| Index: third_party/sqlite/src/test/tkt2767.test
|
| diff --git a/third_party/sqlite/src/test/tkt2767.test b/third_party/sqlite/src/test/tkt2767.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..29b520146d46d200f223afc99c8f43da6c390436
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/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;
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| + 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.
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| + CREATE TRIGGER r1 BEFORE UPDATE ON t1 BEGIN
|
| + SELECT raise(ignore);
|
| + END;
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| + 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;
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| + SELECT count(*), sum(x) FROM t1;
|
| + }
|
| +} {32 528}
|
| +
|
| +
|
| +
|
| +finish_test
|
|
|