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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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