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| 1 # 2009 January 8 | |
| 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 # | |
| 12 # This script attempts to reproduce the circumstances of ticket #2565. | |
| 13 # | |
| 14 # More specifically, this script attempts to generate rollback journals | |
| 15 # that contain headers with nRec==0 that are followed by additional | |
| 16 # valid headers. | |
| 17 # | |
| 18 # $Id: tkt2565.test,v 1.2 2009/04/09 01:23:49 drh Exp $ | |
| 19 | |
| 20 set testdir [file dirname $argv0] | |
| 21 source $testdir/tester.tcl | |
| 22 | |
| 23 # Use the alternative pcache and rig it to call pagerStress() | |
| 24 # very frequently. | |
| 25 # | |
| 26 db close | |
| 27 sqlite3_shutdown | |
| 28 sqlite3_config_alt_pcache 1 100 0 1 | |
| 29 | |
| 30 # Open two database connections to database "test.db". | |
| 31 # | |
| 32 proc reopen_database {} { | |
| 33 catch {db close} | |
| 34 sqlite3 db test.db | |
| 35 db cache size 0 | |
| 36 execsql { | |
| 37 pragma page_size=512; | |
| 38 pragma auto_vacuum=2; | |
| 39 pragma cache_size=16; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 # Open two database connections and create a single table in the db. | |
| 44 # | |
| 45 do_test tkt2565-1.0 { | |
| 46 reopen_database | |
| 47 execsql { CREATE TABLE A(Id INTEGER, Name TEXT) } | |
| 48 } {} | |
| 49 | |
| 50 for {set iFail 1} {$iFail<200} {incr iFail} { | |
| 51 reopen_database | |
| 52 execsql { pragma locking_mode=exclusive } | |
| 53 set nRow [db one {SELECT count(*) FROM a}] | |
| 54 | |
| 55 # Dirty (at least) one of the pages in the cache. | |
| 56 do_test tkt2565-1.$iFail.1 { | |
| 57 execsql { | |
| 58 BEGIN EXCLUSIVE; | |
| 59 INSERT INTO a VALUES(1, 'ABCDEFGHIJKLMNOP'); | |
| 60 } | |
| 61 } {} | |
| 62 | |
| 63 # Now try to commit the transaction. Cause an IO error to occur | |
| 64 # within this operation, which moves the pager into the error state. | |
| 65 # | |
| 66 set ::sqlite_io_error_persist 1 | |
| 67 set ::sqlite_io_error_pending $iFail | |
| 68 do_test tkt2565-1.$iFail.2 { | |
| 69 set rc [catchsql {COMMIT}] | |
| 70 list | |
| 71 } {} | |
| 72 set ::sqlite_io_error_persist 0 | |
| 73 set ::sqlite_io_error_pending 0 | |
| 74 if {!$::sqlite_io_error_hit} break | |
| 75 set ::sqlite_io_error_hit 0 | |
| 76 } | |
| 77 | |
| 78 # Make sure this test script doesn't leave any files open. | |
| 79 # | |
| 80 do_test tkt2565-1.X { | |
| 81 catch { db close } | |
| 82 set sqlite_open_file_count | |
| 83 } 0 | |
| 84 | |
| 85 # Restore the pcache configuration for subsequent tests. | |
| 86 # | |
| 87 sqlite3_shutdown | |
| 88 sqlite3_config_alt_pcache 0 | |
| 89 sqlite3_initialize | |
| 90 autoinstall_test_functions | |
| 91 | |
| 92 finish_test | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
