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Annotation of embedaddon/sqlite3/test/crash2.test, revision 1.1

1.1     ! misho       1: # 2001 September 15
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #***********************************************************************
        !            11: # This file implements regression tests for SQLite library.
        !            12: #
        !            13: # The focus of this file is testing the ability of the database to
        !            14: # uses its rollback journal to recover intact (no database corruption)
        !            15: # from a power failure during the middle of a COMMIT. Even more
        !            16: # specifically, the tests in this file verify this functionality
        !            17: # for storage mediums with various sector sizes.
        !            18: #
        !            19: # $Id: crash2.test,v 1.6 2008/08/25 07:12:29 danielk1977 Exp $
        !            20: 
        !            21: set testdir [file dirname $argv0]
        !            22: source $testdir/tester.tcl
        !            23: 
        !            24: ifcapable !crashtest {
        !            25:   finish_test
        !            26:   return
        !            27: }
        !            28: 
        !            29: db close
        !            30: 
        !            31: # This test is designed to check that the crash-test infrastructure
        !            32: # can create files that do not consist of an integer number of
        !            33: # simulated disk blocks (i.e. 3KB file using 2KB disk blocks).
        !            34: #
        !            35: do_test crash2-1.1 {
        !            36:   crashsql -delay 500 -file test.db -blocksize 2048 {
        !            37:     PRAGMA auto_vacuum=OFF;
        !            38:     PRAGMA page_size=1024;
        !            39:     BEGIN;
        !            40:     CREATE TABLE abc AS SELECT 1 AS a, 2 AS b, 3 AS c;
        !            41:     CREATE TABLE def AS SELECT 1 AS d, 2 AS e, 3 AS f;
        !            42:     COMMIT;
        !            43:   }
        !            44:   file size test.db
        !            45: } {3072}
        !            46: 
        !            47: for {set ii 0} {$ii < 5} {incr ii} {
        !            48: 
        !            49:   # Simple test using the database created above: Create a new
        !            50:   # table so that page 1 and page 4 are modified. Using a
        !            51:   # block-size of 2048 and page-size of 1024, this means
        !            52:   # pages 2 and 3 must also be saved in the journal to avoid
        !            53:   # risking corruption.
        !            54:   #
        !            55:   # The loop is so that this test can be run with a couple
        !            56:   # of different seeds for the random number generator.
        !            57:   #
        !            58:   do_test crash2-1.2.$ii {
        !            59:     crashsql -file test.db -blocksize 2048 [subst {
        !            60:       [string repeat {SELECT random();} $ii]
        !            61:       CREATE TABLE hij(h, i, j);
        !            62:     }]
        !            63:     sqlite3 db test.db
        !            64:     db eval {PRAGMA integrity_check}
        !            65:   } {ok}
        !            66: }
        !            67: 
        !            68: proc signature {} {
        !            69:   return [db eval {SELECT count(*), md5sum(a), md5sum(b), md5sum(c) FROM abc}]
        !            70: }
        !            71: 
        !            72: # Test case for crashing during journal sync with simulated
        !            73: # sector-size values from 1024 to 8192.
        !            74: #
        !            75: do_test crash2-2.0 {
        !            76:   execsql BEGIN
        !            77:   for {set n 0} {$n < 1000} {incr n} {
        !            78:     execsql "INSERT INTO abc VALUES($n, [expr 2*$n], [expr 3*$n])"
        !            79:   }
        !            80:   execsql {
        !            81:     INSERT INTO abc SELECT * FROM abc;
        !            82:     INSERT INTO abc SELECT * FROM abc;
        !            83:     INSERT INTO abc SELECT * FROM abc;
        !            84:     INSERT INTO abc SELECT * FROM abc;
        !            85:     INSERT INTO abc SELECT * FROM abc;
        !            86:   }
        !            87:   execsql COMMIT
        !            88:   expr ([file size test.db] / 1024) > 450
        !            89: } {1}
        !            90: for {set i 1} {$i < 30} {incr i} {
        !            91:   set sig [signature]
        !            92:   set sector [expr 1024 * 1<<($i%4)]
        !            93:   db close
        !            94:   do_test crash2-2.$i.1 {
        !            95:      crashsql -blocksize $sector -delay [expr $i%5 + 1] -file test.db-journal "
        !            96:        PRAGMA temp_store = memory;
        !            97:        BEGIN;
        !            98:        SELECT random() FROM abc LIMIT $i;
        !            99:        INSERT INTO abc SELECT randstr(10,10), 0, 0 FROM abc WHERE random()%2==0;
        !           100:        DELETE FROM abc WHERE random()%2!=0;
        !           101:        COMMIT;
        !           102:      "
        !           103:   } {1 {child process exited abnormally}}
        !           104:   do_test crash2-2.$i.2 {
        !           105:     sqlite3 db test.db
        !           106:     signature
        !           107:   } $sig
        !           108: } 
        !           109: 
        !           110: 
        !           111: # Test case for crashing during database sync with simulated
        !           112: # sector-size values from 1024 to 8192.
        !           113: #
        !           114: for {set i 1} {$i < 10} {incr i} {
        !           115:   set sig [signature]
        !           116:   set sector [expr 1024 * 1<<($i%4)]
        !           117:   db close
        !           118:   do_test crash2-3.$i.1 {
        !           119:      crashsql -blocksize $sector -file test.db "
        !           120:        BEGIN;
        !           121:        SELECT random() FROM abc LIMIT $i;
        !           122:        INSERT INTO abc SELECT randstr(10,10), 0, 0 FROM abc WHERE random()%2==0;
        !           123:        DELETE FROM abc WHERE random()%2!=0;
        !           124:        COMMIT;
        !           125:      "
        !           126:   } {1 {child process exited abnormally}}
        !           127:   do_test crash2-3.$i.2 {
        !           128:     sqlite3 db test.db
        !           129:     signature
        !           130:   } $sig
        !           131: } 
        !           132: 
        !           133: finish_test