test 3 -faults ioerr-trans* -prep {
forcedelete test2.db
set fd [open test2.wal w]
seek $fd 4095
puts -nonewline $fd x
close $fd
multiplex_restore_db
sqlite3 db file:test.db?8_3_names=1
sqlite3 db2 file:test2.db?8_3_names=1
sqlite3_multiplex_control db main chunk_size [expr 256*1024]
sqlite3_multiplex_control db2 main chunk_size [expr 256*1024]
} -body {
sqlite3_backup B db2 main db main
B step 100000
set rc [B finish]
if { [string match SQLITE_IOERR_* $rc] } {error "disk I/O error"}
set rc
} -test {
faultsim_test_result {0 SQLITE_OK}
if {$testrc==0} {
set cksum2 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a} db2]
if {$cksum2 != $::cksum1} { error "data mismatch" }
}
catch { B finish }
catch { db close }
catch { db2 close }
}
catch { db close }
sqlite3_multiplex_shutdown
finish_test
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