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diff --git a/test/subjournal.test b/test/subjournal.test
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+# 2017 May 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.
+#
+#***********************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix subjournal
+
+do_execsql_test 1.0 {
+  PRAGMA temp_store = memory;
+  CREATE TABLE t1(a,b,c);
+  INSERT INTO t1 VALUES(1, 2, 3);
+} {}
+do_execsql_test 1.1 {
+  BEGIN;
+    INSERT INTO t1 VALUES(4, 5, 6);
+    SAVEPOINT one;
+      INSERT INTO t1 VALUES(7, 8, 9);
+    ROLLBACK TO one;
+    SELECT * FROM t1;
+} {1 2 3 4 5 6}
+do_execsql_test 1.2 {
+  COMMIT;
+}
+
+do_execsql_test 2.0 {
+  PRAGMA cache_size = 5;
+  CREATE TABLE t2(a BLOB);
+  CREATE INDEX i2 ON t2(a);
+  WITH s(i) AS (
+    SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100
+  ) INSERT INTO t2 SELECT randomblob(500) FROM s;
+}
+
+do_test 2.1 {
+  forcedelete test.db2
+  sqlite3 db2 test2.db
+  sqlite3_backup B db2 main db main
+  set nPage [db one {PRAGMA page_count}]
+  B step [expr $nPage-10]
+} {SQLITE_OK}
+
+do_execsql_test 2.2 {
+  BEGIN;
+    UPDATE t2 SET a=randomblob(499);
+    SAVEPOINT two;
+      UPDATE t2 SET a=randomblob(498);
+    ROLLBACK TO two;
+  COMMIT;
+  PRAGMA integrity_check;
+} {ok}
+
+do_test 2.3 {
+  B step 1000
+} {SQLITE_DONE}
+do_test 2.4 {
+  B finish
+  execsql { PRAGMA integrity_check } db2
+} {ok}
+
+finish_test