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