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Annotation of embedaddon/sqlite3/test/trigger6.test, revision 1.1

1.1     ! misho       1: # 2004 December 07
        !             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 make sure expression of an INSERT
        !            14: # and UPDATE statement are only evaluated once.  See ticket #980.
        !            15: # If an expression uses a function that has side-effects or which
        !            16: # is not deterministic (ex: random()) then we want to make sure
        !            17: # that the same evaluation occurs for the actual INSERT/UPDATE and
        !            18: # for the NEW.* fields of any triggers that fire.
        !            19: #
        !            20: # $Id: trigger6.test,v 1.2 2005/05/05 11:04:50 drh Exp $
        !            21: 
        !            22: set testdir [file dirname $argv0]
        !            23: source $testdir/tester.tcl
        !            24: ifcapable {!trigger} {
        !            25:   finish_test
        !            26:   return
        !            27: }
        !            28: 
        !            29: do_test trigger6-1.1 {
        !            30:   execsql {
        !            31:     CREATE TABLE t1(x, y);
        !            32:     CREATE TABLE log(a, b, c);
        !            33:     CREATE TRIGGER r1 BEFORE INSERT ON t1 BEGIN
        !            34:       INSERT INTO log VALUES(1, new.x, new.y);
        !            35:     END;
        !            36:     CREATE TRIGGER r2 BEFORE UPDATE ON t1 BEGIN
        !            37:       INSERT INTO log VALUES(2, new.x, new.y);
        !            38:     END;
        !            39:   }
        !            40:   set ::trigger6_cnt 0
        !            41:   proc trigger6_counter {args} {
        !            42:     incr ::trigger6_cnt
        !            43:     return $::trigger6_cnt
        !            44:   }
        !            45:   db function counter trigger6_counter
        !            46:   execsql {
        !            47:     INSERT INTO t1 VALUES(1,counter());
        !            48:     SELECT * FROM t1;
        !            49:   }
        !            50: } {1 1}
        !            51: do_test trigger6-1.2 {
        !            52:   execsql {
        !            53:     SELECT * FROM log;
        !            54:   }
        !            55: } {1 1 1}
        !            56: do_test trigger6-1.3 {
        !            57:   execsql {
        !            58:     DELETE FROM t1;
        !            59:     DELETE FROM log;
        !            60:     INSERT INTO t1 VALUES(2,counter(2,3)+4);
        !            61:     SELECT * FROM t1;
        !            62:   }
        !            63: } {2 6}
        !            64: do_test trigger6-1.4 {
        !            65:   execsql {
        !            66:     SELECT * FROM log;
        !            67:   }
        !            68: } {1 2 6}
        !            69: do_test trigger6-1.5 {
        !            70:   execsql {
        !            71:     DELETE FROM log;
        !            72:     UPDATE t1 SET y=counter(5);
        !            73:     SELECT * FROM t1;
        !            74:   }
        !            75: } {2 3}
        !            76: do_test trigger6-1.6 {
        !            77:   execsql {
        !            78:     SELECT * FROM log;
        !            79:   }
        !            80: } {2 2 3}
        !            81: 
        !            82: finish_test