125 lines
3.6 KiB
Plaintext
125 lines
3.6 KiB
Plaintext
# 2001 September 15
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# The focus of this file is testing the ability of the database to
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# uses its rollback journal to recover intact (no database corruption)
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# from a power failure during the middle of a COMMIT. Even more
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# specifically, the tests in this file verify this functionality
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# for storage mediums with various sector sizes.
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#
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# $Id: crash2.test,v 1.3 2007/03/19 15:04:54 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !crashtest {
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finish_test
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return
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}
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# This test is designed to check that the crash-test infrastructure
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# can create files that do not consist of an integer number of
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# simulated disk blocks (i.e. 3KB file using 2KB disk blocks).
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#
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do_test crash2-1.1 {
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crashsql -delay 500 -file test.db -blocksize 2048 {
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BEGIN;
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CREATE TABLE abc AS SELECT 1 AS a, 2 AS b, 3 AS c;
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CREATE TABLE def AS SELECT 1 AS d, 2 AS e, 3 AS f;
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COMMIT;
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}
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file size test.db
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} {3072}
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for {set ii 0} {$ii < 5} {incr ii} {
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# Simple test using the database created above: Create a new
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# table so that page 1 and page 4 are modified. Using a
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# block-size of 2048 and page-size of 1024, this means
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# pages 2 and 3 must also be saved in the journal to avoid
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# risking corruption.
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#
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# The loop is so that this test can be run with a couple
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# of different seeds for the random number generator.
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#
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do_test crash2-1.2.$ii {
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crashsql -file test.db -blocksize 2048 "
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[string repeat {SELECT random();} $ii]
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CREATE TABLE hij(h, i, j);
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"
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db eval {PRAGMA integrity_check}
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} {ok}
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}
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proc signature {} {
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return [db eval {SELECT count(*), md5sum(a), md5sum(b), md5sum(c) FROM abc}]
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}
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# Test case for crashing during journal sync with simulated
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# sector-size values from 1024 to 8192.
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#
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do_test crash2-2.0 {
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execsql BEGIN
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for {set n 0} {$n < 1000} {incr n} {
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execsql "INSERT INTO abc VALUES($n, [expr 2*$n], [expr 3*$n])"
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}
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execsql {
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INSERT INTO abc SELECT * FROM abc;
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INSERT INTO abc SELECT * FROM abc;
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INSERT INTO abc SELECT * FROM abc;
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INSERT INTO abc SELECT * FROM abc;
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INSERT INTO abc SELECT * FROM abc;
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}
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execsql COMMIT
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expr ([file size test.db] / 1024) > 450
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} {1}
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for {set i 1} {$i < 30} {incr i} {
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set sig [signature]
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set sector [expr 1024 * 1<<($i%4)]
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do_test crash-2.$i.1 {
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crashsql -blocksize $sector -delay [expr $i%5 + 1] -file test.db-journal "
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BEGIN;
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SELECT random() FROM abc LIMIT $i;
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INSERT INTO abc SELECT randstr(10,10), 0, 0 FROM abc WHERE random()%2==0;
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DELETE FROM abc WHERE random()%2!=0;
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COMMIT;
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"
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} {1 {child process exited abnormally}}
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do_test crash-2.$i.2 {
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signature
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} $sig
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}
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# Test case for crashing during database sync with simulated
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# sector-size values from 1024 to 8192.
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#
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for {set i 1} {$i < 10} {incr i} {
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set sig [signature]
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set sector [expr 1024 * 1<<($i%4)]
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do_test crash-3.$i.1 {
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crashsql -blocksize $sector -file test.db "
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BEGIN;
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SELECT random() FROM abc LIMIT $i;
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INSERT INTO abc SELECT randstr(10,10), 0, 0 FROM abc WHERE random()%2==0;
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DELETE FROM abc WHERE random()%2!=0;
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COMMIT;
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"
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} {1 {child process exited abnormally}}
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do_test crash-3.$i.2 {
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signature
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} $sig
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}
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finish_test
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