1 files changed, 36 insertions, 0 deletions
diff --git a/test/unionallfault.test b/test/unionallfault.test
new file mode 100644
index 0000000..c78abe5
--- /dev/null
+++ b/test/unionallfault.test
@@ -0,0 +1,36 @@
+# 2020-12-16
+#
+# 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 unionallfault
+
+do_execsql_test 1.0 {
+  CREATE TABLE t1(x,y,z);
+  CREATE TABLE t3(x,y,z);
+}
+faultsim_save_and_close
+
+
+do_faultsim_test 1 -faults oom-t* -prep {
+  faultsim_restore_and_reopen
+} -body {
+  execsql {
+    SELECT * FROM t1, (
+      SELECT x FROM t1 UNION ALL SELECT y FROM t1
+    ), t3
+  }
+} -test {
+  faultsim_test_result {0 {}}
+}
+
+finish_test