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diff --git a/ext/rbu/rbusave.test b/ext/rbu/rbusave.test
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+# 2015 August 14
+#
+# 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.
+#
+#***********************************************************************
+#
+
+source [file join [file dirname [info script]] rbu_common.tcl]
+if_no_rbu_support { finish_test ; return }
+set ::testprefix rbusave
+
+do_execsql_test 1.0 {
+  CREATE TABLE t1(a PRIMARY KEY, b, c) WITHOUT ROWID;
+  CREATE TABLE t2(a INTEGER PRIMARY KEY, b, c);
+  CREATE INDEX i1 ON t1(b);
+  CREATE INDEX i2 ON t2(c, b);
+
+  INSERT INTO t1 VALUES(1, 1, 1);
+  INSERT INTO t1 VALUES(2, 2, 2);
+  INSERT INTO t1 VALUES(3, 3, 3);
+
+  INSERT INTO t2 VALUES(1, 1, 1);
+  INSERT INTO t2 VALUES(2, 2, 2);
+  INSERT INTO t2 VALUES(3, 3, 3);
+}
+
+do_test 1.1 {
+  forcedelete test.db2
+  sqlite3 db2 test.db2
+  db2 eval {
+    CREATE TABLE data_t1(a, b, c, rbu_control);
+    INSERT INTO data_t1 VALUES(4, 4, 4, 0);
+    INSERT INTO data_t1 VALUES(2, NULL, NULL, 1);
+    INSERT INTO data_t1 VALUES(1, 'one', NULL, '.x.');
+
+    CREATE TABLE data_t2(a, b, c, rbu_control);
+    INSERT INTO data_t2 VALUES(4, 4, 4, 0);
+    INSERT INTO data_t2 VALUES(2, NULL, NULL, 1);
+    INSERT INTO data_t2 VALUES(1, 'one', NULL, '.x.');
+  }
+} {}
+
+proc test_to_bak {} {
+  foreach f {
+    test.db test.db-wal test.db-oal test.db-journal 
+    test.db2 test.db2-wal test.db2-oal test.db2-journal 
+  } {
+    set t [string map {test bak} $f]
+    forcedelete $t
+    if {[file exists $f]} { forcecopy $f $t }
+  }
+}
+
+do_test 1.2 {
+  test_to_bak
+  sqlite3rbu rrr bak.db bak.db2
+  set nStep 0
+  while {[rrr step]=="SQLITE_OK"} {incr nStep}
+  set res2 [rrr close]
+} {SQLITE_DONE}
+
+
+sqlite3rbu rbu test.db test.db2
+set res "SQLITE_OK"
+for {set i 1} {$res=="SQLITE_OK"} {incr i} {
+  set res [rbu step]
+
+  do_test 1.3.$i.1 {
+    rbu savestate
+    test_to_bak
+    sqlite3rbu rrr bak.db bak.db2
+    set nRem 0
+    while {[rrr step]=="SQLITE_OK"} {incr nRem}
+    set res2 [rrr close]
+  } {SQLITE_DONE}
+
+  do_test 1.3.$i.3 { expr $nRem+$i } [expr {$nStep + ($res=="SQLITE_DONE")}]
+
+  do_test 1.3.$i.3 {
+    sqlite3 bak bak.db
+    bak eval {
+      SELECT * FROM t1;
+      SELECT * FROM t2;
+    }
+  } {1 one 1 3 3 3 4 4 4 1 one 1 3 3 3 4 4 4}
+
+  bak close
+}
+
+do_test 1.4 { rbu close } {SQLITE_DONE}
+
+do_execsql_test 1.5 {
+  SELECT * FROM t1;
+  SELECT * FROM t2;
+} {1 one 1 3 3 3 4 4 4 1 one 1 3 3 3 4 4 4}
+
+finish_test