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| 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 | |
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