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sqlite3

    1: # 2010 June 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: #
   12: # The tests in this file test the pager modules response to various
   13: # fault conditions (OOM, IO error, disk full etc.). They are similar
   14: # to those in file pagerfault1.test. 
   15: #
   16: # More specifically, the tests in this file are those deemed too slow to 
   17: # run as part of pagerfault1.test.
   18: #
   19: 
   20: set testdir [file dirname $argv0]
   21: source $testdir/tester.tcl
   22: source $testdir/lock_common.tcl
   23: source $testdir/malloc_common.tcl
   24: 
   25: if {[permutation] == "inmemory_journal"} {
   26:   finish_test
   27:   return
   28: }
   29: 
   30: sqlite3_memdebug_vfs_oom_test 0
   31: 
   32: set a_string_counter 1
   33: proc a_string {n} {
   34:   global a_string_counter
   35:   incr a_string_counter
   36:   string range [string repeat "${a_string_counter}." $n] 1 $n
   37: }
   38: db func a_string a_string
   39: 
   40: do_test pagerfault2-1-pre1 {
   41:   faultsim_delete_and_reopen
   42:   db func a_string a_string
   43:   execsql {
   44:     PRAGMA auto_vacuum = 0;
   45:     PRAGMA journal_mode = DELETE;
   46:     PRAGMA page_size = 1024;
   47:     CREATE TABLE t1(a, b);
   48:     INSERT INTO t1 VALUES(a_string(401), a_string(402));
   49:   }
   50:   for {set ii 0} {$ii < 13} {incr ii} {
   51:     execsql { INSERT INTO t1 SELECT a_string(401), a_string(402) FROM t1 }
   52:   }
   53:   faultsim_save_and_close
   54:   file size test.db
   55: } [expr 1024 * 8268]
   56: 
   57: do_faultsim_test pagerfault2-1 -faults oom-transient -prep {
   58:   faultsim_restore_and_reopen
   59:   sqlite3_db_config_lookaside db 0 256 4096
   60:   execsql { 
   61:     BEGIN;
   62:       SELECT * FROM t1;
   63:       INSERT INTO t1 VALUES(5, 6);
   64:       SAVEPOINT abc;
   65:         UPDATE t1 SET a = a||'x' WHERE rowid<3700;
   66:   }
   67: } -body {
   68:   execsql { UPDATE t1 SET a = a||'x' WHERE rowid>=3700 AND rowid<=4200 }
   69:   execsql { ROLLBACK TO abc }
   70: } -test {
   71:   faultsim_test_result {0 {}}
   72: }
   73: 
   74: do_test pagerfault2-2-pre1 {
   75:   faultsim_restore_and_reopen
   76:   execsql { DELETE FROM t1 }
   77:   faultsim_save_and_close
   78: } {}
   79: 
   80: do_faultsim_test pagerfault2-2 -faults oom-transient -prep {
   81:   faultsim_restore_and_reopen
   82:   sqlite3_db_config_lookaside db 0 256 4096
   83:   db func a_string a_string
   84: 
   85:   execsql { 
   86:     PRAGMA cache_size = 20;
   87:     BEGIN;
   88:       INSERT INTO t1 VALUES(a_string(401), a_string(402));
   89:       SAVEPOINT abc;
   90:   }
   91: } -body {
   92:   execsql { INSERT INTO t1 VALUES (a_string(2000000), a_string(2500000)) }
   93: } -test {
   94:   faultsim_test_result {0 {}}
   95: }
   96: 
   97: sqlite3_memdebug_vfs_oom_test 1
   98: finish_test
   99: