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Annotation of embedaddon/sqlite3/test/multiplex3.test, revision 1.1.1.1

1.1       misho       1: 
                      2: # 2011 December 13
                      3: #
                      4: # The author disclaims copyright to this source code.  In place of
                      5: # a legal notice, here is a blessing:
                      6: #
                      7: #    May you do good and not evil.
                      8: #    May you find forgiveness for yourself and forgive others.
                      9: #    May you share freely, never taking more than you give.
                     10: #
                     11: #***********************************************************************
                     12: #
                     13: # This file contains tests for error (IO, OOM etc.) handling when using
                     14: # the multiplexor extension with 8.3 filenames.
                     15: #
                     16: 
                     17: set testdir [file dirname $argv0]
                     18: source $testdir/tester.tcl
                     19: source $testdir/malloc_common.tcl
                     20: set ::testprefix multiplex3
                     21: 
                     22: ifcapable !8_3_names {
                     23:   puts -nonewline "SQLite compiled without SQLITE_ENABLE_8_3_NAMES. "
                     24:   puts            "Skipping tests multiplex3-*."
                     25:   finish_test
                     26:   return
                     27: }
                     28: 
                     29: db close
                     30: sqlite3_shutdown
                     31: sqlite3_config_uri 1
                     32: autoinstall_test_functions
                     33: 
                     34: sqlite3_multiplex_initialize "" 1
                     35: 
                     36: proc destroy_vfs_stack {} {
                     37:   generic_unregister stack
                     38:   sqlite3_multiplex_shutdown
                     39: }
                     40: 
                     41: proc multiplex_delete_db {} {
                     42:   forcedelete test.db
                     43:   for {set i 1} {$i <= 1000} {incr i} {
                     44:     forcedelete test.[format %03d $i]
                     45:   }
                     46: }
                     47: 
                     48: # Procs to save and restore the current muliplexed database.
                     49: #
                     50: proc multiplex_save_db {} {
                     51:   foreach f [glob -nocomplain sv_test.*] { forcedelete $f }
                     52:   foreach f [glob -nocomplain test.*]    { forcecopy $f "sv_$f" }
                     53: }
                     54: proc multiplex_restore_db {} {
                     55:   foreach f [glob -nocomplain test.*]    {forcedelete $f}
                     56:   foreach f [glob -nocomplain sv_test.*] {forcecopy $f [string range $f 3 end]} }
                     57: 
                     58: proc setup_and_save_db {} {
                     59:   multiplex_delete_db
                     60:   sqlite3 db file:test.db?8_3_names=1
                     61:   sqlite3_multiplex_control db main chunk_size [expr 256*1024]
                     62:   execsql {
                     63:     CREATE TABLE t1(a PRIMARY KEY, b);
                     64:     INSERT INTO t1 VALUES(randomblob(15), randomblob(2000));
                     65:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --   2
                     66:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --   4
                     67:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --   8
                     68:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --  16
                     69:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --  32
                     70:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --  64
                     71:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    -- 128
                     72:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    -- 256
                     73:     INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    -- 512
                     74:   }
                     75:   set ::cksum1 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
                     76:   db close
                     77:   multiplex_save_db
                     78: }
                     79: 
                     80: do_test 1.0 { setup_and_save_db } {}
                     81: do_faultsim_test 1 -prep {
                     82:   multiplex_restore_db
                     83:   sqlite3 db file:test.db?8_3_names=1
                     84:   sqlite3_multiplex_control db main chunk_size [expr 256*1024]
                     85: } -body {
                     86:   execsql {
                     87:     UPDATE t1 SET a=randomblob(12), b=randomblob(1500) WHERE (rowid%32)=0
                     88:   }
                     89: } -test {
                     90:   faultsim_test_result {0 {}}
                     91:   if {$testrc!=0} {
                     92:     set cksum2 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
                     93:     if {$cksum2 != $::cksum1} { error "data mismatch" }
                     94:   }
                     95: }
                     96: 
                     97: #-------------------------------------------------------------------------
                     98: # The following tests verify that hot-journal rollback works. As follows:
                     99: #
                    100: #   1. Create a large database.
                    101: #   2. Set the pager cache to be very small.
                    102: #   3. Open a transaction. 
                    103: #   4. Run the following 100 times:
                    104: #      a. Update a row.
                    105: #      b. Copy all files on disk to a new db location, including the journal.
                    106: #      c. Verify that the new db can be opened and that the content matches
                    107: #         the database created in step 1 (proving the journal was rolled
                    108: #         back).
                    109: 
                    110: do_test 2.0 { 
                    111:   setup_and_save_db
                    112:   multiplex_restore_db
                    113:   sqlite3 db file:test.db?8_3_names=1
                    114:   execsql { PRAGMA cache_size = 10 }
                    115:   execsql { BEGIN }
                    116: } {}
                    117: 
                    118: for {set iTest 1} {$iTest<=100} {incr iTest} {
                    119:   do_test 2.$iTest {
                    120:     execsql { 
                    121:       UPDATE t1 SET a=randomblob(12), b=randomblob(1400) WHERE rowid=5*$iTest
                    122:     }
                    123:     foreach f [glob -nocomplain test.*] {forcecopy $f "xx_$f"}
                    124:     sqlite3 db2 file:xx_test.db?8_3_names=1
                    125:     execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a} db2
                    126:   } $::cksum1
                    127: 
                    128:   db2 close
                    129: }
                    130: 
                    131: catch { db close }
                    132: sqlite3_multiplex_shutdown
                    133: finish_test