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+# 2011 October 18
+#
+# 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.
+#
+#***********************************************************************
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/malloc_common.tcl
+
+ifcapable !fts3 {
+ finish_test
+ return
+}
+
+set testprefix fts3first
+
+proc lreverse {L} {
+ set res [list]
+ for {set ii [expr [llength $L]-1]} {$ii>=0} {incr ii -1} {
+ lappend res [lindex $L $ii]
+ }
+ set res
+}
+
+proc mit {blob} {
+ set scan(littleEndian) i*
+ set scan(bigEndian) I*
+ binary scan $blob $scan($::tcl_platform(byteOrder)) r
+ return $r
+}
+db func mit mit
+
+do_execsql_test 1.0 {
+ CREATE VIRTUAL TABLE x1 USING FTS4(a, b, c);
+ INSERT INTO x1(docid,a,b,c) VALUES(0, 'K H D S T', 'V M N Y K', 'S Z N Q S');
+ INSERT INTO x1(docid,a,b,c) VALUES(1, 'K N J L W', 'S Z W J Q', 'D U W S E');
+ INSERT INTO x1(docid,a,b,c) VALUES(2, 'B P M O I', 'R P H W S', 'R J L L E');
+ INSERT INTO x1(docid,a,b,c) VALUES(3, 'U R Q M L', 'M J K A V', 'Q W J T J');
+ INSERT INTO x1(docid,a,b,c) VALUES(4, 'N J C Y N', 'R U D X V', 'B O U A Q');
+ INSERT INTO x1(docid,a,b,c) VALUES(5, 'Q L X L U', 'I F N X S', 'U Q A N Y');
+ INSERT INTO x1(docid,a,b,c) VALUES(6, 'M R G U T', 'U V I Q P', 'X Y D L S');
+ INSERT INTO x1(docid,a,b,c) VALUES(7, 'D Y P O I', 'X J P K R', 'V O T H V');
+ INSERT INTO x1(docid,a,b,c) VALUES(8, 'R Y D L R', 'U U E S J', 'N W L M R');
+ INSERT INTO x1(docid,a,b,c) VALUES(9, 'Z P F N P', 'W A X D U', 'V A E Q A');
+ INSERT INTO x1(docid,a,b,c) VALUES(10, 'Q I A Q M', 'N D K H C', 'A H T Q Z');
+ INSERT INTO x1(docid,a,b,c) VALUES(11, 'T E R Q B', 'C I B C B', 'F Z U W R');
+ INSERT INTO x1(docid,a,b,c) VALUES(12, 'E S V U W', 'T P F W H', 'A M D J Q');
+ INSERT INTO x1(docid,a,b,c) VALUES(13, 'X S B X Y', 'U D N D P', 'X Z Y G F');
+ INSERT INTO x1(docid,a,b,c) VALUES(14, 'K H A B L', 'S R C C Z', 'D W E H J');
+ INSERT INTO x1(docid,a,b,c) VALUES(15, 'C E U C C', 'W F M N M', 'T Z U X T');
+ INSERT INTO x1(docid,a,b,c) VALUES(16, 'Q G C G H', 'H N N B H', 'B Q I H Y');
+ INSERT INTO x1(docid,a,b,c) VALUES(17, 'Q T S K B', 'W B D Y N', 'V J P E C');
+ INSERT INTO x1(docid,a,b,c) VALUES(18, 'A J M O Q', 'L G Y Y A', 'G N M R N');
+ INSERT INTO x1(docid,a,b,c) VALUES(19, 'T R Y P Y', 'N V Y B X', 'L Z T N T');
+
+ CREATE VIRTUAL TABLE x2 USING FTS4(a, b, c, order=DESC);
+ INSERT INTO x2(docid, a, b, c) SELECT docid, a, b, c FROM x1;
+}
+
+
+# Test queries.
