gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/memjournal.test (about)

     1  # 2021 May 24
     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  # Tests focused on the in-memory journal.
    12  #
    13  
    14  set testdir [file dirname $argv0]
    15  source $testdir/tester.tcl
    16  source $testdir/malloc_common.tcl
    17  set testprefix memjournal
    18  
    19  
    20  do_execsql_test 1.0 {
    21    PRAGMA journal_mode = memory;
    22    CREATE TABLE t1(a);
    23  } {memory}
    24  
    25  set nRow [expr 1]
    26  
    27  do_execsql_test 1.1 {
    28    BEGIN;
    29      INSERT INTO t1 VALUES( randomblob(500) );
    30  } {}
    31  
    32  do_test 1.2 {
    33    for {set i 1} {$i <= 500} {incr i} {
    34      execsql {
    35        SAVEPOINT one;
    36        UPDATE t1 SET a=randomblob(500);
    37      }
    38      execsql { SAVEPOINT abc } 
    39      execsql { UPDATE t1 SET a=randomblob(500) WHERE rowid<=$i AND 0 }
    40      execsql { RELEASE abc }
    41    } 
    42  } {}
    43  
    44  do_execsql_test 1.3 {
    45    COMMIT;
    46  }
    47  
    48  finish_test