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+# 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 testing the FTS2 module.
+#
+# $Id: fts2o.test,v 1.4 2007/07/02 10:16:50 danielk1977 Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# If SQLITE_ENABLE_FTS2 is not defined, omit this file.
+ifcapable !fts2 {
+  finish_test
+  return
+}
+
+#---------------------------------------------------------------------
+# These tests, fts2o-1.*, test that ticket #2429 is fixed.
+#
+db eval {
+  CREATE VIRTUAL TABLE t1 USING fts2(a, b, c);
+  INSERT INTO t1(a, b, c) VALUES('one three four', 'one four', 'one four two');
+}
+do_test fts2o-1.1 {
+  execsql {
+    SELECT rowid, snippet(t1) FROM t1 WHERE c MATCH 'four';
+  }
+} {1 {one <b>four</b> two}}
+do_test fts2o-1.2 {
+  execsql {
+    SELECT rowid, snippet(t1) FROM t1 WHERE b MATCH 'four';
+  }
+} {1 {one <b>four</b>}}
+do_test fts2o-1.3 {
+  execsql {
+    SELECT rowid, snippet(t1) FROM t1 WHERE a MATCH 'four';
+  }
+} {1 {one three <b>four</b>}}
+
+#---------------------------------------------------------------------
+# Test that it is possible to rename an fts2 table.
+#
+do_test fts2o-2.1 {
+  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
+} {t1 t1_content t1_segments t1_segdir}
+do_test fts2o-2.2 {
+  execsql { ALTER TABLE t1 RENAME to fts_t1; }
+} {}
+do_test fts2o-2.3 {
+  execsql { SELECT rowid, snippet(fts_t1) FROM fts_t1 WHERE a MATCH 'four'; }
+} {1 {one three <b>four</b>}}
+do_test fts2o-2.4 {
+  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
+} {fts_t1 fts_t1_content fts_t1_segments fts_t1_segdir}
+
+# See what happens when renaming the fts2 table fails.
+#
+do_test fts2o-2.5 {
+  catchsql {
+    CREATE TABLE t1_segdir(a, b, c);
+    ALTER TABLE fts_t1 RENAME to t1;
+  }
+} {1 {SQL logic error or missing database}}
+do_test fts2o-2.6 {
+  execsql { SELECT rowid, snippet(fts_t1) FROM fts_t1 WHERE a MATCH 'four'; }
+} {1 {one three <b>four</b>}}
+do_test fts2o-2.7 {
+  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
+} {fts_t1 fts_t1_content fts_t1_segments fts_t1_segdir t1_segdir}
+
+# See what happens when renaming the fts2 table fails inside a transaction.
+#
+do_test fts2o-2.8 {
+  execsql {
+    BEGIN;
+    INSERT INTO fts_t1(a, b, c) VALUES('one two three', 'one four', 'one two');
+  }
+} {}
+do_test fts2o-2.9 {
+  catchsql {
+    ALTER TABLE fts_t1 RENAME to t1;
+  }
+} {1 {SQL logic error or missing database}}
+do_test fts2o-2.10 {
+  execsql { SELECT rowid, snippet(fts_t1) FROM fts_t1 WHERE a MATCH 'four'; }
+} {1 {one three <b>four</b>}}
+do_test fts2o-2.11 {
+  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
+} {fts_t1 fts_t1_content fts_t1_segments fts_t1_segdir t1_segdir}
+do_test fts2o-2.12 {
+  execsql COMMIT
+  execsql {SELECT a FROM fts_t1}
+} {{one three four} {one two three}}
+do_test fts2o-2.12 {
+  execsql { SELECT a, b, c FROM fts_t1 WHERE c MATCH 'four'; }
+} {{one three four} {one four} {one four two}}
+
+#-------------------------------------------------------------------
+# Close, delete and reopen the database. The following test should 
+# be run on an initially empty db.
+#
+db close
+forcedelete test.db test.db-journal
+sqlite3 db test.db
+
+do_test fts2o-3.1 {
+  execsql {
+    CREATE VIRTUAL TABLE t1 USING fts2(a, b, c);
+    INSERT INTO t1(a, b, c) VALUES('one three four', 'one four', 'one two');
+    SELECT a, b, c FROM t1 WHERE c MATCH 'two';
+  }
+} {{one three four} {one four} {one two}}
+
+# This test was crashing at one point.
+#
+do_test fts2o-3.2 {
+  execsql {
+    SELECT a, b, c FROM t1 WHERE c MATCH 'two';
+    CREATE TABLE t3(a, b, c);
+    SELECT a, b, c FROM t1 WHERE  c  MATCH 'two';
+  }
+} {{one three four} {one four} {one two} {one three four} {one four} {one two}}
+
+#---------------------------------------------------------------------
+# Test that it is possible to rename an fts2 table in an attached 
+# database.
+#
+forcedelete test2.db test2.db-journal
+
+do_test fts2o-3.1 {
+  execsql {
+    ATTACH 'test2.db' AS aux;
+    CREATE VIRTUAL TABLE aux.t1 USING fts2(a, b, c);
+    INSERT INTO aux.t1(a, b, c) VALUES(
+      'neung song sahm', 'neung see', 'neung see song'
+    );
+  }
+} {}
+
+do_test fts2o-3.2 {
+  execsql { SELECT a, b, c FROM aux.t1 WHERE a MATCH 'song'; }
+} {{neung song sahm} {neung see} {neung see song}}
+
+do_test fts2o-3.3 {
+  execsql { SELECT a, b, c FROM t1 WHERE c MATCH 'two'; }
+} {{one three four} {one four} {one two}}
+
+do_test fts2o-3.4 {
+  execsql { ALTER TABLE aux.t1 RENAME TO t2 }
+} {}
+
+do_test fts2o-3.2 {
+  execsql { SELECT a, b, c FROM t2 WHERE a MATCH 'song'; }
+} {{neung song sahm} {neung see} {neung see song}}
+
+do_test fts2o-3.3 {
+  execsql { SELECT a, b, c FROM t1 WHERE c MATCH 'two'; }
+} {{one three four} {one four} {one two}}
+
+finish_test