#

# 2007 May 7

#

# 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 the experimental sqlite3_create_collation_v2()

# API.

#

# $Id: collate7.test,v 1.2 2008/07/12 14:52:20 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

set ::caseless_del 0

proc caseless_cmp {zLeft zRight} {

  string compare -nocase $zLeft $zRight

}

do_test collate7-1.1 {

  set cmd [list incr ::caseless_del]

  sqlite3_create_collation_v2 db CASELESS caseless_cmp $cmd

  set ::caseless_del

} {0}

do_test collate7-1.2 {

  sqlite_delete_collation db CASELESS

  set ::caseless_del

} {1}

do_test collate7-1.3 {

  catchsql {

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

  }

} {1 {no such collation sequence: CASELESS}}

do_test collate7-1.4 {

  sqlite3_create_collation_v2 db CASELESS caseless_cmp {incr ::caseless_del}

  db close

  set ::caseless_del

} {2}

do_test collate7-2.1 {

  file delete -force test.db test.db-journal

  sqlite3 db test.db

  sqlite3_create_collation_v2 db CASELESS caseless_cmp {incr ::caseless_del}

  execsql {

    PRAGMA encoding='utf-16';

    CREATE TABLE abc16(a COLLATE CASELESS, b, c);

  } db

  set ::caseless_del

} {2}

do_test collate7-2.2 {

  execsql {

    SELECT * FROM abc16 WHERE a < 'abc';

  }

  set ::caseless_del

} {2}

do_test collate7-2.3 {

  sqlite_delete_collation db CASELESS

  set ::caseless_del

} {3}

do_test collate7-2.4 {

  catchsql {

    SELECT * FROM abc16 WHERE a < 'abc';

  }

} {1 {no such collation sequence: CASELESS}}

finish_test