From 7bb481fda9ecb134804b49c2ce77ca28f7eea583 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Fri, 30 Mar 2012 20:42:12 -0400
Subject: Imported Upstream version 2.0.3

---
 test/tkt2767.test | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 test/tkt2767.test

(limited to 'test/tkt2767.test')

diff --git a/test/tkt2767.test b/test/tkt2767.test
new file mode 100644
index 0000000..29b5201
--- /dev/null
+++ b/test/tkt2767.test
@@ -0,0 +1,90 @@
+# 2007 Oct 3
+#
+# 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 is to test that ticket #2767 has been fixed.
+# Ticket #2767 is for a VDBE stack overflow on BEFORE
+# triggers that run RAISE(IGNORE).
+#
+# $Id: tkt2767.test,v 1.3 2009/04/07 14:14:23 danielk1977 Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !trigger { finish_test ; return }
+
+do_test tkt2767-1.1 {
+  execsql {
+    -- Construct a table with many rows of data
+    CREATE TABLE t1(x);
+    INSERT INTO t1 VALUES(1);
+    INSERT INTO t1 VALUES(2);
+    INSERT INTO t1 SELECT x+2 FROM t1;
+    INSERT INTO t1 SELECT x+4 FROM t1;
+    INSERT INTO t1 SELECT x+8 FROM t1;
+    INSERT INTO t1 SELECT x+16 FROM t1;
+
+    -- BEFORE triggers that invoke raise(ignore).  The effect of
+    -- these triggers should be to make INSERTs, UPDATEs, and DELETEs
+    -- into no-ops.
+    CREATE TRIGGER r1 BEFORE UPDATE ON t1 BEGIN
+      SELECT raise(ignore);
+    END;
+    CREATE TRIGGER r2 BEFORE DELETE ON t1 BEGIN
+      SELECT raise(ignore);
+    END;
+    CREATE TRIGGER r3 BEFORE INSERT ON t1 BEGIN
+      SELECT raise(ignore);
+    END;
+
+    -- Verify the table content
+    SELECT count(*), sum(x) FROM t1;
+  }
+} {32 528}
+
+# Try to delete all elements of the table.  This will invoke the
+# DELETE trigger 32 times, which should overflow the VDBE stack if
+# the problem of #2767 is not fixed.  If the problem is fixed, all
+# the deletes should be no-ops so the table should remain unchanged.
+#
+do_test tkt2767-1.2 {
+  execsql {
+    DELETE FROM t1 WHERE x>0;
+    SELECT count(*), sum(x) FROM t1;
+  }
+} {32 528}
+
+# Try to update all elements of the table.  This will invoke the
+# UPDATE trigger 32 times, which should overflow the VDBE stack if
+# the problem of #2767 is not fixed.  If the problem is fixed, all
+# the updates should be no-ops so the table should remain unchanged.
+#
+do_test tkt2767-1.3 {
+  execsql {
+    UPDATE t1 SET x=x+1;
+    SELECT count(*), sum(x) FROM t1;
+  }
+} {32 528}
+
+# Invoke the insert trigger.  The insert trigger was working
+# even prior to the fix of #2767.  But it seems good to go ahead
+# and verify that it works.
+#
+do_test tkt2767-1.4 {
+  execsql {
+    INSERT INTO t1 SELECT x+32 FROM t1;
+    SELECT count(*), sum(x) FROM t1;
+  }
+} {32 528}
+
+
+
+finish_test
-- 
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