1 files changed, 60 insertions, 0 deletions
diff --git a/test/view3.test b/test/view3.test
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+# 2022 July 19
+#
+# 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 VIEW statements.
+#
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Omit this entire file if the library is not configured with views enabled.
+ifcapable !view {
+  finish_test
+  return
+}
+set testprefix view3
+
+# Ticket [d58ccbb3f1b]: Prevent Table.nRef overflow.
+db close
+sqlite3 db :memory:
+do_test 1.1 {
+  catchsql {
+    CREATE TABLE t1(x);
+    INSERT INTO t1 VALUES(5);
+    CREATE VIEW v1 AS SELECT x*2 FROM t1;
+    CREATE VIEW v2 AS SELECT * FROM v1 UNION SELECT * FROM v1;
+    CREATE VIEW v4 AS SELECT * FROM v2 UNION SELECT * FROM v2;
+    CREATE VIEW v8 AS SELECT * FROM v4 UNION SELECT * FROM v4;
+    CREATE VIEW v16 AS SELECT * FROM v8 UNION SELECT * FROM v8;
+    CREATE VIEW v32 AS SELECT * FROM v16 UNION SELECT * FROM v16;
+    CREATE VIEW v64 AS SELECT * FROM v32 UNION SELECT * FROM v32;
+    CREATE VIEW v128 AS SELECT * FROM v64 UNION SELECT * FROM v64;
+    CREATE VIEW v256 AS SELECT * FROM v128 UNION SELECT * FROM v128;
+    CREATE VIEW v512 AS SELECT * FROM v256 UNION SELECT * FROM v256;
+    CREATE VIEW v1024 AS SELECT * FROM v512 UNION SELECT * FROM v512;
+    CREATE VIEW v2048 AS SELECT * FROM v1024 UNION SELECT * FROM v1024;
+    CREATE VIEW v4096 AS SELECT * FROM v2048 UNION SELECT * FROM v2048;
+    CREATE VIEW v8192 AS SELECT * FROM v4096 UNION SELECT * FROM v4096;
+    CREATE VIEW v16384 AS SELECT * FROM v8192 UNION SELECT * FROM v8192;
+    CREATE VIEW v32768 AS SELECT * FROM v16384 UNION SELECT * FROM v16384;
+    SELECT * FROM v32768 UNION SELECT * FROM v32768;
+  }
+} {1 {too many references to "v1": max 65535}}
+ifcapable progress {
+  do_test 1.2 {
+    db progress 1000 {expr 1}
+    catchsql {
+      SELECT * FROM v32768;
+    }
+  } {1 interrupted}
+}
+
+
+finish_test