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Diffstat (limited to '')
| -rw-r--r-- | test/multiplex3.test | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/test/multiplex3.test b/test/multiplex3.test new file mode 100644 index 0000000..3188350 --- /dev/null +++ b/test/multiplex3.test @@ -0,0 +1,168 @@ + +# 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 $f 3 end]} } + +proc setup_and_save_db {} { + multiplex_delete_db + sqlite3 db file:test.db?8_3_names=1 + sqlite3_multiplex_control db main chunk_size [expr 256*1024] + execsql { + CREATE TABLE t1(a PRIMARY KEY, b); + INSERT INTO t1 VALUES(randomblob(15), randomblob(2000)); + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 2 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 4 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 8 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 16 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 32 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 64 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 128 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 256 + INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 512 + } + set ::cksum1 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}] + db close + multiplex_save_db +} + +do_test 1.0 { setup_and_save_db } {} +do_faultsim_test 1 -prep { + multiplex_restore_db + sqlite3 db file:test.db?8_3_names=1 + sqlite3_multiplex_control db main chunk_size [expr 256*1024] + execsql { PRAGMA journal_mode = truncate } + execsql { PRAGMA synchronous = off } +} -body { + execsql { + UPDATE t1 SET a=randomblob(12), b=randomblob(1500) WHERE (rowid%32)=0 + } +} -test { + faultsim_test_result {0 {}} + if {$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 |