1# 2005 August 18 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# This file implements tests to increase coverage of trigger.c. 14# 15# $Id: trigger7.test,v 1.3 2008/08/11 18:44:58 drh Exp $ 16 17set testdir [file dirname $argv0] 18source $testdir/tester.tcl 19ifcapable {!trigger} { 20 finish_test 21 return 22} 23 24# Error messages resulting from qualified trigger names. 25# 26do_test trigger7-1.1 { 27 execsql { 28 CREATE TABLE t1(x, y); 29 } 30 catchsql { 31 CREATE TEMP TRIGGER main.r1 AFTER INSERT ON t1 BEGIN 32 SELECT 'no nothing'; 33 END 34 } 35} {1 {temporary trigger may not have qualified name}} 36do_test trigger7-1.2 { 37 catchsql { 38 CREATE TRIGGER not_a_db.r1 AFTER INSERT ON t1 BEGIN 39 SELECT 'no nothing'; 40 END 41 } 42} {1 {unknown database not_a_db}} 43 44 45# When the UPDATE OF syntax is used, no code is generated for triggers 46# that do not match the update columns. 47# 48ifcapable explain { 49 do_test trigger7-2.1 { 50 execsql { 51 CREATE TRIGGER r1 AFTER UPDATE OF x ON t1 BEGIN 52 SELECT '___update_t1.x___'; 53 END; 54 CREATE TRIGGER r2 AFTER UPDATE OF y ON t1 BEGIN 55 SELECT '___update_t1.y___'; 56 END; 57 } 58 set txt [db eval {EXPLAIN UPDATE t1 SET x=5}] 59 string match *___update_t1.x___* $txt 60 } 1 61 do_test trigger7-2.2 { 62 set txt [db eval {EXPLAIN UPDATE t1 SET x=5}] 63 string match *___update_t1.y___* $txt 64 } 0 65 do_test trigger7-2.3 { 66 set txt [db eval {EXPLAIN UPDATE t1 SET y=5}] 67 string match *___update_t1.x___* $txt 68 } 0 69 do_test trigger7-2.4 { 70 set txt [db eval {EXPLAIN UPDATE t1 SET y=5}] 71 string match *___update_t1.y___* $txt 72 } 1 73 do_test trigger7-2.5 { 74 set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}] 75 string match *___update_t1.x___* $txt 76 } 0 77 do_test trigger7-2.6 { 78 set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}] 79 string match *___update_t1.x___* $txt 80 } 0 81} 82 83# Test the ability to create many triggers on the same table, then 84# selectively drop those triggers. 85# 86do_test trigger7-3.1 { 87 execsql { 88 CREATE TABLE t2(x,y,z); 89 CREATE TRIGGER t2r1 AFTER INSERT ON t2 BEGIN SELECT 1; END; 90 CREATE TRIGGER t2r2 BEFORE INSERT ON t2 BEGIN SELECT 1; END; 91 CREATE TRIGGER t2r3 AFTER UPDATE ON t2 BEGIN SELECT 1; END; 92 CREATE TRIGGER t2r4 BEFORE UPDATE ON t2 BEGIN SELECT 1; END; 93 CREATE TRIGGER t2r5 AFTER DELETE ON t2 BEGIN SELECT 1; END; 94 CREATE TRIGGER t2r6 BEFORE DELETE ON t2 BEGIN SELECT 1; END; 95 CREATE TRIGGER t2r7 AFTER INSERT ON t2 BEGIN SELECT 1; END; 96 CREATE TRIGGER t2r8 BEFORE INSERT ON t2 BEGIN SELECT 1; END; 97 CREATE TRIGGER t2r9 AFTER UPDATE ON t2 BEGIN SELECT 1; END; 98 CREATE TRIGGER t2r10 BEFORE UPDATE ON t2 BEGIN SELECT 1; END; 99 CREATE TRIGGER t2r11 AFTER DELETE ON t2 BEGIN SELECT 1; END; 100 CREATE TRIGGER t2r12 BEFORE DELETE ON t2 BEGIN SELECT 1; END; 101 DROP TRIGGER t2r6; 102 } 103} {} 104 105# This test corrupts the database file so it must be the last test 106# in the series. 107# 108do_test trigger7-99.1 { 109 sqlite3_db_config db DEFENSIVE 0 110 execsql { 111 PRAGMA writable_schema=on; 112 UPDATE sqlite_master SET sql='nonsense'; 113 } 114 db close 115 catch { sqlite3 db test.db } 116 catchsql { DROP TRIGGER t2r5 } 117} {/1 {malformed database schema .*}/} 118 119finish_test 120