+#
+foreach x {1 2} {
+ foreach {tn match res} {
+ 1 "^K" {0 1 14}
+ 2 "^S" {0 1 14}
+ 3 "^W" {9 15 17}
+ 4 "^J" {}
+ 5 "^E" {12}
+ 6 "V ^-E" {0 3 4 6 7 9 17 19}
+ 7 "V -^E" {0 3 4 6 7 9 17 19}
+ 8 "^-E V" {0 3 4 6 7 9 17 19}
+ 9 "-^E V" {0 3 4 6 7 9 17 19}
+ 10 "V" {0 3 4 6 7 9 12 17 19}
+
+ 11 {"^K H"} {0 14}
+ 12 {"K H"} {0 10 14}
+ 13 {"K ^H"} {}
+ } {
+ set rev [lreverse $res]
+ do_execsql_test 1.$x.$tn.1 {SELECT docid FROM x1 WHERE x1 MATCH $match} $res
+ do_execsql_test 1.$x.$tn.2 {SELECT docid FROM x2 WHERE x2 MATCH $match} $rev
+ }
+
+ do_execsql_test 1.$x.[expr $tn+1] {
+ INSERT INTO x1(x1) VALUES('optimize');
+ INSERT INTO x2(x2) VALUES('optimize');
+ } {}
+}
+
+# Test the snippet() function.
+#
+foreach {tn match res} {
+ 1 {^K} {{[K] H D S T} {[K] N J L W} {[K] H A B L}}
+ 2 {^X} {{[X] Y D L S} {[X] J P K R} {[X] S B X Y}}
+ 3 {^X Y} {{[X] [Y] D L S} {D [Y] P O I...[X] J P K R} {[X] S B X [Y]}}
+} {
+ set rev [lreverse $res]
+
+ do_execsql_test 1.3.$tn.1 {
+ SELECT snippet(x1, '[', ']', '...') FROM x1 WHERE x1 MATCH $match
+ } $res
+
+ do_execsql_test 1.3.$tn.2 {
+ SELECT snippet(x2, '[', ']', '...') FROM x2 WHERE x2 MATCH $match
+ } $rev
+}
+
+# Test matchinfo().
+#
+foreach {tn match res} {
+ 1 {^K} {
+ {1 3 3 0 0 0 0 0 0}
+ {1 3 3 0 0 0 0 0 0}
+ {1 3 3 0 0 0 0 0 0}
+ }
+ 2 {^X} {
+ {0 1 1 0 1 1 1 2 2}
+ {0 1 1 1 1 1 0 2 2}
+ {1 1 1 0 1 1 1 2 2}
+ }
+ 3 {^X Y} {
+ {0 1 1 0 1 1 1 2 2 0 6 5 0 5 4 1 4 4}
+ {0 1 1 1 1 1 0 2 2 1 6 5 0 5 4 0 4 4}
+ {1 1 1 0 1 1 1 2 2 1 6 5 0 5 4 1 4 4}
+ }
+} {
+ set rev [lreverse $res]
+
+ do_execsql_test 1.3.$tn.1 {
+ SELECT mit(matchinfo(x1, 'x')) FROM x1 WHERE x1 MATCH $match
+ } $res
+ do_execsql_test 1.3.$tn.2 {
+ SELECT mit(matchinfo(x2, 'x')) FROM x2 WHERE x2 MATCH $match
+ } $rev
+}
+
+# Test that ^ is ignored for FTS3 tables.
+#
+do_execsql_test 2.1 {
+ CREATE VIRTUAL TABLE x3 USING fts3;
+ INSERT INTO x3 VALUES('A B C');
+ INSERT INTO x3 VALUES('B A C');
+
+ CREATE VIRTUAL TABLE x4 USING fts4;
+ INSERT INTO x4 VALUES('A B C');
+ INSERT INTO x4 VALUES('B A C');
+}
+
+do_execsql_test 2.2.1 {
+ SELECT * FROM x3 WHERE x3 MATCH '^A';
+} {{A B C} {B A C}}
+do_execsql_test 2.2.2 {
+ SELECT * FROM x4 WHERE x4 MATCH '^A';
+} {{A B C}}
+
+finish_test