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 file delete 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 103
