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+# 2008 October 6
+#
+# 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 file is testing fault-injection with the
+# LIMIT ... OFFSET ... clause of UPDATE and DELETE statements.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/malloc_common.tcl
+set testprefix wherelfault
+
+ifcapable !update_delete_limit {
+ finish_test
+ return
+}
+
+do_execsql_test 1.0 {
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES(1, 'f');
+ INSERT INTO t1 VALUES(2, 'e');
+ INSERT INTO t1 VALUES(3, 'd');
+ INSERT INTO t1 VALUES(4, 'c');
+ INSERT INTO t1 VALUES(5, 'b');
+ INSERT INTO t1 VALUES(6, 'a');
+
+ CREATE VIEW v1 AS SELECT a,b FROM t1;
+ CREATE TABLE log(op, a);
+
+ CREATE TRIGGER v1del INSTEAD OF DELETE ON v1 BEGIN
+ INSERT INTO log VALUES('delete', old.a);
+ END;
+
+ CREATE TRIGGER v1upd INSTEAD OF UPDATE ON v1 BEGIN
+ INSERT INTO log VALUES('update', old.a);
+ END;
+}
+
+faultsim_save_and_close
+do_faultsim_test 1.1 -prep {
+ faultsim_restore_and_reopen
+ db eval {SELECT * FROM sqlite_master}
+} -body {
+ execsql { DELETE FROM v1 ORDER BY a LIMIT 3; }
+} -test {
+ faultsim_test_result {0 {}}
+}
+
+do_faultsim_test 1.2 -prep {
+ faultsim_restore_and_reopen
+ db eval {SELECT * FROM sqlite_master}
+} -body {
+ execsql { UPDATE v1 SET b = 555 ORDER BY a LIMIT 3 }
+} -test {
+ faultsim_test_result {0 {}}
+}
+
+#-------------------------------------------------------------------------
+sqlite3 db test.db
+do_execsql_test 2.1.0 {
+ CREATE TABLE t2(a, b, c, PRIMARY KEY(a, b)) WITHOUT ROWID;
+}
+faultsim_save_and_close
+
+do_faultsim_test 2.1 -prep {
+ faultsim_restore_and_reopen
+ db eval {SELECT * FROM sqlite_master}
+} -body {
+ execsql { DELETE FROM t2 WHERE c=? ORDER BY a DESC LIMIT 10 }
+} -test {
+ faultsim_test_result {0 {}}
+}
+
+finish_test