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Annotation of embedaddon/sqlite3/test/tkt2565.test, revision 1.1

1.1     ! misho       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