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sqlite3

# 2008 October 27
#
# 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.
#
#***********************************************************************
#
# Test that the truncate optimization is disabled if the SQLITE_DELETE
# authorization callback returns SQLITE_IGNORE.
#
# $Id: auth3.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# disable this test if the SQLITE_OMIT_AUTHORIZATION macro is
# defined during compilation.
if {[catch {db auth {}} msg]} {
  finish_test
  return
}

# Disable the statement cache for these tests.
# 
db cache size 0

db authorizer ::auth
proc auth {code arg1 arg2 arg3 arg4} {
  if {$code=="SQLITE_DELETE"} {
    return $::authcode
  }
  return SQLITE_OK
}

#--------------------------------------------------------------------------
# The following tests - auth3-1.* - test that return values of SQLITE_DENY,
# SQLITE_IGNORE, SQLITE_OK and <invalid> are correctly handled when returned
# by an SQLITE_DELETE authorization callback triggered by a 
# "DELETE FROM <table-name>" statement.
#
do_test auth3-1.1 {
  execsql {
    CREATE TABLE t1(a,b,c);
    INSERT INTO t1 VALUES(1, 2, 3);
    INSERT INTO t1 VALUES(4, 5, 6);
  }
} {}
do_test auth3.1.2 {
  set ::authcode SQLITE_DENY
  catchsql { DELETE FROM t1 }
} {1 {not authorized}}
do_test auth3.1.3 {
  set ::authcode SQLITE_INVALID
  catchsql { DELETE FROM t1 }
} {1 {authorizer malfunction}}
do_test auth3.1.4 {
  execsql { SELECT * FROM t1 }
} {1 2 3 4 5 6}
do_test auth3-1.5 {
  set ::authcode SQLITE_IGNORE
  execsql { 
    DELETE FROM t1;
    SELECT * FROM t1;
  }
} {}
do_test auth3-1.6 {
  set ::authcode SQLITE_OK
  execsql {
    INSERT INTO t1 VALUES(1, 2, 3);
    INSERT INTO t1 VALUES(4, 5, 6);
    DELETE FROM t1;
    SELECT * FROM t1;
  }
} {}

#--------------------------------------------------------------------------
# These tests - auth3-2.* - test that returning SQLITE_IGNORE really does
# disable the truncate optimization.
#
do_test auth3-2.1 {
  set ::authcode SQLITE_OK
  execsql {
    INSERT INTO t1 VALUES(1, 2, 3);
    INSERT INTO t1 VALUES(4, 5, 6);
  }
  set sqlite_search_count 0
  execsql {
    DELETE FROM t1;
  }
  set sqlite_search_count
} {0}

do_test auth3-2.2 {
  set ::authcode SQLITE_IGNORE
  execsql {
    INSERT INTO t1 VALUES(1, 2, 3);
    INSERT INTO t1 VALUES(4, 5, 6);
  }
  set sqlite_search_count 0
  execsql {
    DELETE FROM t1;
  }
  set sqlite_search_count
} {1}

finish_test