#

 # 2001 September 15

 #

 # The author disclaims copyright to this source code.  In place of

 # a legal notice, here is a blessing:

 #

 #    May you do good and not evil.

 #    May you find forgiveness for yourself and forgive others.

 #    May you share freely, never taking more than you give.

 #

 #***********************************************************************

 # This file implements regression tests for SQLite library.  The

 # focus of this script is collation sequences in concert with triggers.

 #

 # $Id: collate6.test,v 1.4 2007/07/30 14:40:48 danielk1977 Exp $

 set testdir [file dirname $argv0]

 source $testdir/tester.tcl

 # There are no tests in this file that will work without

 # trigger support.

 #

 ifcapable {!trigger} {

   finish_test

   return

 }

 # Create a case-insensitive collation type NOCASE for use in testing. 

 # Normally, capital letters are less than their lower-case counterparts.

 db collate NOCASE nocase_collate

 proc nocase_collate {a b} {

   return [string compare -nocase $a $b]

 }

 #

 # Tests are organized as follows:

 # collate6-1.* - triggers.

 #

 do_test collate6-1.0 {

   execsql {

     CREATE TABLE collate6log(a, b);

     CREATE TABLE collate6tab(a COLLATE NOCASE, b COLLATE BINARY);

   }

 } {}

 # Test that the default collation sequence applies to new.* references 

 # in WHEN clauses.

 do_test collate6-1.1 {

   execsql {

     CREATE TRIGGER collate6trig BEFORE INSERT ON collate6tab 

       WHEN new.a = 'a' BEGIN

         INSERT INTO collate6log VALUES(new.a, new.b);

     END;

   }

 } {}

 do_test collate6-1.2 {

   execsql {

     INSERT INTO collate6tab VALUES('a', 'b');

     SELECT * FROM collate6log;

   }

 } {a b}

 do_test collate6-1.3 {

   execsql {

     INSERT INTO collate6tab VALUES('A', 'B');

     SELECT * FROM collate6log;

   }

 } {a b A B}

 do_test collate6-1.4 {

   execsql {

     DROP TRIGGER collate6trig;

     DELETE FROM collate6log;

   } 

 } {}

 # Test that the default collation sequence applies to new.* references 

 # in the body of triggers.

 do_test collate6-1.5 {

   execsql {

     CREATE TRIGGER collate6trig BEFORE INSERT ON collate6tab BEGIN

       INSERT INTO collate6log VALUES(new.a='a', new.b='b');

     END;

   }

 } {}

 do_test collate6-1.6 {

   execsql {

     INSERT INTO collate6tab VALUES('a', 'b');

     SELECT * FROM collate6log;

   }

 } {1 1}

 do_test collate6-1.7 {

   execsql {

     INSERT INTO collate6tab VALUES('A', 'B');

     SELECT * FROM collate6log;

   }

 } {1 1 1 0}

 do_test collate6-1.8 {

   execsql {

     DROP TRIGGER collate6trig;

     DELETE FROM collate6log;

   } 

 } {}

 do_test collate6-1.9 {

   execsql {

     DROP TABLE collate6tab;

   }

 } {}

 # Test that an explicit collation sequence overrides an implicit 

 # one attached to a 'new' reference.

 #

 do_test collate6-2.1 {

   execsql {

     CREATE TABLE abc(a COLLATE binary, b, c);

     CREATE TABLE def(a, b, c);

     CREATE TRIGGER abc_t1 AFTER INSERT ON abc BEGIN

       INSERT INTO def SELECT * FROM abc WHERE a < new.a COLLATE nocase;

     END

   }

 } {}

 do_test collate6-2.2 {

   execsql {

     INSERT INTO abc VALUES('One', 'Two', 'Three');

     INSERT INTO abc VALUES('one', 'two', 'three');

     SELECT * FROM def;

   }

 } {}

 do_test collate6-2.3 {

   execsql {

     UPDATE abc SET a = 'four' WHERE a = 'one';

     CREATE TRIGGER abc_t2 AFTER UPDATE ON abc BEGIN

       INSERT INTO def SELECT * FROM abc WHERE a < new.a COLLATE nocase;

     END;

     SELECT * FROM def;

   }

 } {}

 # At one point the 6-3.2 (but not 6-3.1) was causing an assert() to fail.

 #

 do_test collate6-3.1 {

   execsql {

     SELECT 1 FROM sqlite_master WHERE name COLLATE nocase = 'hello';

   }

 } {}

 do_test collate6-3.2 {

   execsql {

     SELECT 1 FROM sqlite_master WHERE 'hello' = name COLLATE nocase;

   }

 } {}

 finish_test