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# 2006 September 9
#
# 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 testing the FTS3 module.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix fts3expr5
# If SQLITE_ENABLE_FTS3 is defined, omit this file.
ifcapable !fts3 {
finish_test
return
}
proc test_fts3expr {expr} {
db one {SELECT fts3_exprtest('simple', $expr, 'a', 'b', 'c')}
}
#-------------------------------------------------------------------------
# Various forms of empty phrase expressions.
#
do_execsql_test 1.0 {
CREATE VIRTUAL TABLE t0 USING fts3(x);
SELECT rowid FROM t0 WHERE x MATCH '';
} {}
do_execsql_test 1.1 {
SELECT rowid FROM t0 WHERE x MATCH '""';
} {}
do_execsql_test 1.2 {
SELECT rowid FROM t0 WHERE x MATCH '"" ""';
} {}
do_execsql_test 1.3 {
SELECT rowid FROM t0 WHERE x MATCH '"" OR ""';
} {}
do_execsql_test 1.4 {
SELECT rowid FROM t0 WHERE x MATCH '"" NOT ""';
} {}
do_execsql_test 1.5 {
SELECT rowid FROM t0 WHERE x MATCH '""""';
} {}
#-------------------------------------------------------------------------
# Various forms of empty phrase expressions.
#
set sqlite_fts3_enable_parentheses 1
do_test 2.0 {
test_fts3expr {(a:123)(b:234)()(c:456)}
} {AND {AND {PHRASE 0 0 123} {PHRASE 1 0 234}} {PHRASE 2 0 456}}
do_test 2.1 {
test_fts3expr {(a:123)(b:234)(c:456)}
} {AND {AND {PHRASE 0 0 123} {PHRASE 1 0 234}} {PHRASE 2 0 456}}
do_test 2.2 {
list [catch { test_fts3expr {"123" AND ( )} } msg] $msg
} {1 {Error parsing expression}}
finish_test
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