#

 # 2007 June 20

 #

 # 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 making sure collations pass through the

 # unary + operator.

 #

 # $Id: collate8.test,v 1.2 2008/08/25 12:14:09 drh Exp $

 set testdir [file dirname $argv0]

 source $testdir/tester.tcl

 do_test collate8-1.1 {

   execsql {

     CREATE TABLE t1(a TEXT COLLATE nocase);

     INSERT INTO t1 VALUES('aaa');

     INSERT INTO t1 VALUES('BBB');

     INSERT INTO t1 VALUES('ccc');

     INSERT INTO t1 VALUES('DDD');

     SELECT a FROM t1 ORDER BY a;

   }

 } {aaa BBB ccc DDD}

 do_test collate8-1.2 {

   execsql {

     SELECT rowid FROM t1 WHERE a<'ccc' ORDER BY 1

   }

 } {1 2}

 do_test collate8-1.3 {

   execsql {

     SELECT rowid FROM t1 WHERE a<'ccc' COLLATE binary ORDER BY 1

   }

 } {1 2 4}

 do_test collate8-1.4 {

   execsql {

     SELECT rowid FROM t1 WHERE +a<'ccc' ORDER BY 1

   }

 } {1 2}

 do_test collate8-1.5 {

   execsql {

     SELECT a FROM t1 ORDER BY +a

   }

 } {aaa BBB ccc DDD}

 do_test collate8-1.11 {

   execsql {

     SELECT a AS x FROM t1 ORDER BY "x";

   }

 } {aaa BBB ccc DDD}

 do_test collate8-1.12 {

   execsql {

     SELECT a AS x FROM t1 WHERE x<'ccc' ORDER BY 1

   }

 } {aaa BBB}

 do_test collate8-1.13 {

   execsql {

     SELECT a AS x FROM t1 WHERE x<'ccc' COLLATE binary ORDER BY [x]

   }

 } {aaa BBB DDD}

 do_test collate8-1.14 {

   execsql {

     SELECT a AS x FROM t1 WHERE +x<'ccc' ORDER BY 1

   }

 } {aaa BBB}

 do_test collate8-1.15 {

   execsql {

     SELECT a AS x FROM t1 ORDER BY +x

   }

 } {aaa BBB ccc DDD}

 # When a result-set column is aliased into a WHERE clause, make sure the

 # collating sequence logic works correctly.

 #

 do_test collate8-2.1 {

   execsql {

     CREATE TABLE t2(a);

     INSERT INTO t2 VALUES('abc');

     INSERT INTO t2 VALUES('ABC');

     SELECT a AS x FROM t2 WHERE x='abc';

   }

 } {abc}

 do_test collate8-2.2 {

   execsql {

     SELECT a AS x FROM t2 WHERE x='abc' COLLATE nocase;

   }

 } {abc ABC}

 do_test collate8-2.3 {

   execsql {

     SELECT a AS x FROM t2 WHERE (x COLLATE nocase)='abc';

   }

 } {abc ABC}

 do_test collate8-2.4 {

   execsql {

     SELECT a COLLATE nocase AS x FROM t2 WHERE x='abc';

   }

 } {abc ABC}

 do_test collate8-2.5 {

   execsql {

     SELECT a COLLATE nocase AS x FROM t2 WHERE (x COLLATE binary)='abc';

   }

 } {abc}

 do_test collate8-2.6 {

   execsql {

     SELECT a COLLATE nocase AS x FROM t2 WHERE x='abc' COLLATE binary;

   }

 } {abc ABC}

 do_test collate8-2.7 {

   execsql {

     SELECT * FROM t2 WHERE (a COLLATE nocase)='abc' COLLATE binary;

   }

 } {abc ABC}

 do_test collate8-2.8 {

   execsql {

     SELECT a COLLATE nocase AS x FROM t2 WHERE 'abc'=x COLLATE binary;

   }

 } {abc}

 finish_test