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