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sqlite3

    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 1.1.1.1 2012/02/21 17:04:16 misho 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 {PRIMARY KEY must be unique}}
   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