gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/tkt35xx.test (about)

     1  # 2008 November 20
     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  # When a transaction rolls back, make sure that dirty pages in the
    14  # page cache which are not in the rollback journal are reinitialized
    15  # in the btree layer.
    16  #
    17  # $Id: tkt35xx.test,v 1.4 2009/06/05 17:09:12 drh Exp $
    18  
    19  set testdir [file dirname $argv0]
    20  source $testdir/tester.tcl
    21  
    22  do_test tkt35xx-1.1 {
    23    execsql {
    24      PRAGMA auto_vacuum = 0;
    25      PRAGMA page_size = 1024;
    26    }
    27  } {}
    28  
    29  # Trigger the problem using explicit rollback.
    30  #
    31  do_test tkt35xx-1.1 {
    32    execsql {
    33      PRAGMA auto_vacuum = 0;
    34      CREATE TABLE t1(a,b,c);
    35      CREATE INDEX i1 ON t1(c);
    36      INSERT INTO t1 VALUES(0, 0, zeroblob(676));
    37      INSERT INTO t1 VALUES(1, 1, zeroblob(676));
    38      DELETE FROM t1;
    39      BEGIN;
    40      INSERT INTO t1 VALUES(0, 0, zeroblob(676));
    41      INSERT INTO t1 VALUES(1, 1, zeroblob(676));
    42      ROLLBACK;
    43      INSERT INTO t1 VALUES(0, 0, zeroblob(676));
    44    }
    45    execsql {
    46      INSERT INTO t1 VALUES(1, 1, zeroblob(676));
    47    }
    48  } {}
    49  
    50  # Trigger the problem using statement rollback.
    51  #
    52  db close
    53  delete_file test.db
    54  sqlite3 db test.db
    55  set big [string repeat abcdefghij 22]    ;# 220 byte string
    56  do_test tkt35xx-1.2.1 {
    57    execsql {
    58      PRAGMA auto_vacuum = 0;
    59      PRAGMA page_size = 1024;
    60      CREATE TABLE t3(a INTEGER PRIMARY KEY, b);
    61      INSERT INTO t3 VALUES(1, $big);
    62      INSERT INTO t3 VALUES(2, $big);
    63      INSERT INTO t3 VALUES(3, $big);
    64      INSERT INTO t3 VALUES(4, $big);
    65      CREATE TABLE t4(c, d);
    66      INSERT INTO t4 VALUES(5, $big);
    67      INSERT INTO t4 VALUES(1, $big);
    68    }
    69  } {}
    70  do_test tkt35xx-1.2.2 {
    71    catchsql {
    72      BEGIN;
    73      CREATE TABLE t5(e PRIMARY KEY, f);
    74      DROP TABLE t5;
    75      INSERT INTO t3(a, b) SELECT c, d FROM t4;
    76    }
    77  } {1 {UNIQUE constraint failed: t3.a}}
    78  do_test tkt35xx-1.2.3 {
    79    # Show that the transaction has not been rolled back.
    80    catchsql BEGIN
    81  } {1 {cannot start a transaction within a transaction}}
    82  do_test tkt35xx-1.2.4 {
    83    execsql { SELECT count(*) FROM t3 }
    84  } {4}
    85  do_test tkt35xx-1.2.5 {
    86    # Before the bug was fixed, if SQLITE_DEBUG was defined an assert()
    87    # would fail during the following INSERT statement. If SQLITE_DEBUG
    88    # was not defined, then the statement would pass and the transaction
    89    # would be committed. But, the "SELECT count(*)" in tkt35xx-1.2.6 would
    90    # return 1, not 5. Data magically disappeared!
    91    #
    92    execsql { 
    93      INSERT INTO t3 VALUES(5, $big);
    94      COMMIT;
    95    }
    96  } {}
    97  do_test tkt35xx-1.2.6 {
    98    execsql { SELECT count(*) FROM t3 }
    99  } {5}
   100  integrity_check tkt35xx-1.2.7
   101  
   102  finish_test