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diff --git a/ext/rbu/rbufts.test b/ext/rbu/rbufts.test
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+# 2014 August 30
+#
+# 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 contains tests for the RBU module. More specifically, it
+# contains tests to ensure that RBU works with FTS tables.
+#
+
+if {![info exists testdir]} {
+  set testdir [file join [file dirname [info script]] .. .. test]
+}
+source $testdir/tester.tcl
+set ::testprefix rbufts
+
+ifcapable !fts3 {
+  finish_test
+  return
+}
+
+proc step_rbu {target rbu} {
+  while 1 {
+    sqlite3rbu rbu $target $rbu
+    set rc [rbu step]
+    rbu close
+    if {$rc != "SQLITE_OK"} break
+  }
+  set rc
+}
+
+proc apply_rbu_update {target sql} {
+  forcedelete rbu.db
+  sqlite3 dbrbu rbu.db
+  execsql $sql dbrbu
+  dbrbu close
+
+  step_rbu $target rbu.db
+}
+
+do_execsql_test 1.1.0 {
+  CREATE TABLE t1(i INTEGER PRIMARY KEY, a, b);
+  CREATE VIRTUAL TABLE xx USING fts4(content=t1, a, b);
+  INSERT INTO t1(rowid, a, b) VALUES(10, 'a b c', 'c b a');
+  INSERT INTO t1(rowid, a, b) VALUES(20, 'a b c', 'd e f');
+  INSERT INTO t1(rowid, a, b) VALUES(30, 'd e f', 'a b c');
+  INSERT INTO t1(rowid, a, b) VALUES(40, 'd e f', 'd e f');
+}
+
+do_execsql_test 1.1.1 {
+  INSERT INTO xx(xx) VALUES('rebuild');
+  INSERT INTO xx(xx) VALUES('integrity-check');
+}
+
+do_test 1.1.2 {
+  apply_rbu_update test.db {
+    CREATE TABLE data_t1(i, a, b, rbu_control);
+    INSERT INTO data_t1 VALUES(20, NULL, NULL, 1);        -- delete
+    INSERT INTO data_t1 VALUES(30, 'x y z', NULL, '.x.'); -- update
+    INSERT INTO data_t1 VALUES(50, '1 2 3', 'x y z', 0);  -- insert
+
+    CREATE VIEW data0_xx AS 
+    SELECT i AS rbu_rowid, a, b, 
+    CASE WHEN rbu_control IN (0, 1) 
+    THEN rbu_control ELSE substr(rbu_control, 2) END AS rbu_control
+    FROM data_t1;
+  }
+} {SQLITE_DONE}
+
+do_execsql_test 1.1.3 {
+  INSERT INTO xx(xx) VALUES('integrity-check');
+}
+
+reset_db
+do_execsql_test 1.2.1 {
+  CREATE TABLE ccc(addr, text);
+  CREATE VIRTUAL TABLE ccc_fts USING fts4(addr, text, content=ccc);
+  INSERT INTO ccc VALUES('a b c', 'd e f');
+  INSERT INTO ccc VALUES('a b c', 'd e f');
+  INSERT INTO ccc_fts(ccc_fts) VALUES('rebuild');
+  INSERT INTO ccc_fts(ccc_fts) VALUES('integrity-check');
+}
+
+do_test 1.2.2 {
+  apply_rbu_update test.db {
+    CREATE TABLE data_ccc(addr, text, rbu_rowid, rbu_control);
+    CREATE VIEW data0_ccc_fts AS SELECT * FROM data_ccc;
+    INSERT INTO data_ccc VALUES(NULL, NULL, 1, 1);
+    INSERT INTO data_ccc VALUES('x y z', NULL, 2, 'x.');
+    INSERT INTO data_ccc VALUES('y y y', '1 1 1', 3, 0);
+  }
+} {SQLITE_DONE}
+
+do_execsql_test 1.2.3 {
+  INSERT INTO ccc_fts(ccc_fts) VALUES('integrity-check');
+}
+do_execsql_test 1.2.4 {
+  SELECT rowid, * FROM ccc_fts;
+} {2 {x y z} {d e f} 3 {y y y} {1 1 1}}
+
+#-------------------------------------------------------------------------
+# Test the outcome of attempting to delete or update a row within a 
+# contentless FTS table using RBU. An error.
+#
+reset_db
+do_execsql_test 3.1 {
+  CREATE VIRTUAL TABLE ft USING fts4(x, content=);
+  INSERT INTO ft(rowid, x) VALUES(1, '1 2 3');
+  INSERT INTO ft(rowid, x) VALUES(2, '4 5 6');
+}
+
+do_test 3.2 {
+  list [catch { apply_rbu_update test.db {
+    CREATE TABLE data_ft(x, rbu_rowid, rbu_control);
+    INSERT INTO data_ft VALUES(NULL, 2, 1);
+  } } msg] $msg]
+} {1 {SQLITE_ERROR - SQL logic error]}}
+
+do_test 3.3 {
+  list [catch { apply_rbu_update test.db {
+    CREATE TABLE data_ft(x, rbu_rowid, rbu_control);
+    INSERT INTO data_ft VALUES('7 8 9', 1, 'x');
+  } } msg] $msg]
+} {1 {SQLITE_ERROR - SQL logic error]}}
+
+
+
+finish_test