Index: third_party/sqlite/sqlite-src-3070603/test/tkt2767.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/tkt2767.test b/third_party/sqlite/sqlite-src-3070603/test/tkt2767.test |
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+# 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 |