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Annotation of embedaddon/sqlite3/test/tkt35xx.test, revision 1.1.1.1

1.1       misho       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 {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